Vol. 47 No. 2 (2021)

Articles

• Copper slag as a potential waste filler for polyethylene-based composites manufacturing

  Aleksander Hejna, Paulina Kosmela, Mateusz Barczewski, Olga Mysiukiewicz, Adam Piasecki

  405-420

  • pdf

• Upgrading biogas using Eburru zeolitic rocks and other adsorbent materials to remove carbon dioxide and hydrogen sulphide

  James K Mbugua, Joseph M Mwaniki, Damaris M Nduta, Francis B Mwaura

  421-431

  • pdf

• Thermodynamic analysis of a variable viscosity reactive hydromagnetic couette flow within parallel plates

  Anthony R Hassan, Olufemi W Lawal, Funmilayo F Amurawaye

  432-441

  • pdf

• Mapping of geological structural features in Lolgorien, Narok County, Kenya: Using hillshade analysis

  Sammy O Ombiro, Akinade S Olatunji, Eliud M Mathu, Taiwo R Ajayi

  442-456

  • pdf

• Analysis and comparison of optical performance and collectible solar energy between multi-sectioned compound parabolic concentrator (CPC) and restricted exit angle CPC

  Damasen Ikwaba Paul

  457-471

  • pdf

• Assessment of fluoride bioaccumulation potential in African catfish (Clarias gariepinus) reared in fluoride rich water

  Jophillene Bejumula, Revocatus L Machunda, Liliane J Pasape, Kelvin M Mtei

  472-484

  • pdf

• Amending traditional substrate rice straw with agroforestry tree foliage increases production cycle and nutritional value of Pleurotus floridanus

  Samora M Andrew, John R Mbwambo

  485-494

  • pdf

• Count time series models for road traffic accidents in Tanzania Mainland

  Amina S Msengwa, Florence D Ngari

  495-506

  • pdf

• A GATE-based Monte Carlo simulation of a dual-layer pixelized gadolinium oxyorthosilicate (GSO) detector performance and response for micro PET scanner

  Leonid L Nkuba, Innocent J Lugendo, Idrissa S Amour

  507-519

  • pdf

• Hydrogeophysical investigation for the aquifers in part of Ilorin, Central Nigeria: Implication on groundwater prospect

  Ayodele Kehinde Olawuyi

  520-534

  • pdf

• Mineralogical and geochemical characteristics of graphite-bearing rocks at Chenjere Area, south-eastern Tanzania: Implications for the nature and quality of graphite mineralization

  Charles D Moye, Michael M Msabi

  535-551

  • pdf

• Geological controls on brine discharge in Itumbula Salt Dam within the Rukwa Rift in Momba District, Tanzania

  Mwita S Maswi, Octavian Minja, Chakutema Batwenge

  552-567

  • pdf

• Coupled effects of hydrophilic nano silica oxide and anatase nano titanium oxide on strengths of oilwell cement

  Petro E Mabeyo, Jun Gu

  568-582

  • pdf

• Effects of Xanthan gum on rheological properties of Aloe vera-Moringa leaf juice blends

  Victor V Matabura, Leonard MP Rweyemamu

  583-596

  • pdf

• Evaluation of petroleum hydrocarbons contamination in soils and groundwater using electrical resistivity and hydrochemical methods-Case study: Ayetoro, Osogbo southwestern Nigeria

  Mutiu A Fakunle, Muhydeen A Ibraheem, Wasiu B Agbaje, Luqman A Abidoye

  597-608

  • pdf

• Screening of aflatoxin-producing fungi in maize and groundnuts from three regions in Tanzania

  Kusiluka Agape, Valence MK Ndesendo, Sartaz Begum

  609-615

  • pdf

• Spatial distribution patterns of the populations of two subterranean termites (Blattodea: Termitidae) in eucalyptus (Myrtales: Myrtaceae) plantations

  Olaniyi T Alamu, Francis K Ewete, Ayangbade E Ayandokun, John A Ete

  616-624

  • pdf

• Pathological scanning of ochratoxigenic moulds impaired feed in vivo, towards conceptualizing their reverberations on different organs

  Benjamin T Thomas, Omolara D Popoola, Moses O Efuntoye, Mercy O Coker, Ahmed O Tajudeen

  625-636

  • pdf

• Effects of rapid thermal annealing on the properties of room-temperature oxygenated DC sputtered zinc thin films for CZTS solar cells application

