Zobrazeno 1 - 10
of 18
pro vyhledávání: '"D. Otwoma"'
Autor:
Atieno Carmen, C Nyambura, N. O. Hashim, D. Otwoma, F. Omonya Wanjala, M. W. Chege, Jeremiah Monari Kebwaro
Publikováno v:
Journal of Environment Pollution and Human Health. 9:64-70
Radon and thoron gases are produced by radioactive decay of soil and rocks containing uranium and thorium. Radon and thoron in dwellings constructed using soil and rocks rich in uranium and thorium are considered as a major causes of lung cancer espe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ece0c47141415ea1786f3330c11923cf
https://doi.org/10.12691/jephh-9-2-5
https://doi.org/10.12691/jephh-9-2-5
Autor:
N. O. Hashim, C Nyambura, Jeremiah Monari Kebwaro, D. Otwoma, F. O. Wanjala, M. Ndege, S. Bartilol
Publikováno v:
Environmental Monitoring and Assessment. 192
Analysis of elemental concentration in soil and water was carried out in Ortum to ensure safe utilization of soil and water resources for agriculture, industrial, and household purposes. Elemental analysis of soil and water was done using the EDXRF s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56bcc489f1811f251d2b0bca0da12fc6
https://doi.org/10.1007/s10661-020-8070-3
https://doi.org/10.1007/s10661-020-8070-3
Autor:
F. O. Wanjala, N. O. Hashim, Jeremiah Monari Kebwaro, A Mauring, J Bartilol, C Nyambura, M. W. Chege, D. Otwoma
Publikováno v:
Radiation protection dosimetry. 188(1)
The activity concentration of radionuclides 238U, 232Th and 40K in soil and the absorbed dose rate (ADRA) at 1 m above the ground in Ortum was determined. The activity concentration in soils ranged from 33 to 85, 20 to 67 and 148–1019 Bq kg–1, re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5283181b29a73a2e7e9c038a8409650
https://pubmed.ncbi.nlm.nih.gov/31786611
https://pubmed.ncbi.nlm.nih.gov/31786611
Publikováno v:
Radiation Protection Dosimetry. 155:497-504
The radiological hazard of naturally occurring radioactive material in Mount Homa in southwestern Kenya was investigated after 210 point measurements and 44 samples were analysed. In situ measured average outdoor absorbed dose rate in air using surve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d8451f439dd0123c47a59f8e79e7369
https://doi.org/10.1093/rpd/nct031
https://doi.org/10.1093/rpd/nct031
Publikováno v:
Radiation Protection Dosimetry. 71:65-69
Against a background of growing concern over the health risks associated with exposure to natural sources of radiation, a study has been carried out in Kenya in which the activity concentrations of the major radionuclides in some natural building mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e38e51dff90720a998dcd681703b25d
https://doi.org/10.1093/oxfordjournals.rpd.a032036
https://doi.org/10.1093/oxfordjournals.rpd.a032036
Publikováno v:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine. 60(1)
A NaI(Tl)-based gamma spectrometer for the analysis of geological materials was calibrated using the IAEA reference materials RGU-1, RGTH-1 and RGK-1. To simulate typical geological samples, two additional standards were prepared from aliquots of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::154fb10970ce6f39e0377552aa03a49a
https://pubmed.ncbi.nlm.nih.gov/14687639
https://pubmed.ncbi.nlm.nih.gov/14687639
Autor:
A. O. Mustapha, D. Otwoma
Publikováno v:
Health physics. 74(1)
Groundwater samples from different parts of Kenya have been analyzed for their 222Rn concentrations. Samples were drawn from municipal supplies, springs, wells and bore holes in different geological terrains. In the analysis, conventional liquid scin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0726c7bec056dacb6dc95e0f20d850e
https://pubmed.ncbi.nlm.nih.gov/9415586
https://pubmed.ncbi.nlm.nih.gov/9415586
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