Vol. 41 No. 1 (2022) | Nigerian Journal of Technology

Application of statistical model for predicting the compressive strength of sandcretes made with different fine aggregates available in Nsukka

D.O. Erakpoweri, N.H. Onah

1 –7

DOI:

10.4314/njt.v41i1.1

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Application of variation method in three dimensional stability analysis of rectangular plate using various exact shape functions

F.C. Onyeka, B O. Mama, C.D. Nwa-David

8 –20

DOI:

10.4314/njt.v41i1.2

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Effects of untreated oil-palm fruit fibre reinforcements on the strength and durability properties of non-fired pressed mud blocks

P. D. Onodagu, F.C. Uzodinma, C.H. Aginam

21 –25

DOI:

10.4314/njt.v41i1.3

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Properties of eco-friendly concrete produced by partial replacement of sand with sawdust with emphasis on water-cement ratio

O.A. Ubachukwu, S.E. Ubi, K.P. Esochaghi, K.B. Nwokoukwu

26 –31

DOI:

10.4314/njt.v41i1.4

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Shear-stud restrained composite slab strength prediction model

K. Mohammed, A.M. Alkali, K. Bulu

32 –37

DOI:

10.4314/njt.v41i1.5

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Tensile and microstructural properties of unidirectional coir bio-derived epoxy composites

C. I. Madueke, R. Umunakwe, S.G. Borisade, O.M. Mbah

38 –44

DOI:

10.4314/njt.v41i1.6

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Selection of optimum process parameters for penetration depth improvement of welded mild steel joints

F.O. Uwoghiren, E.C. Etin-Osa

45 –49

DOI:

10.4314/njt.v41i1.7

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Comparative analysis of the combined effect of input parameters on heat input and heat affected zone in TIG welding

F.O. Uwoghiren, B.O. Erhunmwunse

50 –54

DOI:

10.4314/njt.v41i1.8

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A review on the factors affecting the properties of natural fibre polymer composites

C. I. Madueke, R. Umunakwe, O.M. Mbah

55-64

DOI:

10.4314/njt.v41i1.9

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The suitability of using environmental waste (polystyrene foam, sawdust and eggshells) for developing a hybrid composite for ceiling boards

Y. L. Shuaib-Babata, Y.O. Busari, S.O. Abdulraman, L.B. Abdulqadir, I.O. Ambali, K.S. Ajao, N.I. Aremu, I.O. Arowolo

65-76

DOI:

10.4314/njt.v41i1.10

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Performance analysis of two different sizes of wind turbine rotors based on Nigerian low wind regime

B.I. Kunya, A. Ahmed

77–82

DOI:

10.4314/njt.v41i1.11

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A Taguchi based iterative wing structural design for a low speed, hybrid UAV

O.A. Dada, O.M. Makinde, O.C. Ubadike, P.O. Jemitola

83 –89

DOI:

10.4314/njt.v41i1.12

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Parametric improvement of hammer mill for bambara flour production using desirability optimization methodology

I.F. Ikechukwu

90 –98

DOI:

10.4314/njt.v41i1.13

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Performance assessment of vegetable oil-based cutting fluid developed from palm kernel oil using multi-response optimisation technique

J. Abutu, M.A. Oluleye, C. Okechukwu, S.I. Salawu, B. Dame, K.U. Unamba

99 –113

DOI:

10.4314/njt.v41i1.14

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Risks of cosmetics and level of awareness of both genders in Libya

S. M. Korbag, I.M. Korbag, A.B. Iqrin

114-122

DOI:

10.4314/njt.v41i1.15

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Improvement of quality characteristics of an epoxy-based composite reinforced with Sisal (Agave Sissalana) plant fibre for wind turbine blade material using Taguchi grey relational analysis

I. Iliyasu, D.S. Yawas, M.O. Afolayan, S.Y. Aku

123 –130

DOI:

10.4314/njt.v41i1.16

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Power performance comparison analysis of FPGA using Riemann Definite Integral Equation Solver

M. Adamu, A.I. Audu, C.U. Ngene

131 –139

DOI:

10.4314/njt.v41i1.17

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A critical review of contemporary issues related to DFIG

N.C. Aluu, E.C. Ashigwuike

140 –147

DOI:

10.4314/njt.v41i1.18

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Dynamic analysis and computer simulation of interior permanent magnet synchronous motor with intermittent loading

C.S. Ezeonye, I.E. Nkan, E.E. Okpo, O. I. Okoro

148 –157

DOI:

10.4314/njt.v41i1.19

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Incorporation of zero-valent silver and polyvinyl acetate on the surface matrix of carbon nanotubes for the adsorption of mercury and chromium from industrial wastewater

T.C. Egbosiuba

158 –168

DOI:

10.4314/njt.v41i1.20

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Hand washing hygiene, sanitation and sustainable development goals in Umuahia North Local Government Area, Abia State, Nigeria

J. I. Obianyo, S. Eboh, I. Ije, E.E. Ohazurike, L.I. Nwobia

169 –174

DOI:

10.4314/njt.v41i1.21

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Development of a graphical user interface software for the prediction of chronic kidney disease

S.C. Nwaneri, H.C. Ugo

175 –183

DOI:

10.4314/njt.v41i1.22

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Development of a manual egusi (Citrulus Vulgaris) washing machine

P. A. Omale, S.K. Oyeniyi, F.C. Ojukwu

184 –190

DOI:

10.4314/njt.v41i1.23

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Biofuel production from locally sourced roselle (Hibiscus Sabdariffa L.) seed oil using transesterification process

K.O. Arowosafe, A.I. Bamgboye, A.A. Adesanya, B.D. Odugbose, U.D. Olannye, O.V. Fatoye

191 –196

DOI:

10.4314/njt.v41i1.24

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Building, Civil & Geotechical Engineering

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Chemical, Industrial, Materials, Mechanical, Metallurgical, Petroleum & Production Engineering

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Computer, Telecommunications, Software, Electrical & Electronics Engineering

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Agricultural, Bioresources, Biomedical, Food, Environmental & Water Resources Engineering

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