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Dose Equivalent

Time changes of dose equivalent rate above the soil surface as indication of natural attenuation processes

Time changes of dose equivalent rate above the soil surface as indication of natural attenuation processes

... Air dose equivalent rates at a height of 1 m were determined at all sites using an ALOKA pocket survey meter ...gamma dose equiv- alent rates above soil surface at all selected ...

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The Effect of Soil Radioactivity in Pollution

The Effect of Soil Radioactivity in Pollution

... Results: The natural radioactivity doses of soil in the studied samples resulted in 42.92 ±4.03 nGy h-1 (average absorbed dose rate), 86.79±8.26 Raeq per Bqkg-1 (radium equivalent activity), 8231.86±327.76 ...

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Natural Radioactivity Levels and Estimation of Radiation Exposure in Environmental Soil Samples from Tulkarem Province Palestine

Natural Radioactivity Levels and Estimation of Radiation Exposure in Environmental Soil Samples from Tulkarem Province Palestine

... 1993, 2000) [1,4]. Thus, the radioactive impact and the additional external radiation exposure for population due to soils were negligible, and consequently, the possible increase might be due to: 1) radon flux from the ...

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Radiation protective structures on the base of a case study for a manned Mars mission

Radiation protective structures on the base of a case study for a manned Mars mission

... tive dose equivalent E and estimation of health risks are widely uncertain due to the limitations in radio- biological data and knowledge, especially for HZE ...

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Basement data of the Terrestrial Radionuclide Level of Abuja Federal Capital Territory, (FCT), Nigeria

Basement data of the Terrestrial Radionuclide Level of Abuja Federal Capital Territory, (FCT), Nigeria

... A total of 30 samples were collected from six different locations from of Abuja Federal Capital Territory (FCT), the administrative capital of Nigeria which is situated in the central part of the country. The samples ...

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Assessment of Radionuclide Content of Shore Sediments Collected from the Bank of River Benue, North Central Nigeria

Assessment of Radionuclide Content of Shore Sediments Collected from the Bank of River Benue, North Central Nigeria

... (Absorbed dose D, Annual effective dose equivalent AEDE, Radium equivalent Raeq, and External hazard index Hex) were found to be below their respectively permissible safety ...

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Assessment of Annual Effective Dose from Measured Soil Radioactivity Levels Using HPGe Detector

Assessment of Annual Effective Dose from Measured Soil Radioactivity Levels Using HPGe Detector

... radium equivalent activity and the external hazard index determined in the soil of the study area are less than the recommended safe ...absorbed dose rate and annual effective dose equivalent ...

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Radiation modeling in the Earth and Mars atmospheres using LRO/CRaTER with the EMMREM Module

Radiation modeling in the Earth and Mars atmospheres using LRO/CRaTER with the EMMREM Module

... Abstract We expand upon the efforts of Joyce et al. (2013), who computed the modulation potential at the Moon using measurements from the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) instrument on the Lunar ...

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Radiation hazard index and excess lifetime cancer risk due to natural radioactivity in environmental matrix waste dumpsite, Rivers state.

Radiation hazard index and excess lifetime cancer risk due to natural radioactivity in environmental matrix waste dumpsite, Rivers state.

... absorbed dose rate, annual effective dose equivalent (outdoor and indoor) (AEDE), hazard indices (H ex and H in ), activity utilization index (I) ...

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Investigation of Radionuclide Levels in Groundwater Around Transmission Company of Nigeria for Environmental Impact Assessment

Investigation of Radionuclide Levels in Groundwater Around Transmission Company of Nigeria for Environmental Impact Assessment

... absorbed dose rate, the annual effective dose equivalent, internal hazard index, external hazard index, annual gonadal dose equivalent, and representative gamma index and radium ...

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Processing of Landsat 8 Imagery and Ground Gamma Ray Spectrometry for Geologic Mapping and Dose Rate Assessment, Wadi Diit along the Red Sea Coast, Egypt

Processing of Landsat 8 Imagery and Ground Gamma Ray Spectrometry for Geologic Mapping and Dose Rate Assessment, Wadi Diit along the Red Sea Coast, Egypt

... Maximum Likelihood (MLH) supervised classification of atmospherically corrected Landsat 8 im- agery was applied successfully for delineating main geologic units with a good accuracy (about 90%) according to reliable ...

