Vol. 39 No. 1 (2020) | Nigerian Journal of Technology

Published: 2020-04-03

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Automated university lecture timetable using Heuristic Approach

A.M. Hambali , Y.A. Olasupo, M. Dalhatu

1-14

DOI:

10.4314/njt.v39i1.1

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Actuarial modelling of equilibrium condition in life and pension using integral transform

G.M. Ogungbenle, J.S. Adeyele

15-24

DOI:

10.4314/njt.v39i1.2

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Analytical model construction of optimal mortality intensities using polynomial estimation

G.M. Ogungbenle, J.S. Adeyele

25-35

DOI:

10.4314/njt.v39i1.3

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Effectiveness of geophysical assessment of boreholes drilled in basement complex terrain at Afe Babalola University, using Electromagnetic (E.M.) method

S.O. Oyegoke, O.O. Ayeni, K.O. Olowe, A.S. Adebanjo, O.O. Fayomi

36-41

DOI:

10.4314/njt.v39i1.4

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Effect of soil compressibility on the structural response of box culverts using finite element approach

O.U. Ubani, C.M.O. Nwaiwu, J.I. Obiora, E.O. Mezie

42-51

DOI:

10.4314/njt.v39i1.5

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Application of alternative II theory to vibration and stability analysis of thick rectangular plates (Isotropic and orthotropic)

O.M. Ibearugbulem, S.I. Ebirim, U.C. Anya, L.O. Ettu

52-62

DOI:

10.4314/njt.v39i1.6

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State of play on the use of building construction standards in Congo-Brazzaville

A.S. Ndongo, N. Malanda, B. Bahouayila

63-73

DOI:

10.4314/njt.v39i1.7

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A taxonomy of building collapse causes in Lagos State Nigeria

M.O. Imafidon, C.P. Ogbu

74-86

DOI:

10.4314/njt.v39i1.8

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Predicting the split tensile strength of Saw Dust Ash - Fine aggregate concrete

K.M. Oba, O.O. Ugwu, F.O. Okafor

87-96

DOI:

10.4314/njt.v39i1.9

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Effects of ground granulated blast furnace slag and pulverized fuel ash on rheology of concrete

A.S. Bature, M. Khorami, A. Lawan

97-104

DOI:

10.4314/njt.v39i1.10

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Experimental assessment of the performance of reinforced concrete beams strengthened with carbon fiber reinforced polymer laminates

N. Yusuf , J.M. Kaura, A. Ocholi, M. Abbas

105-112

DOI:

10.4314/njt.v39i1.11

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Influence of unscheduled stop and dwell time of minibus public transport on transit time in Kano Metropolis

M.N. Ibrahim, H.M. Alhassan

113-120

DOI:

10.4314/njt.v39i1.12

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Design and analysis of displacement models for modular horizontal wind turbine blade structure

E.M. Etuk, A.E. Ikpe, U.A. Adoh

121-130

DOI:

10.4314/njt.v39i1.13

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Design and performance evaluation of an electrically powered multi-purpose food roaster

Y.O. Ganiyu, M.O. Afolayan, S.O. Jolaiya

131-139

DOI:

10.4314/njt.v39i1.14

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Synthesis of fatty acid methyl esters from used vegetable oil using activated anthill as catalyst

E.O. Babatunde, H.B. Saka, M.A. Olutoye, U.G. Akpan, M. Auta

140-147

DOI:

10.4314/njt.v39i1.15

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Pressure behaviour of a horizontal well sandwiched between two parallel sealing faults

A.V. Ogbamikhumi, E.S. Adewole

148-153

DOI:

10.4314/njt.v39i1.16

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Pressure distribution of a horizontal well in a bounded reservoir with constant pressure top and bottom

J.J. Orene, E.S. Adewole

154-160

DOI:

10.4314/njt.v39i1.17

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A 3D modelling of the in-cylinder combustion dynamics of two stroke internal combustion engine in its service condition

A.E. Ikpe, I.B. Owunna

161-172

DOI:

10.4314/njt.v39i1.18

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Investigation of pumpkin pod extract as corrosion inhibitor for carbon steel in HCl Solution

