نتایج جستجو برای: 226ra activity

تعداد نتایج: 1134630  

Journal: :Journal of Radioanalytical and Nuclear Chemistry 2012

Journal: :Frontiers in Marine Science 2022

The vertical activity concentration distributions of the radium isotopes, 226 Ra and 228 Ra, which are useful as radiotracers, were obtained for first time in western Subarctic Pacific Gyre (WSAG). It was possible to detect short-lived present from surface 400 m depth by analyzing large seawater samples. Low high concentrations layer WSAG strongly influenced upwelled deeper water with nutrients...

N.N. Jibiri, P.E. Biere,

Background: Presently, the British-American Tobacco Company (BAT) located in Ibadan, Oyo State is the only tobacco producing company in Nigeria accounting for about nine different brands of cigarette tobacco smoked in the country. The tobacco leaves are produced from some farmlands located in Oke-Ogun area of Ibadan where special fertilizers are used for the growing of the tobacco leav...

Journal: :iranian journal of radiation research 0
a. abbasi nuclear science and technology institute, (nsti), tehran, iran v. bashiry faculty of engineering, cyprus international university, nicosia, northern cyprus, mersin 10, turkey

background: radium-226 (226ra) is a product of the 238u radionuclide decay series that significantly incorporated into the human body through water intake. it can also potentially cause a series of health problems including cancers of the digestive system. radium-226 (226ra) is a product of the 238u radionuclide decay series that significantly incorporated into the human body through water inta...

Journal: :Minerals 2022

Arranged from oldest to youngest, the main granitic rock units exposed in Khour Abalea are metagabbros, cataclastic rocks, ophiolitic melange, pegmatite and lamprophyre dykes. The presence of radioactivity associated with heavy bearing minerals construction materials—like granite—increased interest extraction process. As it turns out, rocks play an important economic part examination area’s sur...

Journal: :International journal of radiation research 2021

Background: This study aimed to investigate the radiation hazard indices from sand samples of Ma’rib Governorate in Yemen, where majority oil and gas facilities are installed. Methods Materials: Thirty five desert Yemen were collected tested their by using High Purity Germanium (HPGe) detector. Results: Based on measurement concentrations 226Ra, 232Th, 40K, radium equivalent activity (Raeq), co...

Journal: :Journal of Marine Science and Engineering 2023

The underwater gamma-ray spectrometer KATERINA was calibrated in a special tank and then demonstrated the Southern Caspian Sea to determine radioactivity levels seawater as well sediment. simulated marine efficiency of situ detection system validated analyzing high energetic (1764 keV 214Bi 2614 208Tl) peaks using their known activity concentration determined from low energy emissions. analysis...

Journal: :iranian journal of radiation research 0
n.n. jibiri radiation and health physics research laboratory, department of physics, university of ibadan, ibadan, nigeria p.e. biere radiation and health physics research laboratory, department of physics, university of ibadan, ibadan, nigeria

background: presently, the british-american tobacco company (bat) located in ibadan, oyo state is the only tobacco producing company in nigeria accounting for about nine different brands of cigarette tobacco smoked in the country. the tobacco leaves are produced from some farmlands located in oke-ogun area of ibadan where special fertilizers are used for the growing of the tobacco leaves. the u...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید