نتایج جستجو برای: radium equivalent

تعداد نتایج: 141493  

Journal: :iranian journal of radiation research 0
k. kant department of physics, aggarwal college ballabgarh, haryana, india– 121 004 r. gupta department of physics and astro physics, university of delhi, delhi, india r. kumari department of physics, aggarwal college ballabgarh, distt. faridabad, haryana, india n. gupta department of humanities and applied sciences, aitm, palwal haryana, india m. garg faculty of humanities and applied sciences, ymcaust, faridabad (haryana), india

background: vegetation (food stuff) is grown in soil that contains many radioactive elements such as 238u (uranium), 232th (thorium) and 40k (potassium), which may get deposited either due to radioactive fallout or/and by absorption from the soil and can pose serious health hazards. materials and methods: natural radioactivity, radiological hazards and annual effective dose assessment was carri...

Journal: :iranian journal of radiation research 0
q.m. rashed-nizam department of physics, university of chittagong, chittagong-4331, bangladesh m. rahman department of physics, university of chittagong, chittagong-4331, bangladesh m.k. tafader institute of marine science, university of chittagong, chittagong -4331, bangladesh m. zafar institute of marine science, university of chittagong, chittagong -4331, bangladesh a.k.m.s.i. bhuian radioactivity testing and monitoring laboratory, bangladesh atomic energy commission, chittagong medical college campus, chittagong, bangladesh r.a. khan radioactivity testing and monitoring laboratory, bangladesh atomic energy commission, chittagong medical college campus, chittagong, bangladesh

to assess the environmental radioactivity levels and hence to determine the population exposure in kutubdia island, bangladesh the sediment samples were analyzed by using gamma ray spectrometry. in those sediment samples the average activity concentration of natural radionuclides 238u, 232th and 40k were found 15.39±1.67, 38.35±0.76 and 475.51±21.15 bq/kg respectively. the activity concentratio...

2017
Watson and Sons (Electro-Medical), Ltd.

milligram. As representatives in the British Empire "of the Radium Beige (Union Miniere du Haut Katanga), we would like to have an opportunity of correcting this statement. Previous to the discovery of the rich ores in the Belgian Congo, the standard price for radium element was $110 per milligram, and this price was reduced following the production of radium from the Congo ore to $70, equivale...

Journal: :iranian journal of radiation research 0
m. rafique department of physics, university of azad jammu & kashmir muzaffarbad, azad kashmir, pakistan h. rehman department of physics, university of azad jammu & kashmir muzaffarbad, azad kashmir, pakistan matiullah physics division, pinstech, p.o. nilore, islamabad, pakistan f. malik physics division, pinstech, p.o. nilore, islamabad, pakistan m.u. rajput physics division, pinstech, p.o. nilore, islamabad, pakistan s.u. rahman department of physics, comsats institute of information technology, islamabad, pakistan

background: health hazards associated with exposure due to the natural radioactivity which is a part of our physical environment are of great concern. in order to assess the risks associated with exposure due to the natural radioactivity in soil and building materials, extensive studies have been carried out all over the world. the most commonly encountered radionuclide’s are 238u, 232th, their...

Journal: :iranian journal of radiation research 0
s.j. dhawal center for interdisciplinary research, d.y patil university, kolhapur-416004, ms, india g.s. kulkarni department of technology, shivaji university, kolhapur- 416004, ms, india s.h. pawar center for interdisciplinary research, d.y patil university, kolhapur-416004, ms, india

background: the natural radionuclides are always present in soil and care needs to be taken to minimize the radiation dose to humans. these radionuclides are mostly gamma ray emitting radionuclides which contribute to the radiation dose in long term behavior of radionuclides in soil. health hazards associated with natural radioactivity are of great concern and it is necessary to assess risk due...

Abbas Hosseini, Masoomeh Fasih zaban,

Introduction: One of the sources of natural occurring radiation was soils. The purpose of article was to determine soil pollution by radiation absorbed dose rate, radium equivalent activity, external hazard index, annual gonad dose equivalent and annual effective dose equivalent. Methods & Materials: The soil samples was located in Chahbahar city in Blouchestan of Iran, was chosen for studyin...

Journal: :مجله تحقیقات سلامت 0
عباس حسینی abbas hosseini معصومه فصیح زبان masoomeh fasih zaban

introduction: one of the sources of natural occurring radiation was soils. the purpose of article was to determine soil pollution by radiation absorbed dose rate, radium equivalent activity, external hazard index, annual gonad dose equivalent and annual effective dose equivalent. methods & materials: the soil samples was located in chahbahar city in blouchestan of iran, was chosen for studying ...

Journal: :Global Journal of Pure and Applied Sciences 2007

Journal: :iranian journal of radiation research 0
mojisola usikalu department of physics, covenant university, p.m.b 1023, ota, nigeria p.p. maleka environmental radioactivity laboratory, ithemba labs, somerset west, south africa m. malik material science department, ithemba labs, somerset west, south africa k.d. oyeyemi department of physics, covenant university, p.m.b 1023, ota, nigeria o.o. adewoyin department of physics, covenant university, p.m.b 1023, ota, nigeria

background: natural radionuclides are always present in the environment. human exposure to the background radiation is inevitable. it is therefore important to assess health risk associated with these radionuclides. materials and methods: the distribution of natural radionuclides 238u, 232th and 40k in soil samples collected from all the twenty (20) local governments headquarter areas in ogun s...

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