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Evaluation of Radioactivity Level and Its Radiological Impact in Soil Samples Around Transmission Company of Nigeria

Evaluation of Radioactivity Level and Its Radiological Impact in Soil Samples Around Transmission Company of Nigeria

... Abstract: The aim of this study is to estimate the activity concentrations and radiological assessment of soils around high- tension cables, Transmission company of Nigeria, Osogbo, Nigeria. Surface and control soils ...

6

Standardization of 241Am Be neutron radiation field to characterize the moderated (9″) neutron detector

Standardization of 241Am Be neutron radiation field to characterize the moderated (9″) neutron detector

... field dose equivalent (FFDE): The calculated FFDE reasonably simulates the FFDE free-in-air that excludes the ambiance scattering effect on the neutron ...

7

INFLUENCE OF INTEGRATED NUTRIENT AND WEED MANAGEMENT PRACTICES ON GROWTH AND YIELD OF TRANSPLANTED LOWLAND RICE

INFLUENCE OF INTEGRATED NUTRIENT AND WEED MANAGEMENT PRACTICES ON GROWTH AND YIELD OF TRANSPLANTED LOWLAND RICE

... recommended dose of (RDF) NPK through inorganic fertilizers , 75% recommended dose of N+ recommended dose of P and K+ 25% N on equivalent basis of vermicompost , 75% recommended dose of ...

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NATURAL RADIOACTIVITY OF U-238, Th-232 AND K-40 IN SURFACE SOIL OF BAGHDAD, NAHRAIN AND AL-MUSTANSIRIYAH UNIVERSITY IN IRAQ

NATURAL RADIOACTIVITY OF U-238, Th-232 AND K-40 IN SURFACE SOIL OF BAGHDAD, NAHRAIN AND AL-MUSTANSIRIYAH UNIVERSITY IN IRAQ

... effective dose rates (E) is an important parameter in order to judge the health effects of the absorbed ...effective dose rates, the conversion coefficient from absorbed dose in air to effective ...

9

Influence of Dosimetric Considerations in Evaluating Second Cancer Risks in Prostate Cancer

Influence of Dosimetric Considerations in Evaluating Second Cancer Risks in Prostate Cancer

... Influence of dosimetric considerations in evaluating second cancer risks in prostate cancer. Material and methods: Fifteen patients in this study suffering from early stage of prostate cancer, each patient underwent ...

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Pulmonary response to intratracheal instillation of ultrafine versus fine titanium dioxide: role of particle surface area

Pulmonary response to intratracheal instillation of ultrafine versus fine titanium dioxide: role of particle surface area

... into rats (1 or 5 mg/kg) and compared measured pulmo- nary parameters to animals instilled with crystalline silica (used as a positive control). They monitored inflamma- tion as PMN influx and cytotoxicity as LDH ...

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Determination of Background Ionizing Radiations in Selected Buildings in Nairobi County, Kenya

Determination of Background Ionizing Radiations in Selected Buildings in Nairobi County, Kenya

... Radiation has been found to be beneficial on one hand and harmful on the other hand and is encountered in everyday activities in various forms and different intensities. Some of the harmful effects are: cancer, cataract, ...

7

Estimation of Equivalent Radaition Dose on Dumping Sites near Residential Area in Ojota, Lagos Nigeria

Estimation of Equivalent Radaition Dose on Dumping Sites near Residential Area in Ojota, Lagos Nigeria

... The Equivalent dose rate measured 1m above the surface at each point within the site is presented in (Table ...radiation dose rates were found to change significantly with the change in altitude and ...

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The Experimental Gamma Radiation Dose Rate for Radiation Hazard into Adhesive Building Materials in Saudi Arabia

The Experimental Gamma Radiation Dose Rate for Radiation Hazard into Adhesive Building Materials in Saudi Arabia

... radium equivalent activity, gamma index, absorbed dose rate and the annual exposure rate, were calculated to assess the radiation hazards as- sociated with Saudian ...

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