Optical interaction at the boundary layer of Oil-Water-Saltwater

Kuldip Paudel, Saddam Husain Dhobi, Kushal Dahal, Rina Waiba, Kishori Yadav, Narayan K.C., Jeevan Jyoti Nakarmi – March 2022 Page No.: 01-06

The purpose optical properties (transmittance, absorbance, and reflectance) of solidified cubes of water, soybean oil, and saltwater, single and layer wise studies experimentally for water, soybean oil and saltwater. The transmittance properties decrease with an increase in wavelength however the absorbance and reflectance values increase with the increase in wavelength. The salt and water have a maximum transmittance value of 100 at the wavelength of 454.5nm and 553.2nm respectively. The authors found the absorbance deep values of oil, water, and saltwater are 0.166 a.u., 0.173 a.u., and 0.211 a.u. at the same wavelength of 634.6nm and Water- Soybean Oil-Saltwater, Soybean Oil- Water –Saltwater, and Saltwater-Water- Soybean oil are 0.218 a.u., 0.208 a.u., and 0.158 a.u. at the wavelength of 363nm. Whereas the reflectance deep values of oil, water, saltwater, Water- Soybean Oil-Saltwater, Soybean Oil- Water –Saltwater, and Saltwater-Water- Soybean oil are -7.981%, -7.925%, -7.695%, -7.679%, -7.735%, and -8.022% are to be found respectively at the same wavelength of 636nm. The result also shows the transmittance of saltwater and soybean oil are depend on transmittance of water which means water, saltwater and soybean oil a strong correlation in statistical term

Page(s): 01-06                                                                                                                   Date of Publication: 10 April 2022

 Kuldip Paudel
Department of Physics, St. Xavier’s College, Tribhuvan University, Kathmandu-44600, Nepal

 Saddam Husain Dhobi
Department of Physics, Patan Multiple Campus, Tribhuvan University, Lalitpur-44700, Nepal
Robotics Academy of Nepal, Lalitpur-44700, Nepal
Innovative Ghar Nepal, Lalitpur-44700, Nepal

 Kushal Dahal
Department of Physics, St. Xavier’s College, Tribhuvan University, Kathmandu-44600, Nepal

 Rina Waiba
Department of Physics, Patan Multiple Campus, Tribhuvan University, Lalitpur-44700, Nepal
Robotics Academy of Nepal, Lalitpur-44700, Nepal
Innovative Ghar Nepal, Lalitpur-44700, Nepal

 Kishori Yadav
Department of Physics, Patan Multiple Campus, Tribhuvan University, Lalitpur-44700, Nepal
Innovative Ghar Nepal, Lalitpur-44700, Nepal

 Narayan K.C.
Department of Physics, Patan Multiple Campus, Tribhuvan University, Lalitpur-44700, Nepal
Innovative Ghar Nepal, Lalitpur-44700, Nepal

 Jeevan Jyoti Nakarmi
Department of Physics, Patan Multiple Campus, Tribhuvan University, Lalitpur-44700, Nepal
Innovative Ghar Nepal, Lalitpur-44700, Nepal

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Kuldip Paudel, Saddam Husain Dhobi, Kushal Dahal, Rina Waiba, Kishori Yadav, Narayan K.C., Jeevan Jyoti Nakarmi “Optical interaction at the boundary layer of Oil-Water-Saltwater” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.01-06 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/01-06.pdf

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An Analysis of Fiscal Deficit and Inflation Dynamics in Nigeria

Eche Nwachukwu Austine, Pam Dung Felix, Haruna Ibrahim Babagana, and Ifeanyi Akadile Alexander- March 2022 Page No.: 07-13

The study examined the impact of fiscal policy on inflation in Nigeria, using Auto regressive distributed lag model (ARDL), for a period of 1981-2020. Secondary data was used in the study. The variables that were utilized in the study include inflation rate (INF), as the dependent variable; and a set of independent variables; government deficit financing (GDF), interest rate (INT) exchange rate (EXR) and gross domestic product (GDP). Stationarity test was carried out using augmented dickey-fuller test (ADF). The result showed a mix of integration of order 1(0) and 1(1) which lends credence to the adoption of ARDL model. More so, the cointegration test revealed the presence of long run relationship. As such, the result of the long-run ARDL cointegration revealed that GDF exert positive impact on INF. This however, suggests that, a percent increase in government deficit (GDF) will lead to an increase of about 2.77 percent in the rate of inflation. More so, EXR, and INT also exerts positive impact on INF in the long-run. Moreover, only GDP was found to exert negative impact on INF. In line with this finding, the study concluded that, fiscal deficit does not create inflation, but inflation causes the fiscal deficit, making it a one-way causation from inflation to the budget deficit. The study recommended that government should strike appropriate balance between recurrent expenditure and capital expenditure, that is, Fiscal deficit should not be geared towards recurrent expenditure to the detriment of capital expenditure which has the capacity to stimulate employment.

Page(s): 07-13                                                                                                                   Date of Publication: 14 April 2022

 Eche Nwachukwu Austine
Department of Economics, Air Force Institute of Technology, Kaduna, Nigeria

 Pam Dung Felix
Department of Economics, Air Force Institute of Technology, Kaduna, Nigeria

 Haruna Ibrahim Babagana
Department of Business Administration, Air Force Institute of Technology, Kaduna, Nigeria

 Ifeanyi Akadile Alexander
Department of Economics, Air Force Institute of Technology, Kaduna, Nigeria

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Eche Nwachukwu Austine, Pam Dung Felix, Haruna Ibrahim Babagana, and Ifeanyi Akadile Alexander “An Analysis of Fiscal Deficit and Inflation Dynamics in Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.07-13 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/07-13.pdf

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Evaluation of, Awareness and Accessibility of Anchor Borrowers’ Programme to Smallholder Rice Farmers in Jigawa State

Wasila A. Mahmud, Surayya Dahiru, Sanusi Adamu & Mahmud N. Usman- March 2022 Page No.: 14-20

Nigeria is the largest rice producing country in West Africa, but also the second largest importer of rice in the world. The current government policy initiatives aim at prioritizing the rice sector and decreasing dependence on import thereby fostering production and supplying agricultural inputs. Nigeria is faced with mounting food import bills for the staple crop that has been consuming huge chunks of foreign exchange, particularly in times of low crude oil revenues, the government, in 2015, created the Anchor Borrowers Programme (ABP), a micro-credit scheme for farmers of identified crops, including rice. Jigawa State is mainly an agrarian area, and is one of the major rice producing zones in the country. Three specific objectives guided the study. One null hypothesis was formulated and tested as 0.05 level of significance. Data for the study was collected through a researcher designed questionnaire. Result was analyzed using descriptive statistics of frequency, percentage, mean and standard deviation. Inferential statistic of binary logic regression was used to test the null hypothesis formulated. Result of the findings shows that there is high level of ABP awareness among smallholder rice farmers in the study area as well as high accessibility of farmers to the facilities provided. Government should give larger financial support to the programme and should be made available in all rice growing states of the federation was among recommendations made.

