Browsing Research Articles [MEWES] by Title
Now showing items 119-138 of 474
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Effect of Natural Pozzolana on Physical and Mechanical Properties of Concrete
(Hindawi, 2024-02-13)Construction industries are rapidly growing, sacking high amounts of concrete which has a highly dense microstructure with excellent mechanical properties, more durable, and highly eco-friendly materials. Hence, many of ... -
Effect of Rhizobium inoculation and supplementation with phosphorus and potassium on growth and total leaf chlorophyll (Chl) content of bush bean Phaseolus vulgaris, L.
(Scientific Research Publishing, 2014-12-09)The study was conducted to investigate the effect of Rhizobium inoculation and supplementation of phosphorus and potassium on growth and total leaf chlorophyll content to the three released bush bean varieties in ... -
Effects of Climate Smart Agricultural practices and Planting Dates on Maize Growth and Nutrient Uptake in Semi-Arid Tanzania
(International Journal of Biosciences, 2020-05-15)The shift of growing season’s onset due to rainfall and seasonal variability are among the climate change impacts affecting agricultural productivity in semi-arid. Previous studies have also noted the seasonal variations ... -
Effects of different supplementary cementitious materials on durability and mechanical properties of cement composite – Comprehensive review
(Elsevier Ltd., 2023)Ordinary Portland cement is the highest produced cement type in the world, however its pro- duction is high energy consumption means expensive, huge natural resource consumptive, and creating high environmental pollution. ... -
Effects of Raw and Different Calcined Bentonite on Durability and Mechanical Properties of Cement Composite Material2024
(Elsevier, 2024-02-22)Bentonite is a natural pozzolanic material mostly composed of SiO2 and employed in cementing materials for the reduction of cement consumption and CO2 emission besides improving perfor- mance of cement composite material ... -
Effects of Rhizobium inoculation and Supplementation with P and K, on Growth, Leaf chlorophyll content and Nitrogen Fixation of Bush bean varieties
(American Journal of Research Communication, 2014)Low crop productivity is a general problem facing most farming systems in sub-Saharan Africa (SSA). These low yields are pronounced in grain legumes and are often associated with declining soil fertility and reduced ... -
Effects of wastewater characteristics on fish quality from integrated wastewater treatment system and fish farming in Urban Areas, Tanzania
(Scientific Research Publishing, 2014-09-10)Availability of suitable water is one of the most important limiting factors for development of sustainable aquaculture in the urban areas. As a consequence, the use of wastewater effluents for aquaculture is on the rise ... -
Effects of zero-valent iron on sludge and methane production in anaerobic digestion of domestic wastewater
(Elsevier, 2023-12-08)Iron metal (Fe0) materials enhance the performance of anaerobic digestion (AD) reactors to remove pollutants. Most research focused on the materials' mechanisms and effectiveness in enhancing AD. However, there is scant ... -
Efficacy of Aqueous Extracts from Syzygium aromaticum, Tephrosia vogelii, and Croton dichogamus against Myzus persicae on Brassica oleracea in Northern Tanzania
(Hindawi Limited, 2021-07-19)The effectiveness of 1, 5, and 10% w/v of aqueous extracts of Croton dichogamus, Tephrosia vogelii, and Syzygium aromaticum and their mixture (2.5 and 5%) was evaluated against Myzus persicae on Brassica oleracea under ... -
Efficacy of waste stabilization ponds and constructed wetlands adopted for treating faecal sludge in Africa: a review
(Taylor & Francis online, 2024-05-24)The generation of faecal sludge (FS) in capitals and urban settings of African countries outpaces the available storage, emptying, transportation and treatment technologies. The low technology-based treatment systems for ... -
Eggshells – assisted hydrolysis of banana pulp for biogas production
(2017-01-27)In this study, pretreatment of banana pulp using eggshells in both calcined and un-calcined forms to examine the extent of hydrolysis was conducted. Reactor CO containing banana pulp and inoculum but with no eggshells added ... -
Electrical power output potential of different solar photovoltaic systems in Tanzania
(International Journal of Renewable Energy Development, 2024-04-05)This study examines the photovoltaic (PV) energy output and levelized cost of energy (LCOE) in seven regions of Tanzania across five different tilt adjustments of 1 MW PV systems. The one-diode model equations and the ... -
Electrocatalytic reduction of CO2 gas at Sn based gas diffusion electrode
(Elsevier B.V., 2011-07-01)The tin (Sn) based gas diffusion electrode was fabricated and applied for CO2 electroreduction in a zero gap cell. The fabrication was done by electrodeposition from a simple citrateechloride plating solution by chrono ... -
Electrospun carbon nanofibers for use in the capacitive desalination of water
(Elsevier, 2022-12)Capacitive deionization (CDI) has rapidly become a promising approach for water desalination. The technique removes salt from water by applying an electric potential between two porous electrodes to cause adsorption of ... -
Encapsulated Urea-Kaolinite Nanocomposite for Controlled Release Fertilizer Formulations
(Hindawi Publishing Corporation Journal of Chemistry, 2015)Urea controlled release fertilizer (CRF) was prepared via kaolinite intercalation followed by gum arabic encapsulation in an attempt to reduce its severe losses associated with dissolution, hydrolysis, and diffusion. ... -
Energy Management for a Random Outage Grid-tied Hybrid Photo- voltaic Solar-Thermal Energy System for health Center Applications
(RERA, 2023-09-23)This research work proposes and evaluates an enhanced open-loop photo-voltaic evacuated tube solar thermal collector hybrid energy system based on the developed multi-objective energy management strategy that manages and ... -
Energy minimization in monoethanolamine‐based CO2 capture using capacitive deionization
(John Wiley & Sons, Ltd., 2014-01-07)Post‐combustion CO2 capture using monoethanolamine (MEA) is a mature technology; however, the high energy input requirements for solvent regeneration are still a challenge for MEA‐based CO2 capture. In this paper, a novel ... -
Energy Recovery from Municipal Solid Waste
(Regional Collaboration Conference, 2014-07)Energy flow analysis and thermal degradation of municipal solid waste was carried out using differential scanning calorimetry and thermo-gravimetric analyzer at heating rates of 10 K/min, 20 K/min, 30 K/min and 40 K/min ... -
Energy Recovery routes from Municipal Solid Waste : A case study of Arusha-Tanzania
(Journal of Energy Technologies and Policy, 2014)A study of energy recovery from municipal solid waste was undertaken. The energy content of the solid waste is 12MJ/kg. The elemental composition shows that the municipal solid waste contains 50% and 5% of carbon and hydrogen ... -
Engine performance, exhaust emissions and combustion characteristics of a CI engine fuelled with croton megalocarpus methyl ester with antioxidant
(Elsevier Ltd., 2011-08)The use of biodiesel as a substitute for petroleum-based diesel has become of great interest for the reasons of combating the destruction of the environment, the price of petroleum-based diesel and dependency on foreign ...