The Nelson Mandela African Institution of Science and Technology: Recent submissions
Now showing items 721-740 of 2480
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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. ... -
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 ... -
Water defluoridation by Fe (III)-loaded sisal fibre: Understanding the influence of the preparation pathways on biosorbents’ defluoridation properties
(Elsevier, 2019-01-15)Defluoridation properties of two Fe(III)-loaded plant biomass (Fe(III)-activated sisal fibre (Fe(III)-ASF) and post-alkalized Fe(III)-ASF (PA-Fe(III)-ASF)) distinguished by preparation pathways through exclusion/inclusion ... -
Performance of water filters towards the removal of selected pollutants in Arusha, Tanzania.
(University of Dar es Salaam, 2016)This paper presents the findings of a study carried out to investigate the efficiency of selected common water filters in the removal of Escherichia coli, organic matter and fluoride. Additionally, the Total Suspended ... -
The need to enforce minimum environmental flow requirements in Tanzania to preserve estuaries: case study of mangrove-fringed Wami River estuary
(Elsevier, 2015-11-01)The importance of restoring and maintaining environmental flows for sustaining the ecosystem integrity of rivers has been recognized in policies and legal frameworks in many countries. However this is routinely not implemented ... -
Wastewater treatment performance efficiency of constructed wetlands in African countries: a review
(IWA Publishing, 2015-01-01)In Africa, different studies have been conducted at different scales to evaluate wastewater treatment efficiency of constructed wetland. This paper aims to review the treatment performance efficiency of constructed wetland ... -
Environmental Contamination By Radionuclides And Heavy Metals Through The Application Of Phosphate RocksDuring Farming And Mathematical Modeling Of Their Impacts To The Ecosystem
(nternational Journal of Engineering Research and General Science, 2014-07)Most of rock phosphates contain radioactive elements and heavy metals because theyoriginate from phosphate deposits. The application of these rock phosphates may result to the transfer of these dangerous materials into ... -
Where does land use matter most? Contrasting land use effects on river quality at different spatial scales
(Elsevier, 2020-05-01)Understanding the influence of land-use activities on river quality has been a key focus of river monitoring programs worldwide. However, defining which land-use spatial scale is relevant remains elusive. In this study, ... -
Post-harvest Practices Associated with Aflatoxins Contamination of Complementary Flours in Bahi District, Dodoma,Tanzania
(International Journal of Sciences: Basic and Applied Research (IJSBAR), 2017)Aflatoxins are secondary metabolites produced by several species of Aspergillus fungi, which occur in food crops due to exposure of pre-harvest and post-harvest conditions. Complementary foods are considered an important ... -
Making Fe0-Based Filters a Universal Solution for Safe Drinking Water Provision
(MDPI, 2017-07-12)Metallic iron (Fe0)-based filtration systems have the potential to significantly contribute to the achievement of the United Nations (UN) Sustainable Development Goals (SDGs) of substantially improving the human condition ... -
The genetic diversity of leaf vegetable jute mallow (Corchorus spp.): A review
(Indian Journal of Agricultural Research, 2017-09-27)Corchorus spp. is among traditional vegetable which is very nutritious and has been in use in many households in Africa. It contains high level of carotenoids (150μg/100g), vitamin C, Iron (190μg/g), 1.3% Calcium and 25.0% ... -
Predictors of Program Participation in a Nutrition-Sensitive Agroecological Intervention in Singida, Tanzania
(Oxford University Press, 2020-06)Objectives Nutrition-sensitive agricultural interventions are theorized to improve child’s diet through asset provision and program participation. Although some programs measure participation, predictors of participation ... -
A Participatory Agroecological Intervention Reduces Women’s Risk of Probable Depression Through Improvements in Food Security in Singida, Tanzania
(Elsevier, 2020-06)In 2015, depressive disorders led to over 50 million disability-adjusted life years lost globally, with more than 80% occurring in low- and middle-income countries. Depressive disorders are also risk factors of a number ... -
Underutilized Cashew Apple Fruit: Its Utility and Development as a Source of Nutrients and Value Added Products in Tanzania
(Enviro Research Publishers, 2023-03-29)The tropical cashew tree, Anacardium occidentale L., has remarkable potential. The tree produces the pseudo-fruit known as the cashew apple and nuts. The apple is sweet, juicy, and loaded with dietary fiber, phytonutrients, ... -
Infant and Young Child Feeding Practices and Mycotoxin Contamination of Complementary Food Ingredients in Kongwa District, Tanzania
(Elsevier, 2023-02)Background: Inadequate infant and young child feeding (IYCF) practices in low income countries contribute to poor child growth and development. Objectives: To assess IYCF practices and mycotoxin contamination in complementary ... -
Nutrient intake and dietary adequacy among infants in Kongwa District, Tanzania: A sub-study of the Mycotoxin Mitigation Trial
(Research Square, 2023-04-13)Background: Early exposure to aflatoxin, a common toxin in global food systems, has been associated with child growth faltering. The Mycotoxin Mitigation Trial was a community-based cluster-randomized trial designed to ... -
A Mixed Methods Exploration of the Role of Participation in a Nutrition-Sensitive Agroecology Intervention in Rural Tanzania
(Elsevier, 2023-06)Background: Participation is key to the successful implementation of nutrition-related interventions, but it has been relatively overlooked. Objective: We sought to describe participation intensity among smallholder farmers ... -
Metallic iron for safe drinking water provision: Considering a lost knowledge
(Pergamon, 2017-06-15)Around year 1890, the technology of using metallic iron (Fe0) for safe drinking water provision was already established in Europe. The science and technology to manufacture suitable Fe0 materials were known and further ... -
Animal health management practices in zero grazing dairy units in Arusha City, Tanzania
(African Journals Online (AJOL), 2017-11-05)This study aimed at investigating the animal health management practices in zero grazing dairy units. A questionnaire was used to assess the veterinary practices including the administration of antibiotics and other ... -
Production Diversity Is Not Associated with Women’s Dietary Diversity After Controlling for Wealth and Participation in an Agriculture Intervention in Tanzania
(Oxford University Press, 2019-06)Objectives Farm production diversity has long thought to be a primary driver of dietary diversity. Few studies have explored the drivers of dietary diversity among women, who are often vulnerable to sub-optimal diets. We ...
