Browsing by Title
Now showing items 1607-1626 of 2034
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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 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 ... -
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. ... -
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 ... -
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
(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 ... -
Recent advances in thermochemical conversion of biomass into drop-in fuel:a review
(Elsevier, 2022)The global evolutional changes towards the use of renewable energy sources for trans- portation purposes are on the increase in an attempt to mitigate the environmental haz- ard and the proposed depletion associated with ... -
Recent advances in thermochemical conversion of biomass into drop-in fuel:a review
(Elseiver, 2022)The global evolutional changes towards the use of renewable energy sources for trans- portation purposes are on the increase in an attempt to mitigate the environmental haz- ard and the proposed depletion associated with ... -
Recent advances in thermochemical conversion of biomass into drop-in fuel:a review
(Elsevier B.V., 2022-09)The global evolutional changes towards the use of renewable energy sources for trans- portation purposes are on the increase in an attempt to mitigate the environmental haz- ard and the proposed depletion associated with ... -
Recent developments in Lablab purpureus genomics: A focus on drought stress tolerance and use of genomic resources to develop stress-resilient varieties
(John Wiley & Sons, Inc., 2021-06-09)Drought is a major climatic challenge that contributes significantly to the decline of food productivity. One of the strategies to overcome this challenge is the use of drought-tolerant crops with a wide range of benefits. ... -
Recent rise in exploitation of Tanzanian octopuses: a policy and management challenge
(AJOL, 2022-11-29)The artisanal octopus fishery is important for the coastal communities in Tanzania. In this work the octopi landing data from the United Nations Food and Agriculture Organization (FAO), Ministry of Livestock and Fishery ... -
Reconstructing Historical Distribution of Large Mammals and their Habitat to Inform Rewilding and Restoration in Central Tanzania
(SAGE Publications Ltd, 2023-04-05)Backgroundand research aim:In the anthropogenic landscapes where historically wildlife existed, there can be a potential for rewilding to reverse extinction. However, there is limited literature providing approaches to ... -
Reconstructing the Changes in Sedimentation and Source Provenance in East African Hydropower Reservoirs: A Case Study of Nyumba ya Mungu in Tanzania
(MDPI, 2021-08-08)This study aimed to reconstruct the sedimentation rates over time and identify the changing sources of sediment in a major hydropower reservoir in Tanzania, the Nyumba ya Mungu (NYM). Fallout 210Pb measurements were used ...
