Zobrazeno 1 - 10
of 35
pro vyhledávání: '"R.L. Njinga"'
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 8, Iss 2, Pp 208-215 (2015)
The preliminary investigation of the activity concentration of Naturally Occurring Radioactive Materials (NORMs) in seven different medicinal plants; Anacardium occidentale, Azadirachta indica, Daniella oliveri, Moringa oleifera, Psidium guajava, Ter
Externí odkaz:
https://doaj.org/article/761b4bc4b1f64fa6a8caf98c2497bbb9
Akademický článek
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Autor:
R.L. Njinga, Victor M. Tshivhase
Publikováno v:
Exposure and Health. 11:47-57
The study aimed at quantifying the levels of three major chemical carcinogens (MCCs): Pb, Cd, and Cr in wells, boreholes, and river water sources using HRCS AAS of Bagega, Sunke, and Dareta villages of Zamfara State, Nigeria; estimating daily MCC int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::803263013335349b8faae4d0de718615
https://doi.org/10.1007/s12403-017-0265-7
https://doi.org/10.1007/s12403-017-0265-7
Autor:
Nnenesi A. Kgabi, R.L. Njinga, Victor M. Tshivhase, L.E. Motsei, Hilma Rantilla Amwele, Gideon Kalumbu
Publikováno v:
Journal of Toxicology and Environmental Health Sciences. 9:66-72
This study assesses the health risk of metals concentration in spinach and onions obtained from different suppliers (suppliers 1, 2, 3, 4 and 5) in Mafikeng, South Africa. The following elemental concentrations of As, Ba, Bi, Cu, Cr, Co, I, Mn, Ni, P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f27b80d4e7433212dc6fe99d17d842bf
https://doi.org/10.5897/jtehs2016.0375
https://doi.org/10.5897/jtehs2016.0375
Publikováno v:
Mine Water and the Environment. 37:98-105
This study evaluated the activity concentration of 238U, 226Ra, 232Th, and 40K around the Princess Gold Mine dump in Roodepoort, South Africa using gamma spectrometry and ICP-MS. The soil contained a high concentration of 238U at a depth of 1 m and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5195f4ad659324c9f9d145f85e97775
https://doi.org/10.1007/s10230-017-0474-0
https://doi.org/10.1007/s10230-017-0474-0
Autor:
R.L. Njinga, Victor M. Tshivhase
Publikováno v:
Mine Water and the Environment. 36:638-645
The gross alpha and beta activity in treated water from one of the numerous gold mines in Gauteng province averaged 1.15 ± 0.13 and 0.87 ± 0.11 Bq L−1, respectively. The average readings of the fissure water from the same mine were 0.56 ± 0.10 a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b0272589ae4acde9099628d7eafc9b5
https://doi.org/10.1007/s10230-017-0469-x
https://doi.org/10.1007/s10230-017-0469-x
Akademický článek
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Autor:
Victor M. Tshivhase, R.L. Njinga
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 9, Iss 3, Pp 310-315 (2016)
This study is aimed to evaluate the soil radionuclides' activity concentrations and environmental outdoor gamma dose rates in Tudor Shaft mine environs, South Africa. The excess lifetime cancer risks are also calculated. Outdoor gamma dose rates were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::287f966f37ac26d7ff283dfa4c3892e2
https://doi.org/10.1016/j.jrras.2016.02.003
https://doi.org/10.1016/j.jrras.2016.02.003
Publikováno v:
Exposure and Health. 8:457-464
The activity level of natural uranium pollutant in surface-based water around Princess Gold Mine in Roodepoort, South Africa was measured using inductively coupled plasma mass spectrometry. The highest activity level of 6.39E+04 mBq/L is reported in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::486ef876fed1b298a9234551de25a861
https://doi.org/10.1007/s12403-016-0203-0
https://doi.org/10.1007/s12403-016-0203-0
Publikováno v:
Advances in Energy Research. 3:125-131
Prompt neutron lifetime calculations have been performed for the NIRR-1 reactor HEU and LEU cores using the 1/v insertion and the Adjoint flux weighing methods. Results of calculations obtained for the HEU and LEU cores are respectively 57.3+-0.8 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d65bbef559260519893e3db40442dc04
https://doi.org/10.12989/eri.2015.3.2.125
https://doi.org/10.12989/eri.2015.3.2.125