Vol. 40 No. 4 (2021) | Nigerian Journal of Technology

Published: 2021-10-27

Evaluation of the causes of flexible pavement failure; case study of Enugu/Port-Harcourt expressway

E.C. Amanamba, C. Chioke, A.C. Ekeleme

558-563

DOI:

10.4314/njt.v40i4.1

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Evaluation of reliability index and probability of failure for the improvement of the Nigerian empirical mechanistic flexible pavement analysis and design system (Nempads)

M.M. Musa, A.T. Olowosulu, A.A. Murana, J.M. Kaura, I. Bello, M. Yusuf, A. Ahmad

564-575

DOI:

10.4314/njt.v40i4.2

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Characterisation and grading of four selected timber species grown in Nigeria in accordance with Bs 5268

U.N. Wilson, Y.N. Mohammad, I.S. Mohammed, F.O. Adeyemi

576-583

DOI:

10.4314/njt.v40i4.3

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Durability properties of self-compacting concrete (SCC) incorporating cassava peel ash (CPA)

M.T. Abdulwahab, O.A.U. Uche

584-590

DOI:

10.4314/njt.v40i4.4

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The crystal chemistry and electrical properties of Fe doped Ca₁₂Al₁₄O₃₃ (Mayenite)

S.N. Ude, C.J. Rawn, T.T. Meek

591-597

DOI:

10.4314/njt.v40i4.5

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Production and characterization of biodiesel from mango seed oil (MSO)

P.A. Okonkwo, I. Omenihu

598-607

DOI:

10.4314/njt.v40i4.6

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Development of auto sanitizer for mitigation of Covid-19 – Using solar powered aluminum structural chamber

S.C. Madu, E.A. Madu, C.O. Anyaoha, P.A. Okonkwo, U.C. Ogbuefi, S.V. Egoigwe, V.S. Aigbodion, E.C. Ejiogu

608-615

DOI:

10.4314/njt.v40i4.7

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Comparative study of the structural and electronic properties of orthorhombic CH₃NH₃PbI₃ hybrid perovskite for solar cell applications

T.C. Chibueze

616-622

DOI:

10.4314/njt.v40i4.8

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CFD analysis of operational flow nature of a wind turbine model using environmental wind data from Nigerian Defence Academy (NDA)

M. Samuel, S.U. Muhammad, W.C. Solomon, G.C. Japheth

623-630

DOI:

10.4314/njt.v40i4.9

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Development and prediction of flame retarded particleboard fire behaviour in real scale

T.O. Suoware, S.I. Umeh, S.O. Edelugo

631-638

DOI:

10.4314/njt.v40i4.10

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Static and dynamic mechanical behavior of doum palm (Hyphaene thebaica) nut reinforced HDPE composites

A.A. Alabi, A.I. Obi, D.M. Kulla, S.M. Tahir

639-647

DOI:

10.4314/njt.v40i4.11

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Performance evaluation of rubber seed oil based cutting fluid in turning mild steel

A.O. Osayi, S.A. Lawal, M.B. Ndaliman, J.B. Agboola

648-659

DOI:

10.4314/njt.v40i4.12

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Locomotive engines and the future of railway automotive power in Africa: A review

I.I. Ozigis, J.I.O. Oche, N.M. Lawal

660-673

DOI:

10.4314/njt.v40i4.13

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Industrial manipulator dynamic parameter estimation using mutating particle swarm optimization (Mupso)

A. Umar, Z. Shi, A. Khlil, Z.I.B. Farouk

674-683

DOI:

10.4314/njt.v40i4.14

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Landing gear disassembly sequence planning using multi-level constraint matrix ant colony algorithm

E.G. Okafor, P.O. Jemitola, O.C. Ubadike, M.T. Abba, G. Sule, M.H. Mohammed

684-693

DOI:

10.4314/njt.v40i4.15

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Investigating the impact of 5G radiation on human health using machine learning

O.E. Aru, K.C. Adimora, F.J. Nwankwo

694-702

DOI:

10.4314/njt.v40i4.16

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Design, simulate and construct a fingerprints attendance system with data logging

A. Basila, A. Danladi

703-712

DOI:

10.4314/njt.v40i4.17

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Database management system for mobile crowdsourcing applications

F.M. Dahunsi, A.J. Joseph, O.A. Sarumi, O.O. Obe

713-727

DOI:

10.4314/njt.v40i4.18

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Power loss minimization load flow studies using Artificial Bee Colony swarm intelligence technique

Z.O. Jagun, M.B. Olajide, B.A. Wokoma, E.N. Osegi

728-731

DOI:

10.4314/njt.v40i4.19

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Remote sensing techniques in mapping spatial variability of salinity in Kano River Irrigation Project (KRIP), Nigeria

D. Mohammed, M.M. Maina, I. Audu, I.Y. Tudun Wada, N.K. Nasir

732-739

DOI:

10.4314/njt.v40i4.20

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Seasonal variation of some atmospheric parameters in fresh water swamp and Sudan Savanna areas of Nigeria

F.O. Aweda, J.O. Agbolade, J.A. Oyewole, M. Sanni

740-750

DOI:

10.4314/njt.v40i4.21

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Assessment of the rainfall exceedance in Nigeria

A.O. Eruola, A.A. Makinde, G.A. Eruola, K.O. Ayoola

751-761

DOI:

10.4314/njt.v40i4.22

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