Browsing by Title
Now showing items 2005-2024 of 2543
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Rabbit urine and sunflower oil reinforced tephrosia-based formulation for cowpea insectpests management in Singida, Tanzania
(NM-AIST, 2023-07)Insect pests are a major problem in cowpea production. Synthetic pesticides are used to control; however, are non-friendly to human and diversity of organisms. These negative effects raise farmers' interest in botanical ... -
Radiation Safety of handheld mobile phones
(IEEE, 2014-07)The study of electromagnetic radiation from mobile phone antenna towards human head is presented in this paper. The simulation of radiation emission of Dual band PIFA for GSM and Quadrifillar Helix Antenna for satellite ... -
Radio Frequency Energy Harvesting for Underground Sensor Nodes: Possibilities and Challenges
(IEE ACCESS, 2024-03-28)Radio frequency energy harvesting (RFEH) is considered as one of the possible and envi- ronmentally friendly solution for energizing sensor devices and prolonging the lifetime of wireless sensor networks (WSNs). Despite ... -
Radio Frequency Identification based Drug Management and Monitoring System: A Case of Public Hospitals in Tanzania
((IJCSIS) International Journal of Computer Science and Information Security, 2015-08)RFID is an automatic identification technology that enables tracking of people and objects. Recently, the RFID technology has been deployed in hospitals for patient and equipment tracking, surgical equipment monitoring, ... -
Radioactivity and dose assessment of naturally occurring radionuclides in terrestrial environments and foodstuffs: a review of Bahi district, Tanzania
(Taylor & Francis, 2023-07-15)In this review, the online searchable research articles were scrutinized for the data presented in line with radioactivity and dose estimates from both terrestrial environments and foodstuffs from Bahi district and other ... -
Radioactivity and dose assessment of naturally occurring radionuclides in terrestrial environments and foodstuffs: a review of Bahi district, Tanzania
(International Journal of Environmental Health Research, 2023-07-13)In this review, the online searchable research articles were scrutinized for the data presented in line with radioactivity and dose estimates from both terrestrial environments and foodstuffs from Bahi district and other ... -
Radioactivity distribution in soil, rock and tailings at the Geita Gold Mine in Tanzania
(Elsevier B. V., 2025-04-30)This study evaluated the activity concentrations of natural radionuclides in soil, waste rocks and tailings from the Geita gold mining site in Tanzania using high-resolution gamma spectroscopy. A total of 41 samples: 31 ... -
Radon Mass Exhalation Rates of Selected Building Materials in Tanzania
(Journal of Environment and Earth Science, 2015)This study aimed at determining the mass radon exhalation rate of Tanzania Portland cements and their raw materials for assessment of the radiological hazards due to use of those materials in residential construction. ... -
Rainfall and temperature changes under different climate scenarios at the watersheds surrounding the Ngorongoro Conservation Area in Tanzania
(Elsevier, 2022-04)Considering the high vulnerability of Northern Tanzania to climate change, an in-depth assessment at the local scale is required urgently to formulate sustainable adaptations measures. Therefore, this study analyzed the ... -
Rainfall variability and socio‑economic constraints on livestock production in the Ngorongoro Conservation Area, Tanzania
(Springer Nature Switzerland AG., 2021-01-12)Rainfall variability is of great importance in East Africa, where small-scale farmers and pastoralists dominate. Their livestock production activities are heavily dependent on rainfall. We assessed pastoralist perceptions ... -
Rainfall, fire and large-mammal-induced drivers of Vachellia drepanolobium establishment: Implications for woody plant encroachment in Maswa, Tanzania
(John Wiley & Sons, Inc., 2021-05-13)Worldwide, open grass areas of savannah ecosystems are being transformed into shrubland. This woody plant encroachment is likely a result of factors such as rainfall, fire and secondary dispersal by ungulate herbivory. ... -
The randomness and uncertainty in dynamics of lymphatic filariasis: CTMC stochastic approach
(EPJ PLUS - Condensed Matter and Complex Systems, 2024-02-15)Lymphatic filariasis represents the primary cause of long-term, permanent disability, and dysfunction in the human immune system. In this study, we have devised and assessed deterministic and continuous-time Markov chain ... -
Rangeland forage availability and management in times of drought – A case study of pastoralists in Afar, Ethiopia
(Elsevier, 2017-04)Many Eastern African rangelands comprise marginal land, where climatic conditions are poor, access rights are increasingly limited, and land degradation is progressing. We conducted participatory land use mapping and ... -
Rare earth elements and uranium in Minjingu phosphate fertilizer products: Plant food for thought
(ELSEVIER, 2024-08-01)Minjingu phosphate ore is Tanzania's sole domestic supply of phosphorus (P). The ore contains medium to high concentrations of naturally occurring P2O5 (20–35 %) and relevant concentrations of uranium and rare earth elements ... -
Re-emergence of Bovine Brucellosis in Smallholder Dairy Farms in Urban Settings of Tanzania
(Journal of Applied Life Sciences International, 2018-04-30)Aims: Brucellosis infection was previously encountered in all livestock farming systems in Tanzania but reported to decline below 2% in smallholder dairy subsector due to the stringent calf-hood vaccination using S19 ... -
Re-introducing Politics in African Farmer-Led Irrigation Development: Introduction to a Special Issue
(Water Alternatives, 2019-02)This introduction is a reflexive piece on the notion of farmer-led irrigation development and its politics. It highlights the way the varied contributions to the Special Issue support a shared perspective on farmerled ... -
Real time battery voltage level monitoring system for telecommunication towers a case study: Habari Node public limited company Arusha, Tanzania
(NM-AIST, 2022-07)Voltage fluctuations in batteries during consumption are amongst the challenges facing telecommunication towers. Due to these fluctuations, many injuries that cause deaths and environmental poisoning have been reported. ... -
Real-time IoT-based air quality monitoring and health hazards indicator system for mines regions: a case study of Bulyanhulu gold mine
(NM-AIST, 2023-07)Air quality in mining regions is a significant concern due to the potential release of pollutants from mining activities and associated processes. The proximity of mining operations to communities can have detrimental ... -
Real-Time IoT-Based Air Quality Monitoring and Health Hazards Indicator System for Mines Regions: A Case Study of Bulyanhulu Gold Mine
(International Journal of Computer Science and Mobile Computing, 2023-07)Air quality in mining regions is a significant concern due to the release of pollutants from mining activities, posing health risks to nearby communities. However, limited information on air quality levels often leads ... -
Realizing UN decade on ecosystem restoration through a nature-based approach: A case review of management of biological invasions in protected areas
(PLOS Sustainability and Transformation, 2022-08-18)As the influx of different invasive species and their spread to new areas increases, there is a need for a rigorous and relevant scientific evidence-based control and restoration (EBCR) approaches to inform practical ...