Page(s): 14-20                                                                                                                   Date of Publication: 14 April 2022

DOI : 10.51584/IJRIAS.2022.7301

 Wasila A. Mahmud
College of Agriculture, Hussaini Adamu Federal Polytechnic, Kazaure, Jigawa State, Nigeria

 Surayya Dahiru
College of Agriculture, Hussaini Adamu Federal Polytechnic, Kazaure, Jigawa State, Nigeria

 Sanusi Adamu
College of Agriculture, Hussaini Adamu Federal Polytechnic, Kazaure, Jigawa State, Nigeria

 Mahmud N. Usman
Dr. Mas’ud Adamu Library, Hussaini Adamu Federal Polytechnic, Kazaure, Jigawa State, Nigeria

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Wasila A. Mahmud, Surayya Dahiru, Sanusi Adamu & Mahmud N. Usman “Evaluation of, Awareness and Accessibility of Anchor Borrowers’ Programme to Smallholder Rice Farmers in Jigawa State” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.14-20 March 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7301

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Concentrations of Selected Heavy metals (Iron, Manganese, Cadmium, Lead, Chromium, and Nickel) in three fish species from Ase River at Kwale, Delta State, Nigeria

Okolo Azubuike Jeremiah, Ossai Embbey K., Emmanuel Ifeanyi V., Osuagwu Collins C., Usiakpebru, Austin E- March 2022 Page No.: 21-25

The consumption of fish worldwide has increased speedily in recent years particularly with the awareness of its nutritional and therapeutic benefits. In addition to being important source of protein, fish are enriched with essential minerals, vitamins, and unsaturated fatty acids. However, fish normally accumulate heavy metals from food, water bodies like rivers, lake, stream etc., and sediments and this is a good indicator of heavy metals contamination in water. Concentration of Heavy metal namely Fe, Mn, Cd, Pb, Cr and Ni were found in dominant fish species in Ase River at Kwale. The heavy metal was analyzed by Atomic Absorption Spectrophotometer (iCE 3400 AAS, Thermo Fisher Scientific, USA). It was observed that the relative abundance of the heavy metals was as follows Fe >Mn > Cd>Pb>Cr>Ni. The level of Fe, Mn, Cd, Pb and Cr are higher than WHO Limit for food. High concentration of the heavy metals calls for constant monitoring since the level were found to represent future risk to man who is the consumer. It was revealed that Clarias garepinus (African sharp tooth Catfish) and Channa channa (Snake head fish) accumulated more heavy metals than Tilapia mariae (Tilapia fish).

Page(s): 21-25                                                                                                                   Date of Publication: 16 April 2022

 Okolo Azubuike Jeremiah
Department of Pure and Industrial Chemistry, Chukwuemeka Odumegwu Ojukwu University Uli

 Ossai Embbey K.
Department of chemistry, Delta State University Abraka

 Emmanuel Ifeanyi V.
Department of Pure and Industrial Chemistry, Chukwuemeka Odumegwu Ojukwu University Uli

 Osuagwu Collins C.
Department of Chemical Engineering,Imo State Polytechnic,Umuagwo Ohaji.

 Usiakpebru, Austin E
Department of chemistry, Delta State University Abraka

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[22] Tsui MTK, Wang WV. Uptake and elimination routs of inorganic mercury and methyl mercury in Daphnia Manga. Environ. Sci. Tecno 2004; 38: 808 – 816.
[23] Ayanda IO, Ekhator UI, Bello OA. Determination of selected heavy metal and analysis of proximate composition in some fish species from Ogun River, Southern Nigeria. Heliyon 2019;5: 1-6.
[24] Baharom ZS, Ishak MY. Determination of heavy metal accumulation in fish species in Galas River, Kelantan and Beranang Mining pool Selangor, Procedia Environ. Journal Science 2015;30: 320 – 325.
[25] Rajeshkumar S, li X. Bioaccumulation of heavy metals in fish species from the meiliang Bay, Taihu lake, China, Toxicology Reports 2018; 5: 288 – 295.
[26] Ademoroti CMA, Standard methods for water and Effluents Analysis, Foludex Press ltd., Ibadan. 1996

Okolo Azubuike Jeremiah, Ossai Embbey K., Emmanuel Ifeanyi V., Osuagwu Collins C., Usiakpebru, Austin E “Concentrations of Selected Heavy metals (Iron, Manganese, Cadmium, Lead, Chromium, and Nickel) in three fish species from Ase River at Kwale, Delta State, Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.21-25 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/21-25.pdf

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An IoT-Based Home Automation and Weather Monitoring System

Alexander A. Willoughby, Ayodele O. Soge, Muiz A. Adeleke, Oluwaseyi A. Ilori- March 2022 Page No.: 26-29

This paper reports an IoT-based home automation and weather monitoring system developed for remote control of household appliances and weather monitoring. The proposed system comprises a Wi-Fi enabled ESP32 microcontroller as the network gateway, a relay module, and a DHT11 sensor for monitoring temperature and humidity. The status of the household devices and the weather data are continuously collected and stored in a MySQL database, which is set up on the IoT platform. A user interface was created using two different protocols – HyperText Transfer Protocol (HTTP) and Message Queuing Telemetry Transport (MQTT). The IoT-based home automation and weather monitoring system is designed to be low cost, user-friendly and can remotely control home appliances and monitor weather data over the internet.

