Browsing Research Articles [MEWES] by Title
Now showing items 238-257 of 474
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Investigating Cutoff Technique for Improved Water Saving and Productivity in Furrow Irrigation System
(Journal of Irrigation and Drainage Engineering, 2021-10-04)The cutoff technique has not been adequately investigated despite being the most practiced among smallholder farmers. This study aimed at scenarios of improving water application efficiency, distribution uniformity, and ... -
Investigation of Aloe lateritia Gel as Corrosion Inhibitor for Mild Steel in 2 M HNO3 and 1 M H2SO4 Media
(Scientific Research, 2016-01-15)Corrsion inhibition of Aloe lateritia gel for Mild steel in 2 M HNO 3 and 1 M H 2 SO 4 solutions was in- vestigated by potentiodynamic polarization, Scanning electron microscopy (SEM) and Foutier transform infrared ... -
Investigation of functional performance of treatment systems for textile wastewater in selected textile industries in Tanzania
(IWA Publishing, 2023-02-01)Textile industrialization is an integral part of the economic growth in Tanzania. However, the corresponding wastewater from textile treat ment processes consists of dyes and auxiliaries associated with acute toxicological ... -
Investigation of optoelectronic properties of triphenylamine-based dyes featuring heterocyclic anchoring groups for DSSCs’ applications: a theoretical study
(Springer Nature Switzerland AG., 2020-08-05)Design and synthesis of new potent sensitizers are of interest for realization of high-efficiency Dye Sensitized Solar Cells (DSSCs). Modification of the triphenylamine-based dyes by introducing suitable anchoring groups ... -
Investigation of Rheological Behavior of Untreated and Microwave-Assisted Alkaline Pretreated Sugarcane Straw for Biofuel Production
(Springer Nature Switzerland AG., 2020-07-05)Purpose Biomass slurries, such as those subjected to microwave-assisted alkaline (MAA) pretreatment, will become common substrates for the production of biofuels in the future. While the rheology of acid and ionic liquid ... -
io-Oil Upgrading over ZSM-5 Catalyst: A Review of Catalyst Performance and Deactivation
(wiley, 2023-12-27)Due to population explosion and industrialization, waste biomass and polymer conversion into biofuel has attracted the interest of researchers. The application of the ZSM-5 catalyst for bio-oil upgrading into renewable ... -
Ionic liquids based on 1-ethyl-3-methylimidazolium cation and anions of tetrafluoroborate and bis(trifluoromethylsulfonyl)imide: Structural and thermodynamic properties by DFT study
(Elsevier B.V., 2020-02-01)The theoretical study of neutral ion pairs of 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]) and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][NTf2]) has been performed. The formation ... -
Ionic species in vapour over barium diiodide: Quantum chemical study of structure and thermodynamic properties
(Elsevier B.V., 2017-10-01)The cluster ions Ba2I3+, Ba3I5+ and Ba4I7+ were detected earlier in saturated vapour over barium diiodide using high temperature mass spectrometric technique. In this work the structure and thermodynamic properties of the ... -
Isolation and characterization of nitrogen fixing rhizobia from cultivated and uncultivated soils of northern Tanzania
(Scientific Research Publishing, 2014-12-18)Soil bacteria1 called rhizobia are gram-negative capable to colonize the soil immediately surrounding roots under the influence of the plant “rhizosphere” and reduce atmospheric nitrogen into the form available to plants ... -
Isotopic and hydrogeochemical characterization of groundwater and surface water from a mine site in Tanzania
(IWA Publishing, 2021-12-04)This study used the hydrochemical properties of water to reveal the causes of water quality degradation. The results showed that most samples located downstream of the mine tailings dam were slightly acidic with pH as low ... -
Kinetic analysis of anaerobic sequencing batch reactor for the treatment of tannery wastewater
(Academic Journals, 2017-06-30)A pilot scale anaerobic sequencing batch reactor (ASBR) was operated at different organic loading rate (1.03, 1.23, 1.52 and 2.21 kg.m-3.d-1) in order to determine the chemical oxygen demand (COD) removal and methane ... -
Kinetics and optimization modeling of Fenton-mediated photocatalysis of dye effluent with novel PANI/AK-TiO2 nanocomposites
(Springer Berlin Heidelberg, 2024-04-05)The quest for the application of a high solar-photon sensitive photocatalysts for rapid photodegradation of recalcitrant dye molecules with deleterious environmental impacts remains a major setback for the adoption of ... -
Land Use and Environmental Gradients Influence on Riparian Woody Plant Diversity and Structure in Lake Manyara Watershed Ecosystem, Tanzania
(Scientific Research Publishing, 2023-09-12)Riparian vegetations are important in supporting ecological connectivity between aquatic and terrestrial ecosystems. The structure and species composition of riparian woody plants have been subjected to multiple forces ... -
Land-Use and Land Cover Changes on the Slopes of Mount Meru-Tanzania
(Current World Environment, 2018-12)Environmental transitions analysis was done in part of the land on the slopes of the foothills of Mount Meru in thirty (30) years’ time from 1986 to 2016 using satellite-derived land use/cover maps and a Cellular Automata ... -
The Last Will Be First: Water Transfers from Agriculture to Cities in the Pangani River Basin, Tanzania
(Water Alternatives, 2012-10)Water transfers to growing cities in sub-Sahara Africa, as elsewhere, seem inevitable. But absolute water entitlements in basins with variable supply may seriously affect many water users in times of water scarcity. This ... -
Lawsone isomers, lawsone ether and bilawsone for dye-sensitized solar cells applications: DFT and UV-Vis studies.
(Elsevier Inc., 2020-01-01)Structural and optoelectronic properties of lawsone (L), lawsone ether (LE) and bilawsone (BL) were studied theoretically using the DFT and time-dependent DFT methods with hybrid functional B3LYP5 and 6-311G (2d,p) basis ... -
Leguminous cover crops differentially affect maize yields in three contrasting soil types of Kakamega, Western Kenya
(Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS), 2011)Maize production in smallholder farming systems in Kenya is largely limited by low soil fertility. As mineral fertilizer is expensive, green manuring using leguminous cover crops could be an alternative strategy for farmers ... -
Levels and distribution of progesterone in receiving waters and wastewaters of a growing urban area.
(Water Science & Technology, 2019-09-01)This study aimed at investigating the levels and distribution of progesterone in receiving waters and wastewaters in Arusha, a fast-growing urban area and the third largest city in Tanzania. Specifically, the study was ... -
Levels of community participation and satisfaction with decentralized wildlife management in Idodi-Pawaga Wildlife Management Area, Tanzania
(Taylor & Francis online, 2017-09-14)Participatory approaches to conservation are viewed as a plausible alternative to the old ‘fortress conservation’ approach. The design and implementation of these approaches in developing countries have tended to embrace ... -
Life cycle analysis of potential municipal solid wastes management scenarios in Tanzania: the case of Arusha City
(Springer Nature, 2021-01-07)The municipal solid wastes (MSW) management technologies in most cities of developing countries pose a continuous risk of contaminating the environment and affecting human health adversely; often because MSW technologies ...