A.O. Okewale, T. Adebayo

173-181

DOI:

10.4314/njt.v39i1.19

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Modeling and simulation of the effect of moisture content and ambient temperature on gas turbine power plant performance in Ughelli, Nigeria

F. Onoroh, M. Ogbonnaya, U.P. Onochie

182-188

DOI:

10.4314/njt.v39i1.20

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Investigating the lateral stability of three-wheeled scooter taxi due to tyre-road forces

G.A. Asuelinmen, S.J. Ojolo, O.O. Ajayi

189-195

DOI:

10.4314/njt.v39i1.21

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Analysis of factors that influence the calorific value of mangrove wood for electricity generation using split- split plot design

L.A. Omidih, S.A. Omotehinse

196-202

DOI:

10.4314/njt.v39i1.22

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Investigation of the effects of starting pH, mass and retention time on biogas production using poultry droppings as feedstock

O.A. Adebimpe, I.E. Edem, O.L. Ayodele

203-211

DOI:

10.4314/njt.v39i1.23

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Single user TCP downstream throughput probability models in IEEE802.11b WLAN system

I. Oghogho

212-218

DOI:

10.4314/njt.v39i1.24

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A study of ferroresonance in underground distribution network for 15MVA, 33/11 kV injection substation

S.O. Koledowo, E.C. Ashigwuike, A. Bawa

219-227

DOI:

10.4314/njt.v39i1.25

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Improvement of bus voltage profiles of Nigerian power network in the presence of Static Synchronous Compensator (STATCOM) and Doubly Fed Induction Generator (DFIG)

I.B. Anichebe, A.O. Ekwue

228-237

DOI:

10.4314/njt.v39i1.26

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Effect of atmospheric impairments on ku-band free-to-air digital satellite television signals in Lagos State

A.O. Gbenga-Ilori

238-245

DOI:

10.4314/njt.v39i1.27

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Review of electrical energy losses in Nigeria

O.M. Komolafe, K.M. Udofia

246-254

DOI:

10.4314/njt.v39i1.28

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Model prediction and climatology of aerosol optical depth (τ550) and angstrom exponent (α470-660) over three aerosol robotic network stations in Sub-Saharan Africa using moderate resolution imaging spectroradiometer data

S.B. Sharafa, R. Aliyu, B.B. Ibrahim, B.I. Tijjani, T.H. Darma, U.M. Gana, F. Ayedun, H.T. Sulu

255-268

DOI:

10.4314/njt.v39i1.29

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Application of Mangifera indica (mango) and Phoenix dactylifera (dates) seeds powders as coagulants in wastewater treatment

E.A. Kuhiyop, D.B. Adie, U.A. Abubakar

269 - 277

DOI:

10.4314/njt.v39i1.30

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Groundwater potential mapping in Ikorodu, Lagos State, Nigeria, using multi-criteria analysis and hydrogeophysics

E.E. Epuh, M.J. Orji, H.A. Iyoyojie, O.E. Daramola

278-292

DOI:

10.4314/njt.v39i1.31

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Water quality assessment of Owiwi River for potential irrigation of vegetables

A.O. Eruola, A.A. Makinde, A.O. Eruola, R. Oladele

293-300

DOI:

10.4314/njt.v39i1.32

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Assessment of some heavy metals concentrations in soil and groundwater around refuse dumpsite in Ibadan Metropolis, Nigeria

I.O. Saheed; S.O. Azeez, A.A. Jimoh, V.A. Obaro, S.A. Adepoju

301-305

DOI:

10.4314/njt.v39i1.33

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Estimation and comparison of reference evapotranspiration within Kaduna Central District, Nigeria, using four different methods

N. E. Onwuegbunam, D.O. Onwuegbunam, A. Dare

306-314

DOI:

10.4314/njt.v39i1.34

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Temporal variation of groundwater resources in Ilesa West Local Government, Osun State Nigeria

O.O. Fadipe, K.T. Oladepo

315-324

DOI:

10.4314/njt.v39i1.35

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