Page(s): 26-29                                                                                                                   Date of Publication: 17 April 2022

DOI : 10.51584/IJRIAS.2022.7302

 Alexander A. Willoughby
Department of Physical Sciences, Faculty of Natural Sciences, Redeemer’s University, PMB 230, Ede, Osun State, Nigeria

 Ayodele O. Soge
Department of Physical Sciences, Faculty of Natural Sciences, Redeemer’s University, PMB 230, Ede, Osun State, Nigeria

 Muiz A. Adeleke
Department of Physical Sciences, Faculty of Natural Sciences, Redeemer’s University, PMB 230, Ede, Osun State, Nigeria

 Oluwaseyi A. Ilori
Department of Physical Sciences, Faculty of Natural Sciences, Redeemer’s University, PMB 230, Ede, Osun State, Nigeria

Rayes, A., & Salam, S. (2019). Internet of Things From Hype to Reality: The Road to Digitization (2nd ed.). Switzerland: Springer, Cham.
[2] Kodali, R. K., Jain, V., Bose, S., & Boppana, L. (2016). IoT based smart security and home automation system. international conference on computing, communication and automation (ICCCA) (pp. 1286-1289). IEEE.
[3] Balakrishnan, S., Madhurekha, B., Shobana, N., Selshiya, S. S., & Sathyabama, G. (2019). Home Automation System using ESP8266 based MQTT. International Journal of Research in Engineering, Science and Management, 2(2).
[4] Vinay Sagar, K. N., & Kusuma, S. M. (2015). Home automation using internet of things. International Research Journal of Engineering and Technology, 2(3), 1965-1970.
[5] Yar, H., Imran, A. S., Khan, Z. A., Sajjad, M., & Kastrati, Z. (2021). Towards smart home automation using IoT-enabled edge-computing paradigm. Sensors, 21(14), 4932.
[6] Maragatham, T., Balasubramanie, P., & Vivekanandhan, M. (2021). IoT Based Home Automation System using Raspberry Pi 4. IOP Conference Series: Materials Science and Engineering. 1055, p. 012081. IOP Publishing.
[7] Stolojescu-Crisan, C., Crisan, C., & Butunoi, B. P. (2021). An IoT-based smart home automation system. Sensors, 21(11), 3784.
[8] Sam, D. (2020). The Mighty MQTT! What You Should Know About It. https://news.rakwireless.com/the-mighty-mqtt-what-you-should-know-about-it/, Retrieved 24 September 2020.

Alexander A. Willoughby, Ayodele O. Soge, Muiz A. Adeleke, Oluwaseyi A. Ilori “An IoT-Based Home Automation and Weather Monitoring System” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.26-29 March 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7302

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Developing step frequency train waveform for improved range resolution of Target in radar system

UGWU K. I. C, Eke J., Abonyi D. O- March 2022 Page No.: 30-34

This paper presents the developed step frequency model for high range resolution of target in radar system. The idea behind this research is to improve the detection capability of radar systems through improved step frequency model. This was achieved by transmitting a long linear frequency modulated (LFM) signals in a step-wise pattern, in which the centre frequency of the narrow bandwidth pulses of the transmitted signals are changed step by step and, are synthesized at the receiver to give a time profile characteristics of the target in view. The work was implemented using Matlab and the result of the simulation was carefully analyzed using the Ambiguity function for waveform analysis. It was observed that this waveform model really improved the range or detection index by 98% accuracy

Page(s): 30-34                                                                                                                   Date of Publication: 26 April 2022

 UGWU K. I. C
Enugu State University Of Science and Technology (Esut), Enugu

 Eke J.
Enugu State University Of Science and Technology (Esut), Enugu

 Abonyi D. O
Enugu State University Of Science and Technology (Esut), Enugu

[1] Xu, L., & Liang, Q. (2010, December). Waveform Design and Optimization in Radar Sensor Network. Paper presented at the IEEE Global Telecommunications Conference GLOBECOM 2010, Miami, FL, USA. pp. 1-5
[2] Nguyen, N. H., & Doğançay, K. (2015, June). Optimal sensor placement for Doppler shift target localization. Paper presented at the IEEE Radar Conference, Arlington, VA, USA. pp. 1677-1682
[3] Skolnik, M. I.(2002) Introduction to Radar Systems. McGraw-Hill, New York.
[4] Fuhrmann-D. R., Browning-I. P., And Rangaswamy-M. (2009). Ambiguity function analysis for the hybrid MIMO phased-array radar, Proc. of the 2009 IEEE Radar Conference, Pasadena, CA pp1-6

UGWU K. I. C, Eke J., Abonyi D. O “Developing step frequency train waveform for improved range resolution of Target in radar system” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.30-34 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/30-34.pdf

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Response of Bambara Groundnut Vigna Subterranea L Verdc. Varieties to Plant Spacing in South Eastern Zone of Anambra State

Obidiebube E. A, Akparaobi S.O, Eruotor P. G., Okolie H., Obasi C. C, Iwuagwu C. C.- March 2022 Page No.: 35-38

A field experiment to study the effects of plant spacing (45x30cm, 35x30cm, 25x30cm and 15x30cm) on the growth and yields of Bambara groundnut varieties (EXMFI, EXMF4, IITA165 and ENZK1) was conducted in the School Farm of Ogbaru High School, Ogbakuba in Anambra State. The experiment was designed with split-plot in a randomized complete block design replicated three times. The main plots were assigned to Bambara groundnut varieties (EXMF1, EXMF4, IITA165 and ENZK2), while sub-plots were assigned to plant spacing (45x30cm, 35x30cm, 25x30cm and 15x30cm) with population densities of 7,407, 9,524, 13,333 and 22,222 plants/ha respectively. Results showed that the number of pods per plant, pod weight and grain yields of Bambara groundnut increased with decrease in plant spacing. Plants with spacing 45x30cm had the least yield of 2455 kg/ha, where as the best yield results were from plants spaced at 15x30cm with the mean value of 3939 kg/ha. Furthermore, variety EXMF4 had the highest yield of 3384 kg/ha but was not significantly different (P<0.05) from the other varieties. Then variety x spacing interaction effects was significant for some growth and yield parameters evaluated. Thus, variety EXMF4 should be recommended for planting at high density of 22,222 plants/ha or spacing of 15x30cm in this locality.

Page(s): 35-38                                                                                                                   Date of Publication: 26 April 2022

 Obidiebube E. A
Department of Crop Science and Horticulture, Faculty of Agriculture, Nnamdi Azikiwe University, Awka, Nigeria

 Akparaobi S.O
Department of Agronomy, Faculty of Agriculture, Delta State University, Asaba, Nigeria

 Eruotor P. G.
Department of Agronomy, Faculty of Agriculture, Delta State University, Asaba, Nigeria

 Okolie H.
Department of Crop Science and Horticulture, Faculty of Agriculture, Nnamdi Azikiwe University, Awka, Nigeria

 Obasi C. C
Department of Crop Science and Horticulture, Faculty of Agriculture, Nnamdi Azikiwe University, Awka, Nigeria

 Iwuagwu C. C.
Department of Crop Science and Horticulture, Faculty of Agriculture, Nnamdi Azikiwe University, Awka, Nigeria

[1] Akpalu, M. M. (2010) ‘Growth, yield and Nutritional quality of five Bambara Groundnut (Vigna subterrenea (L) Verde. Landraces to Different Plant Population Densities’ M.Sc Thesis of, Kwame Nkurumah University of Science and Technology Ghana. Pp 39-50. \
[2] Alhassan G. A., Kalu B. A., and Egbe O. M. (2012) ‘Influence of Planting Densities on the Performance of Intercropped Bambara Groundnut with Cowpea in Makurdi, Benue State Nigeria’, Internal Journal of Development and Sustainability. Available at – https://isdsnet.com/ijds-v1n3-17.pdf: 860-879.
[3] Asiwe, J.A.N and Kutu, R.F (2007) ‘Effect of Plant Spacing on Yield, Weeds, Insect Infestation and Leaf blight of Bambara Groundnut (Vigna subterranea (L.) Verde.)’, African Crop Science Conference Proceedings Egypt. 8: 1947 — 1950.
[4] Caroline de Kock (2003) ‘Bambara Groundnut Specialty Foods of Africa’ Pvt Ltd., Zimbabwe. 1 – 6.
[5] Ezenwaji, E. E.1, Orji, M. U, Enete, C.I and Otti, V. I. (2014) ‘The Effect Of Climate Change on the Communities of Ogbaru Wetland of South West Anambra State, Nigeria’, IOSR Journal of Engineering (IOSRJEN), March, Availabe at http://iosrjen.org/Papers/vol4_issue3%20(part-6)/K04366167.pd :61 – 67.
[6] Gunri S. K., Biswas T. Mandal G. S. Nath R. and Kundi C. K. (2010) ‘Effect of Spacing on Improved Cultivars of Summer Growing Groundnut (Arachis –hypogea L.) in Red and Laterite zone of West Bengal Kamata’, Journal of Agricultural Science, Available at https://www.cropandweed.com/vol4issue1/pdf2005/2.pdf 687 – 689.
[7] Ibrahim, S. E. (2012) ‘Agronomic Studies on Irrigated Soybeans in Central Sudan. 11 Effect of Sowing Date on Grain Yield and Yield Components’, International Journal of Agric Science Available at https://agris.fao.org/agris-search/search.do?recordID=DJ2012079309 766 -773.
[8] Kouassi, N. J. and Zorobi, L. A. (2011) ‘Evaluation of Agronomic Performance of Two Landraces of Bambara Groundnut (Vigna subterranea} in Woodland Savannah of Cote d; Ivoire’, African Journal of Agricultural Research. Available at https://academicjournals.org/journal/AJAR/article-abstract/B622DC537724 4852 – 4856.
[9] Malami, B. S and Samaila, M. (2012) ‘Effects of Inter and Intra Row Spacing on Growth. characteristics and fodder yield of cowpea (Vigna unguiculata (L) walp.Var. kanamado) in semi-Arid worth-western Nigeria’, Nigerian Journal of Basic and Applied Science, June, Available at file:///C:/Users/user/Downloads/81601-Article%20Text-194708-1-10-20120926.pdf 125 129.
[10] Massawe, F. Z., Azam – Ali, S. N. and Roberts, J. A. (2003) ‘The Impact on Leaf Appearance in Bambara Groundnut Landraces’, Crop Science. 43:1375 – 1379.
[11] Mkandiwire, F. L. and Sibuga, K. P. (2002) ‘Yield Response of Bambara Groundnut to Plant Population and Seedbed Type’, Africa Crop Science Journal 10: 39 – 49.
[12] Mwale, S. S, Azam-Ali, S.N and Massawe, F. J (2007), Growth and Development of Bambara Groundnut (Vigna subterranea} in Response to Soil Moisture. 1. Dry Matter and Yield. European Journal of Agronomy (2007) 26 (4): 345-353.
[13] Ntundu W.H, Dach, I.C, Christiansen J. I and Anderson, S.B. (2004) ‘Analysis of Genetic Density in Bambara Groundnut (Vigna subterranea (L) Verde) Landraces using mplified Fragment Length Polymorphism (AFLP) Markers’, Afr. J. Biotechnical (3): 220-225.
[14] Obidiebube E .A, Eruotor P .G, Akparaobi S .O. Achebe, U. A. (2019) ‘Effects of spacings on the growth and yield of Bambara groundnut (Vigna subterranea (l) verdc.) in Rainforest Zone of Delta State’, Global Journal of Agricultural Research, August, 7(3):9-13
[15] Omoikhoje, S.O. (2008) ‘Assessment of the Nutritional value of Bambara Groundnut as Influenced by Cooking Time’, Livestock Research for Rural Development 20 (4): 1-4.
[16] Shiyam, J. O. (2010) ‘Growth and Yield Response of Groundnut (Arachis hypogaea L.) to Plant Densities and Phosphorus on an Utisof in Southern Nigeria’, Libyan Agriculture Research Centre Journal International 1/(4): 211-214.
[17] SAS (Statistical Analysis System), (2010) ‘SAS/STAT Users Guide (1999)’ SAS Institute Inc. Cam. NC.
[18] Stephen, M. (2009) ‘Growth and yield performance of four Groundnut Varieties in Responses to Seed Size’, A Thesis of the Department of Crop and Soil Sciences, Kumasi Ghana. Pp 41-51.

Obidiebube E. A, Akparaobi S.O, Eruotor P. G., Okolie H., Obasi C. C, Iwuagwu C. C. “Response of Bambara Groundnut Vigna Subterranea L Verdc. Varieties to Plant Spacing in South Eastern Zone of Anambra State” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.35-38 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/35-38.pdf

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Corrosion Inhibition of Mild Steel by Anogeissus Leiocarpa Root Extract Using Hexane in Acidic Medium

Ibejekwe Sunday John, Prof. U.B. Eke, Sati Lubis, Apagu Ngamarju Thliza – March 2022 Page No.: 39-43

The menace caused by corrosion on mild steel and on the economy of any nation cannot be overlooked. If not checked will result in damning consequence. As a result there has been several researches tailored in this regard, controlling corrosion by using inorganic inhibitors. However, these inorganic inhibitors are not environmentally friendly. Organic inhibitors (of plant origin) appears to be good alternative due to the presence of phytochemicals and it’s readily available. One of such plants is the hexane root extract of Anogeiossus Leiocarpus (Africa birch). The method used is weight loss at 303k, 313k, 323k and 333k. The concentration of root extract used on mild steel are 0.7, 0.8, 0.9 and 1.0 grams. The results show the highest inhibition efficiency of 81 % for 1.0 g/l and 21 % for 0.7 g/l in 1M H2SO4 at 303k. This result implies that with increase of inhibitor, both surface coverage and inhibition efficiency increases but with decrease in corrosion rate. It was also observed that increase in temperature, there is reduction in inhibition efficiency. At 333k, IE % for 0.1 g/l is 51 % and 0.7 g/l is 13 %. For each temperature, it was also observed that with time increase, there is progressive decrease in weight loss and corrosion rate but increase in both surface coverage and IE %. The data derived from this research confirmed the fact that corrosion inhibition mechanism was affected by the root extracts

