The main objective is to replace old usage of firewood as a source of fuel for cooking especially in the villages. According to a survey, each family utilizes two fully grown up trees in a year. Our design of solar cooking is strictly based on cost efficiency, easy availability a...
Open access
Research Article10.9734/jmsrr/2025/v8i1381
The study aims to assess the presence and concentration of heavy metals in lemon grasses. These could have implications for the safety and quality of the lemon for various uses, including culinary and medicinal purposes. The research employs analytical techniques such as atomic a...
Open access
Research Article10.9734/jmsrr/2025/v8i1379
Solar drying is a very old but continuously explored technology so that everyone can use to dry food products from meat, vegetables, cereals and the dairy products. However, over the time with increased pollution to both the air and water, the sun drying has been deteriorating. S...
Open access
Research Article10.9734/ajr2p/2025/v9i1181
The magnetic field will attract ferrous materials like iron or nickel. It also attracts or repels other magnets depending, on the polarity of the other magnets Permanent magnets are made from materials that will remain magnetized and are hence able to maintain the magnetic field...
Open access
Research Article10.9734/ajr2p/2025/v9i1182
The study aimed at investigating and determining the viscosity of the raw and boiled honey from Tabora, Tanzania at constant and different temperatures. The method of stokes’s law has been employed in the study. The physical properties especially the viscosity of raw honey and bo...
Open access
Research Article10.9734/sarjnp/2025/v8i1180
The aim of this study was to assess the composition of mineral elements in various ginger root samples. The study assessed the concentrations of the mineral elements Ca, Cu, Fe, Se, Mg, Zn, Na, P, K, and Mn in samples of ginger roots collected from Kilimanjaro, Morogoro, Iringa,...
Open access
Research Article10.9734/ajfrn/2025/v4i1229
This study has assessed the concentrations of the essential elements Ca, Cu, Fe, Se and Zn as well as the toxic heavy metals Al, As, Cd, Cr, Ni and Pb in samples of sardine fish collected from Kivukoni, Kunduchi and Bagamoyo fish markets. The collected fish samples were oven drie...
Open access
Research Article10.9734/PSIJ/2018/45156
Atmospheric concentrations of 7Be and 212Pb were measured for 11 years (2008 – 2018) in Dar es Salaam, Tanzania. The mean activity concentrations of 7Be and 212Pb were found to be within the range of 1.29 – 5.71 mBq/m3 and 10.85 – 50.06 mBq/m3, respectively. The annual mean activ...
Open access
Research Article10.9734/ajr2p/2020/v3i330120