نتایج جستجو برای: concentration index

تعداد نتایج: 760208  

Journal: :iranian journal of radiation research 0
s. murugesan department of physics, sathyabama university, chennai-600 119, tamilnadu, india s. mullainathan department of physics, a.v.c college of engineering, mayiladuthurai-608 002, tamilnadu, india v. ramasamy department of physics, annamalai university, annamalainagar-608 002, tamilnadu, india v. meenakshisundaram health and safety division, indira gandhi centre for atomic research, kalpakkam – 603102, tamilnadu, india

background: natural radiation is constantly present in the environment and is emitted from a variety of natural and artificial sources. it affects human body and environment. materials and methods: the activity concentrations of 238u, 232th and 40k have been determined by gamma ray spectrometer with an hpge detector in sediments of cauvery river, tamilnadu, india. results: the absorbed dose rat...

Mansoreh Khalatbari Mohammad Nasri,

New irrigation methods under different nutritional element supplies for maize production was designed and tested for evaluate quantitative and qualitative parameters by split-plot arrangement according complete randomized block design with three replications. Different Irrigation regimes was belonged to main plots (Conventional furrow irrigation: CFI or A1, Alternate furrow irrigation: AFI or A...

Journal: :IEEE Transactions on Knowledge and Data Engineering 2017

Journal: :IOP Conference Series: Earth and Environmental Science 2020

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