Page(s): 39-43                                                                                                                   Date of Publication: 29 April 2022

 Ibejekwe Sunday John
Federal College of Education Pankshin, Chemistry Department, PMB 1027, Pankshin Plateau State, Nigeria

 Prof. U.B. Eke
Federal University of Ilorin, Faculty of Physical Sciences, Chemistry Department, Ilorin Nigeria

 Sati Lubis
Federal College of Education Pankshin, Chemistry Department, PMB 1027, Pankshin Plateau State, Nigeria

 Apagu Ngamarju Thliza
Federal College of Education Pankshin, Chemistry Department, PMB 1027, Pankshin Plateau State, Nigeria

[1] Abdel Rehim, S. S.,El deeb, M., M., Sayyah, S. M. (2009). Corrosion of tin in citric acid solution and the effect of some inorganic anions. Mat. Chem. and Phy., 80(3), 696 – 703.
[2] Ahmad, M. A., Nabeel, A. J., Nuhu, D. M. and Rihan, O. (2014). Thermodynamics and Kinetics of inhibition of Aluminum in Hydrochloric Acid by Date Palm Leaf Extract. Journal of Applied Science and Environmental Management., 18(3), 543-551.
[3] Ameh, P. O., Eddy,N.O., Gambia, C. E. ( 2012). Physiochemical & rheological studies on some natural polymers & their potentials as corrosion inhibitors. Lambert Academic Publishing, UK, pp. 28 -34.
[4] Anuradha, K.,Vimala,R. Narayanasamy, B., Arokia selvi, J., Rajendran, S. (2008). Corrosion inhibition of Carbon steel in low chloride media by an Aqueous extract of Hibiscus Rose – Sinensis. Linn. Chem. Eng. Comm., 195: 352 – 366.
[5] Aouniti, A., Elmsellem, H., Tighadouini, S., Elazzouzi, M. and Radi, S. (2015). Schiff’s Base Derived from 2-acetyl thiophene as Corrosion Inhibitor of Mild Steel in Acidic Medium. Journal of Taibah University for Science, 10, 774-775.
[6] Ayuba, A., & Mustapha, A, (2013). Inhibitive and Synergistic Properties of Ethanolic Extract of Anogeissus Leiocarpus Leaves on the corrosion of Aluminum in HCl solution. Chem.Search Journal, 4, 55-56.
[7] Bothi Raja, P., Sethuraman, M.G.(2008). Natural products as corrosion inhibitor for metals in corrosive media – A Review. Mater Lett., 62: 113 – 116.
[8] Ebana, R. U.B., Madunagu, B. E. Etok, C.A. (1993). Anti- microbial effect of strophantus hipides Secamone afzeli on some pathogenic bacteria and their drug Research strain. Nigeria Journal of Botany, 6,27-31.
[9] Eddy, N. O., Odoemelam, S. A., Ama, I, N. (2010). Ethanol Extract of Ocimum Gratissimum as a corrosion inhibitor for the corrosion of mild steel in H2SO4. Green Chemistry letters and Reviews. 1-8.
[10] Eddy, N. O.,Paul, O.,A., Odey, D., Anduang, O. (2014). Adsorption and chemical studies on the inhibition of the corrosion Aluminium in hydrochloric acid by Commiphora africana gum. International journal of chemical, material & Environmental Research, 1(1): 16 -28.
[11] Eddy, N.O., Odoemelam, S. A., Ibiam E. ( 2009). Adsorption and inhibitive properties of ethanol extract of costus on the inhibition of the corrosion of aluminum in H2SO4. Journal of surface Sci. and Technol., 25( 3 – 4),1-14.
[12] Frank, K., and Goswarmi, D. Y. (2004).The Hand book of mechanical Engineering: 2nd edition. CRC Press.
[13] Loto, C. A., Loto, R. T., Popoola, A. P. I. (2011). Effect of neem leaf (Azadirachita indica) extract on the corrosion inhibition of mild steel in dilute acids. International Journal of the Physical sciences , vol. 6(9), pp.2249 – 2257.
[14] Mann, A. A. (2008). An antifungal property of crude plant extract from Anogeissus leiocarpus and Terminalia avicennioides. Tanzania Journal of Health Research, Vol. 10,No. 1, pp. 34-38.
[15] Nazeer, A. A. and Fouda, A. S. (2012). Adsorption and Corrosion Inhibition Behavior of Carbon Steel by Cefoperazone as Eco-friendly Inhibitor in HCl. Journal of Materials Engineering and Performance, 2314-2322.
[16] Niamien, P., Essy, F., Trokourey, A., Sissouma, D. and Diabate, D. (2011). Inhibition effects of 2-Mercaptobenzimidazole (MBI) and 2-Thiobenzylbenzimidazole (TBBI) on copper Corrosion in 1M Nitric Acid Solution. Arican Journal of Environmental Science and Technology, 5, 641-652.
[17] Okafor, P. C., Osabor, V.I., Ebenso, E. E. (2007). Eco-friendly corrosion inhibitors: Inhibitive action of ethanol extracts of Garcinia kola for the corrosion of mild steel in H2SO4 solutions. Pigment and Resin Technol., 36: 299 – 305.
[18] Selvarant, F. R., Santhamadharasai, S., Sahayaraji, W. J., Amalraj, J. A., Rajendran, S.(20004). Synergistic effect of succinic acid and Zn2+ in controlling Corrosion of Carbon steel. Bull. Electrochem., 20, 561 – 565.