  Emmanuel R Ollotu, Nuru R Mlyuka, Margaret E Samiji

  637-647

  • pdf

• Bacterial growth inhibitory effects of Calotropis procera’s latex, leaves and roots extracts

  Marco Baluhya, Charles O Joseph

  648-654

  • pdf

• Larvicidal potency of Dioscorea sansibarensis leaf extract against vector mosquitoes: Anopheles gambiae s.s. and Culex quinquefasciatus

  Anitha Philbert

  655-663

  • pdf

• Assessment of natural radioactivity and radiation hazards of building materials in Kinondoni District, Dar es Salaam, Tanzania

  Huruma P Mammba, Vitus A Balobegwa, Alex P Muhulo, Peter A Pantaleo, Remigius A Kawala

  664-673

  • PDF

• Solving the University course timetabling problem using bat inspired algorithm

  Ushindi Limota, Egbert Mujuni, Allen Mushi

  674-685

  • pdf

• Synergistic effects of halide ions and Acacia senegal gum on the corrosion inhibition of mild steel in sulfuric acid solution

  Jovine Emmanuel, Joseph Buchweishaija

  686-697

  • pdf

• Application of optimal control to tuberculosis model with parameter estimations: Bayesian approach

  Goodluck M Mlay, Alfred K Hugo

  698-709

  • pdf

• Application of linguistic/non-numeric fuzzy aggregation to the ranking of processed crops

  David Koloseni

  710-717

  • pdf

• Levels of selected toxic and essential elements in fish and oysters from Western Indian Ocean, Coast of Tanzania

  Daniel A Shilla, Shovi F Sawe

  718-727

  • pdf

• Mathematical analysis of harvested predator-prey system with prey refuge and intraspecific competition

  Alanus Mapunda, Thadei Sagamiko

  728-737

  • pdf

• Determination of 40K, 226Ra and 228Ra concentrations with dose rates in crayfish from Ode Omi River and radiological implications to the consumers

  Olusegun Sowole, Qasim Abolanle Adeniji, Muyideen O Olagunju

  738-744

  • pdf

• Synthesis and antimicrobial activities of some new sulfonyl phenoxides

  Oluwaseyi B Ovonramwen, Bodunde J Owolabi, Abiodun Falodun

  745-753

  • pdf

• Integration of geophysics and remote sensing techniques in mapping zones mineralised with disseminated gold and sulphide minerals in Lolgorien, Narok County, Kenya

  Sammy O Ombiro, Akinade S Olatunji, Eliud M Mathu, Taiwo R Ajayi

  754-768

  • pdf

• Sign language recognition using Kinect sensor based on color stream and skeleton points

  Isack Bulugu

  769-778

  • PDF

• Evaluation of scatter suppression algorithm for X-ray exposure of soft tissue equivalent phantoms over nominal energy range using FLUKA code

  Samson O Omondi, Innocent J Lugendo, Ramadhan R Kazema, Robert Kinyua

  779-789

  • PDF

• Influence of carbonitriding conditions on phase composition and residual stresses for 20MnCr5 low alloy steel

  Richard J Katemi, Jeremy Epp

  790-799

  • PDF

• Assessment of the quality and quantity of organic matter in the Rufiji Mangrove surface sediments using biochemical composition

  Daniel A Shilla

  800-811

  • pdf

• Biodiesel production by esterification of ricinoleic acid over a series of synthesized sulfated zirconia catalysts

  Elianaso Elimbinzi, Stephen S Nyandoro

  812-825

  • pdf

• Probabilistic seismic hazard assessment and site analyses of Arusha International Conference Centre (AICC), Arusha, Tanzania

  Richard W Ferdinand

  826-840

  • pdf

• Variations in the effects caused by magnetic field on chlorophyll, nitrogen, calcium, and iron contents in species of vegetable plants

  Olusegun O. Alabi, Samuel O. Sedara, Kafayat Adeyemi, Felix Oladejo, Funmilayo Ayedun

  841-846

  • pdf

• Investigation of some factors associated with utilization of maternal health care services by adolescent mothers in Tanzania

  Elia Magwaja, Jacqueline Minja, Majige Selemani Budeba, Rocky R.J. Akarro

  847-861

  • pdf

• Probabilistic seismic hazard analysis for Northern Tanzania Divergence Region and the adjoining areas

  Michael M Msabi, Richard W Ferdinand

  862-876

  • pdf