Browsing by Title
Now showing items 1737-1756 of 2554
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Optimization of divalent mercury removal from synthetic wastewater using desirability function in central composite design of response surface methodology
(Springer Naturer, 2023-12-07)Heavy metals exist in the ecosystem both naturally and due to anthropogenic activities and as recalcitrant pollutants; they are non-biodegradable and cause acute and chronic diseases to human beings and many lifeforms. A ... -
Optimization of dividend payouts and reinsurance policies under a set ruin probability target
(NM-AIST, 2019-03)This dissertation is devoted to the mathematical investigation of the topic: Optimization of Dividend Payouts and Reinsurance Policies under a Set Ruin Probability Target. Its purposes are, first, to determine the optimal ... -
Optimization of domestic biogas stove burner for efficient energy utilization
(NM-AIST, 2020-08)The inefficient indoor burning of fuel wood on traditional cook stoves generates pollutants, primarily carbon monoxide and many other human health-damaging emissions. It is from this risk that it is necessary to have an ... -
Optimization of goat manure against use of N-Minjingu Nafaka Plus fertilizer for improved lablab growth and yield in semi - arid areas of Northern Tanzania
(Elsevier, 2023-12)The study was conducted in Northern Tanzania from the 2022–2023 cropping seasons to develop a cropping model that farmers can use to improve their lablab production. The field experiments were conducted at the Tanzania ... -
Optimization of Hata Model based on Measurements Data using Least Square Method: A Case Study in Dar-es-Salaam – Tanzania
(International Journal of Computer Applications, 2014-09)ABSTRACT In this study, we present a measurement-based model for path loss prediction in three GSM service areas at 900 MHz .Modified Hata model for rural, suburban, and urban environments were derived in this study on ... -
Optimization of incineration process
(NM-AIST, 2019-02)Municipal solid waste management has become a challenge in many cities in the developing countries due to the poor methods of waste disposal, which increase the risk of the spread of diseases, leach and increase the demand ... -
Optimization of microwave-assisted alkali pretreatment followed by acid hydrolysis of sugarcane straw for production of acetone-butanol-ethanol
(Taylor & Francis Online, 2020-05-07)The production of acetone-butanol-ethanol (ABE) calls for effective pretreatment and hydrolysis techniques to maximize reducing sugar yields. In this study, optimized microwave-assisted alkali (MAA) pretreatment followed ... -
Optimization of Multiple-Short PIFA for Broadband Communication
(IEEE, 2007-12-26)As wireless systems gain wider acceptance and enjoy increased application, performance and cost constraints on the wireless system antennas become more difficult to meet. In this context, antennas that are small in size, ... -
Optimization of RF-EMF exposure to public in Tanzania using Artificial Neural Network and multi linear regression models
(Elsevier, 2025-04)Technology development has triggered the demand for the use of radio frequency electromagnetic fields (RF-EMF). The growing demand for mobile communication, digital industrial evolutions and social services have forced ... -
Optimization of Sedimentation Tank Coupled with Inclined Plate Settlers as a Pre-treatment for High Turbidity Water
(International Institute for Science, Technology and Education(IISTE), 2015)Access to clean and safe drinking water is a challenge in most rural areas of Tanzania. Unsafe drinking water is a major cause of water-related diseases that predominantly affect people living in developing countries. In ... -
Optimization of solvothermal liquefaction of water hyacinth over PTFE-acid mediated kaolin catalyst for enhanced biocrude production
(Elsevier, 2024-03-01)The invasive nature of water hyacinth and the need for renewable energy sources have necessitated this research. Catalyst development through enhanced pore structure and process parameters optimization are requirements for ... -
Optimization of sub- and supercritical water gasification of rice husk enhanced with iron-doped alkaline-earth catalysts
(NM-AIST, 2022-05)Biomass is a promising renewable energy source widely available worldwide, particularly in developing countries where clean and affordable energy is a major problem. Biomass gasification is an attractive technology ... -
Optimization, Characterization and Modeling of Functionalized Macadamia Nutshell Derived-Biochar for Drinking Water Defluoridation
(Springer International Publishing, 2025)Fluoride contamination in drinking water is a serious global environmental concern owing to its irreversible health effects. This study synthesized Zr(IV)-impregnated macadamia nutshell biochar (Zr-MNSB) by the surface ... -
Optimized method for processing avocado seeds to improve selected nutrients and functional values
(J-STAGE, 2021-01)The objective of this study was to develop an optimal processing technique capable of reducing antinutrients to acceptable levels, retain nutrients and functional values of avocado seeds for human consumption. Different ... -
Optimized Preparation of Silver Nanoparticles from Polyethylene Glycol and Formaldehyde
(International Research Journal of Pure & Applied Chemistry, 2016-12-19)The purpose of this work was to study the effect of various process and formulation parameters on size and shapes of silver nanoparticles (AgNPs) based on surface plasmon resonance (SPR). AgNPs were prepared by chemical ... -
Optimized processing method for producing Avocado and Mango seed-based composite flour for functional Foods
(NM-AIST, 2021-07)Avocado and mango seed kernels are considered as wastes although they are rich in essential nutrients and bioactive compounds for human health. Lack of commercial application, presence of anti-nutrients, difficulty in ... -
Optimized Tilted Solar Radiation in Equator Region: Case Study of Seven Climatic Zones in Tanzania
(Shahrood University of Technology, 2024-04-05)This study delves into the ongoing discourse surrounding the optimal tilt angles for solar panels to maximize solar PV power generation. Focused on seven equatorial regions in Tanzania; Dodoma, Dar es Salaam, Kilimanjaro, ... -
Optimizing ciprofloxacin removal from water using jamun seed (Syzygium cumini) biochar: A sustainable approach for ecological protection
(Elsevier, 2024-01-01)Scientific interest in antimicrobial pollutants, such as ciprofloxacin, has increased. Due to spread of antibiotic-resistant bacteria, resistance genes, and their dissemination to the environment. Therefore, their remediation ... -
Optimizing dataset diversity for a robust deep-learning model in rice blast disease identification to enhance crop health assessment across diverse conditions
(Elsevier, 2025-03)Magnaporthe oryzae, the pathogen that causes rice blast disease, poses a significant global threat to rice pro duction. This disease may lead to yield losses exceeding 30 % in susceptible rice varieties. There is an urgent ... -
Optimizing Soil Fertility Management Strategies to Enhance Banana Production in Volcanic Soils of the Northern Highlands, Tanzania
(MDPI, 2020-02-18)Banana is an important crop in high altitude areas of Tanzania, grown widely both as a food staple and as the main source of income. However, its production is constrained by low soil fertility, a result of gradual ...