Ibejekwe Sunday John, Prof. U.B. Eke, Sati Lubis, Apagu Ngamarju Thliza “Corrosion Inhibition of Mild Steel by Anogeissus Leiocarpa Root Extract Using Hexane in Acidic Medium” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.39-43 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/39-43.pdf

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Statistical Analysis of Diabetes Mellitus and Viral Hepatitis B and/or C among Asymptomatic Subjects in Taraba State Nigeria

Tomen Ezekiel Agu, Obed Tiwah John, Philips U. Aiyagbonrhule, Tomen Egbe Agu, Samson Ozulonye Ogbuagada, Nasiru Yakubu- March 2022 Page No.: 44-49

Hepatotropic viruses (HBV and HCV) and glucose metabolism disorder (Prediabetes Mellitus (Pre-DM) or Diabetes mellitus (DM)) are serious public health challenge. The triple are reported to be among the fastest growing diseases around the world. Little studies have been carried on the coinfections of these diseases. This study sought to determine the prevalence of hepatotropic viruses and glucose metabolism disorder and coinfections between the diseases.
Methods: This was a cross-sectional analysis performed among 138 randomly selected asymptomatic subjects in Taraba State using Cohcran’s formular for determining sample size. Descriptive statistics, Chi-square test of association were used with the help of Microsoft excel 2016, SPSS version 25 and Minitab version 17. Specimen collection and laboratory analysis were carried out inline with WHO guidelines by well trained and qualified laboratory staff of CFID.
Results: The overall prevalence of HBV, HCV and glucose metabolism disorder recorded in the study were 8.7%, 15.2% and 4.3%. However, 9.4% of the subjects screened were prediabetic, 0.7% of the subjects were coinfected with HBV and DM, 0.7% were also coinfected with HCV and DM. None of the subjects were coinfected with the triple infections (HBV+HCV+DM). No statistically significant association was observed between glucose metabolism disorder and hepatotropic viruses. The demographic variables tested (gender and age) were not significantly associated with glucose metabolism disorder. However, age was statistically associated with one of the hepatotropic viruses (HCV).
Conclusion: This study recorded high prevalence of hepatotropic viruses (HBV = 8.7% and HCV = 15.2%) and glucose metabolism disorder (Pre-DM = 9.7% and DM = 4.3%).
A bracket of 0.7% asymptomatic subjects were both coinfected with (HBV + DM) and (HCV+DM). None of the subjects had all the triple infections (HBV+HCV+DM) and no statistical association was observed between glucose metabolism disorder and hepatotropic viruses. Statistical association was observed between some demographic variables (age and HCV) but none of such association was observed between hepatotropic viruses and DM or demographic variables (Age and gender) and glucose metabolism disorder. Findings from this study indicates an immediate need for intervention due to the increase of the diseases (HBV,HCV and pre-DM).

Page(s): 44-49                                                                                                                   Date of Publication: 29 April 2022

 Tomen Ezekiel Agu
Department of Family Medicine, Dalhatu Araf Specialist Hospital, Lafia Nasarawa State, Nigeria

 Obed Tiwah John
Center for Initiative and Development Taraba, Nigeria
Department of Statistics and Operations Research, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria

 Philips U. Aiyagbonrhule
Department of Nursing Sciences, School of Nursing & Midwifery, Jalingo, Nigeria

 Tomen Egbe Agu
Department of Public Health, Taraba State University, Jalingo – Nigeria

 Samson Ozulonye Ogbuagada
Department of Statistics and Operations Research, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria
Federal University, Wukari, Taraba State, Nigeria

 Nasiru Yakubu
Department of Statistics and Operations Research, Modibbo Adama University of Technology, Yola, Adamawa State, Nigeria

[1] Ndako, JA., Owolabi, AO., Olisa, JA., Akinwumi, JA., Dojumo, VT., Olatinsu, O., and Adebayo, BA. Studies on the prevalence of Hepatitis C virus infection in diabetic patients attending a tertiary health-care facility South-west Nigeria. BMC Infectious Diseases (2020) 20:664 https://doi.org/10.1186/s12879-020-05388-7
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Tomen Ezekiel Agu, Obed Tiwah John, Philips U. Aiyagbonrhule, Tomen Egbe Agu, Samson Ozulonye Ogbuagada, Nasiru Yakubu “Statistical Analysis of Diabetes Mellitus and Viral Hepatitis B and/or C among Asymptomatic Subjects in Taraba State Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.44-49 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/44-49.pdf

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Assessment of Compliance Level of Public Schools to Covid-19 Guidelines for Safe School Re-Opening and Learning in Makurdi Metropolis, Benue State, Nigeria

Daniel Peverga Dam, Patricia Ali- March 2022 Page No.: 50-55

Covid-19 Pandemic has affected educational activities world over including public schools in Nigeria. In a bid to ensure adequate preparedness of schools and learning facilities for safe reopening and resumption of academic activities without placing the health, safety and security of learners, teachers and others at risk, the Federal Ministry of Education through the Universal Basic Education Commission trained school heads, teachers and other education managers of basic schools across the country including Benue State, and implemented the national guidelines for safe reopening of schools and learning facilities. This study assesses the level of compliance by public schools in Makurdi Metropolis of Benue State. Data for the study was collected from public schools in the study area using physical observation and questionnaire, and analysed using descriptive statistics. The result of the study reveals that water, sanitation and hygiene infrastructures and practices in public schools in the study area fall short of the guidelines. The result also shows that majority of the schools are not complying with the guidelines as it was evident in non-compliance with social distancing of 2metres apart in classes, lack of platooning and alternate attendance. Based on the result, the study recommends for full compliance with the safe school reopening and learning guidelines for safety of both pupils and teachers

Page(s): 50-55                                                                                                                   Date of Publication: 29 April 2022

 Daniel Peverga Dam
Department of Geography, Faculty of Environmental Sciences, Benue State University, Makurdi, Nigeria

 Patricia Ali
Department of Geography, Faculty of Environmental Sciences, Benue State University, Makurdi, Nigeria

[1] Adamgbe, E.M; Ujoh, F. (2012). Variations in Climatic Parameters and Food Crops Yields: Implications onFood Security in Benue State, Nigeria. Confluence Journal of Environmental Studies (CJES) Vol. 7 Pp 59-6.
[2] Azlan, A.A, Hamzah, M.R, Sern, T.J, Ayub, S.H, Mohammad, E. (2020). Public knowldege, attitudes and practices towards COVID-19: A cross-sectional study in Malaysia. PLoS One. 2020;15: e0233668. pmid:32437434
[3] Czeisler M.É, Tynan M.A, Howard M.E, Honeycutt S, Fulmer E.B, Kidder D.P, et al. (2020). Public attitudes, behaviors, and beliefs related to covid-19, stay-at-home orders, nonessential business closures, and public health guidance—United States, New York
[4] Dada, E.N; Amosu, A. M. (2021). Evaluation of covid-19 prevention and control protocol compliance among pupil’s in Ikenne Local Government Area, Ogun State. African Journal of Health, Nursing and Midwifery. Volume 4, Issue 3, 2021 (pp. 74-91)
[5] Federal Ministry of Water Resources and Rural Development (FMWRRD). (1998).Managing Flood Problems in Nigeria.
[6] Nigerian Centre for Disease Control “NCDC” (2020). Covid-19 situation report 92. www.covid-19.ncdc,gov.ng
[7] Nigerian Centre for Disease Control “NCDC” (2020). Covid-19 guidance for schools in Nigeria. www.covid-19.ncdc,gov.ng
[8] Nnama-Okechukwu, C.U, Chukwu N.E, Nkechukwe C.N. (2020). COVID-19 in Nigeria: Knowledge and compliance with preventative measures. Soc Work Public Health. 2020;35: 590–602. pmid:32970541
[9] Tser, A. (2013). The Dynamics of Benue State Population 1963-2016. Makurdi, Micro Teacher & Associate
[10] Tyubee, B. T. (2005). Influence of Extreme Climate in Communal Disputes in Tivland of Benue State. Paper Presented during the Conference on Conflicts in the Benue Valley held at Benue State University, Makurdi on 16th and 17th March, 2005.
[11] World Health Organisation. (2020). Overview of public health and social measures in the context of COVID-19. Interim Guid. 2020. Available: https://www.who.int/publications/i/item/overview-of-public-health-and-social-measures-in-the-context-of-covid-19
[12] World Health Organisation. (2020). Coronavirus disease 2019 (COVID-19). WHO Thailand Situation Report—19 March 2020. 2020. Available: https://www.who.int/docs/default-source/searo/thailand/2020-03-19-tha-sitrep-26-covid19.pdf?sfvrsn=6f433d5e_2
[13] Zhong B, Luo W, Li H, Zhang Q, Liu X, Li W, et al. (2020). Knowledge, attitudes, and practices towards COVID-19 among Chinese residents during the rapid rise period of the COVID-19 outbreak: a quick online cross-sectional survey. International Journal of Biological Sciences. Vol;16: 1745–1752. pmid:32226294 York City, and Los Angeles, May 5–12, 2020. Morb Mortal Wkly Rep. 2020;69: 751–758. pmid:32555138
[14] Odii, Aloysius. (2021). Declining adherence to COVID-19 guidelines in Nigerian universities: What can school-based health centres do?. University of Nigeria

Daniel Peverga Dam, Patricia Ali “Assessment of Compliance Level of Public Schools to Covid-19 Guidelines for Safe School Re-Opening and Learning in Makurdi Metropolis, Benue State, Nigeria” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.50-55 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/50-55.pdf

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Development of an Intelligent Fire Hazard Detection System Using Enhanced Machine Learning Technique

Odo F.E, Ituma C., Asogwa T.C., Ebere U.C.- March 2022 Page No.: 56-62

This work was targeted on the development of an intelligent fire hazard detection system using enhanced machine learning technique. The study reviewed many literatures which revealed the problems fire hazard has causes over the years, and also the efforts proposed to solve these problems, but despite the success achieved, there is still great room for improvements This was achieved using Dynamic Systems Development Model (DSDM) methodology which accommodates all necessary functionalities such as modeling diagram, mathematical models, algorithms and simulation based implementation. The model of the wavelet transform was developed and the decomposed output was feed to a Feed Forward Neural Network (FFNN) which was trained with fire data collected from the Nigerian Fire Service Department and back propagation algorithm, to achieve an intelligent fire hazard detection algorithm. The algorithm was implemented with Mathlab and then tested. The result showed a regression performance value of 0.96152, accuracy of 93.33% and MSE value of 0.000103Mu which all indicated system reliability

Page(s): 56-62                                                                                                                   Date of Publication: 30 April 2022

 Odo F.E
Enugu State University of Science and Technology

 Ituma C.
Enugu State University of Science and Technology

 Asogwa T.C.
Enugu State University of Science and Technology

 Ebere U.C.
Destinet Smart Technologies

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[14] Olivares-Mercado J., Toscano-Medina K., Sánchez-Perez G., Hernandez-Suarez A., Perez-Meana H., Sandoval Orozco A.L., García Villalba L.J (2018). Early Fire Detection on Video Using LBP and Spread Ascending of Smoke; Comput. Sci. Inf. Syst. 2018;12:63–89.
[15] Punam Patel, Shamik Tiwari (2012) “Flame Detection Using Image Processing Techniques”, International Journal of Computer Applications (0975 – 8887) Volume 58–No.18, November 2012.
[16] Sharma, V. (2020). Deep Learning: Introduction to Recursive Neural Network (Assessed 12 September 2021)
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Odo F.E, Ituma C., Asogwa T.C., Ebere U.C. “Development of an Intelligent Fire Hazard Detection System Using Enhanced Machine Learning Technique” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.56-62 March 2022  URL: https://www.rsisinternational.org/journals/ijrias/DigitalLibrary/volume-7-issue-3/56-62.pdf

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Development of Power Weeder for 3 Row-Planted Paddy

Weerasooriya, G.V.T.V.- March 2022 Page No.: 63-76

Weeds are the major reason for the significant yield reduction problems in rice cultivation of Sri Lanka. Power weeders have been introduced to rice cultivation as an alternative solution for the controversial herbicide application. The effectiveness of existing power weeders is also low due to the associated rotary mechanism. Besides, “Asakura wooden clog” has been identified as an appropriate weeding mechanism, which could be developed as a power weeder. Therefore, this research was aimed to introduce an appropriate lowland power weeder, especially for medium and large-scale rice farmers in Sri Lanka using the weeding mechanism of manual “Asakura wooden clog”. comprehensive design calculations, fabrications, series of performance tests and modifications were carried out to achieve this goal. Final version of prototype consists of power source, frame and separate mechanisms for power transmission, weed burying, turning/row changing, floating, manipulation and controlling which are facilitated to bare the activated load, burying the weeds, achieve the required tractive power, speed and machine control in road and field manipulation. Besides, it attained satisfactory field performances; 0.03 ha h-1 effective field capacity, 83.25% field efficiency, 80% weeding efficiency, 6.34% damaged plants, 580 performance index. Further, calculated cost for weeding, fuel consumption, labour and power requirement were 38.355 USD ha-1, 0.503 L h-1, 33 man-h ha-1 and 0.319 kW, respectively. Further, no ergonomic or mechanical defects were reported during the performance testing. Thus, this prototype has a potential to develop as an appropriate machinery for weeding processes in medium and large-scale, row planted rice cultivations in Sri Lanka

Page(s): 63-76                                                                                                                   Date of Publication: 30 April 2022

DOI : 10.51584/IJRIAS.2022.7303

 Weerasooriya, G.V.T.V.
Department of Agricultural Engineering and Soil Science, Faculty of Agriculture, Rajarata University of Sri Lanka, Puliyankulama, Anuradhapura, Sri Lanka

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Weerasooriya, G.V.T.V. “Development of Power Weeder for 3 Row-Planted Paddy” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.63-76 March 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7303

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Impact of COVID-19 on Personal Life: an Analysis Based on the Data Centric Approach

Most. Jannatul Ferdous, Sohel Rana, Ali Azgar- March 2022 Page No.: 77-83

COVID-19 is the most used and significant word in this year. It has taken many lives, created fear among people and changed people’s and country’s perspective and decision. The virus has kept people isolated in their homes, and borders have been blocked. The third wave of Covid-19 variants has finally come to an end. Based on an online questionnaire, this paper investigated the impacts of Covid-19 on people’s lives for four essential daily necessities: education, social, economic, and psychological. As the pandemic interrupted the normal world’s circumstances, we tried to determine the association between various factors related to Bangladeshi people in this study. This research is essential because the findings help stakeholders and decision makers decide what to do in the sectors of education, the economy, social, and psychology. This study introduces a new interestingness measure, the “IM-Score,” which aims to discover the association between various parameters. Covid-19 impedes 25.6 percent of educational factors, 23.5 percent of social concerns, 25.9 percent of economic life, and 25.0 percent of psychological factors among the four most basic demands of people’s daily lives, according to the findings. Finally, we concluded that people are concerned about the period of online classes, tuition expenses, financial situation, social interaction, and mental health.

Page(s): 77-83                                                                                                                   Date of Publication: 01 May 2022

DOI : 10.51584/IJRIAS.2022.7304

 Most. Jannatul Ferdous
Department of Computer Science and Engineering, Bangladesh University of Business and Technology, Dhaka, Bangladesh

 Sohel Rana
Department of Computer Science and Engineering, Bangladesh University of Business and Technology, Dhaka, Bangladesh

 Ali Azgar
Department of Computer Science and Engineering, Bangladesh University of Business and Technology, Dhaka, Bangladesh

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Most. Jannatul Ferdous, Sohel Rana, Ali Azgar “Impact of COVID-19 on Personal Life: an Analysis Based on the Data Centric Approach” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.77-83 March 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7304

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The Influence of Servant Leadership, HR Competence, Organizational Commitment and Organizational Citizenship Behavior OCB on the Supervision Performance of Infrastructure Project Managers in Tojo Una-Una Regency

Muhammad Ilyas, Syahir Natsir, Rosida P. Adam- March 2022 Page No.: 84-100

The purpose of this study was to measure, analyze and explain (1) the influence of Servant Leadership on Organizational Citizenship Behavior (OCB) of the Supervisor of the Infrastructure Project Manager in Tojo Una-Una Regency; (2) the influence of HR Competence on Organizational Citizenship Behavior (OCB); (3) the effect of Organizational Commitment on Organizational Citizenship Behavior (OCB); (4) the influence of Organizational Citizenship Behavior (OCB) on Performance; (5) the influence of Servant Leadership on Supervisory Performance; (6) the influence of HR Competence on Supervisory Performance; (7) the effect of organizational commitment on supervisory performance; (8) Influence of Servant Leadership on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable; (9) The influence of HR competence on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB); and (10) the effect of organizational commitment on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB). This research is classified as an Explanatory or Confirmatory Research type. The data analysis method used the Structural Equation Model (PLS-SEM). The number of samples is 144 respondents. The results of the analysis show that (1) Servant Leadership has a significant effect on Organizational Citizenship Behavior (OCB); (2) HR competence has a significant effect on Organizational Citizenship Behavior (OCB). (3) Organizational Commitment has a significant effect on Organizational Citizenship Behavior (OCB). (4) Organizational Citizenship Behavior (OCB) has a significant effect on Supervision Performance (KP). (5) Servant Leadership has a significant but negative direction on Supervision Performance; (6 HR competencies have a significant effect on supervisory performance; (7) organizational commitment has a significant effect on supervisory performance; (8) Servant Leadership has a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variables; (9) HR competencies have a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable, and (10) Organizational commitment has an effect but not significant on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable. (5) Servant Leadership has a significant but negative direction on Supervision Performance; (6 HR competencies have a significant effect on supervisory performance; (7) organizational commitment has a significant effect on supervisory performance; (8) Servant Leadership has a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variables; (9) HR competencies have a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable, and (10) Organizational commitment has an effect but not significant on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable. (5) Servant Leadership has a significant but negative direction on Supervision Performance; (6 HR competencies have a significant effect on supervisory performance; (7) organizational commitment has a significant effect on supervisory performance; (8) Servant Leadership has a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variables; (9) HR competencies have a significant effect on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable, and (10) Organizational commitment has an effect but not significant on supervisory performance mediated by Organizational Citizenship Behavior (OCB) variable. (7) Organizational commitment has a significant effect on Supervision Performance; (8) Servant Leadership has a significant effect on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB); (9) HR competence has a significant effect on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB); and (10) Organizational commitment but not significant effect on the performance of supervision mediated by the variable Organizational Citizenship Behavior (OCB). (7) Organizational commitment has a significant effect on Supervision Performance; (8) Servant Leadership has a significant effect on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB); (9) HR competence has a significant effect on supervisory performance mediated by the variable Organizational Citizenship Behavior (OCB); and (10) Organizational commitment but not significant effect on the performance of supervision mediated by the variable Organizational Citizenship Behavior (OCB).rotocols provide defined and direct mixing aliquots to be used in PCR mixtures for good amplification outcomes when working with DNA of varying concentrations.

Page(s): 84-100                                                                                                                   Date of Publication: 01 May 2022

DOI : 10.51584/IJRIAS.2022.7305

 Muhammad Ilyas
Postgraduate Doctoral Program, Tadulako University, Palu, Central Sulawesi, Indonesia

 Syahir Natsir
Faculty of Economics and Business, Tadulako University, Palu, Central Sulawesi, Indonesia

 Rosida P. Adam
Faculty of Economics and Business, Tadulako University, Palu, Central Sulawesi, Indonesia

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Muhammad Ilyas, Syahir Natsir, Rosida P. Adam “The Influence of Servant Leadership, HR Competence, Organizational Commitment and Organizational Citizenship Behavior OCB on the Supervision Performance of Infrastructure Project Managers in Tojo Una-Una Regency” International Journal of Research and Innovation in Applied Science (IJRIAS) volume-7-issue-3, pp.84-100 March 2022  DOI: https://dx.doi.org/10.51584/IJRIAS.2022.7305

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