Search Results - "Le, Cong Hao"

Levels of 226Ra in groundwater samples collected in Phu Yen province, Vietnam associated with health risks to local population and impacts on the maize (Zea mays L.) soil by Nguyen, Van Thang, Huynh, Nguyen Phong Thu, Le, Cong Hao

“…Groundwater is a major source of drinking water and agricultural water in some regions of the world. However, it contains a high level of 226 Ra that is…”
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Natural Radionuclides in Rice Soils in the Mekong Delta Region, Vietnam: Health Risk, Transfer to Rice, and Long-Term Accumulation in Topsoil by Nguyen, Van Thang, Le, Binh An, Huynh, Nguyen Phong Thu, Le, Cong Hao

“…In the world, many studies have focused on the natural radioactivity in agricultural soils and food crops and the transfers of radionuclides between two…”
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Background Radiation in some Quarries and Quarry Lakes in Binh Duong Province, Vietnam by Nguyen, Van Thang, Huynh, Nguyen Phong Thu, Hong, Huynh Thi Yen, Thy, Truong Huu Ngan, Phuong, Huynh Truc, Le, Cong Hao

“…Operation of some quarries can release radioactive materials from the deep soil to other environments that potentially impact human health. The present study…”
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Radon and radium concentrations in drinkable water supplies of the Thu Duc region in Ho Chi Minh City, Vietnam by Le, Cong Hao, Huynh, Nguyen Phong Thu, Nguyen, Van Thang, Le, Quoc Bao

“…The results of 222Rn and 226Ra activity measurements in drinkable water supplies of the Thu Duc region in Ho Chi Minh City, Vietnam, are presented in this…”
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The effects of some soil characteristics on radon emanation and diffusion by Phong Thu, Huynh Nguyen, Van Thang, Nguyen, Hao, Le Cong

“…The effects of moisture content, grain size, temperature, major elemental composition, and the pH of soils on the radon emanation and diffusion coefficients…”
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Distribution characteristics of radionuclides (226Ra, 234U, and 238U) and ratios (226Ra/234U, 226Ra/238U, and 234U/238U) in quarry lake environment: experimental and model assessment by Nguyen, Van Thang, Le, Cong Hao

“…The abandonment of stone quarries establishes a quarry lake ecosystem that includes soil, water, fish, and vegetarian cover. The activity concentrations (ACs)…”
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Accumulation rates of natural radionuclides (40K, 210Pb, 226Ra, 238U, and 232Th) in topsoils due to long-term cultivations of water spinach (Ipomoea Aquatica Forssk.) and rice (Oryza Sativa L.) based on model assessments: A case study in Dong Nai province, Vietnam by Nguyen, Van Thang, Thu Huynh, Nguyen Phong, Le, Cong Hao

“…In topsoils, the activity concentrations of natural radionuclides (hereafter NRs) increase due to the addition of NRs from fertilizers, irrigation water, and…”
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Uranium isotopes in groundwater in Ho Chi Minh City and related issues: Health risks, environmental effects, and mitigation methods by Van Thang, Nguyen, Thu, Huynh Nguyen Phong, Hao, Le Cong

“…Groundwater is regularly used for many purposes, such as drinking and agricultural irrigation systems. Still, it contains high levels of radionuclides (e.g.,…”
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Natural radioactivity and radon emanation coefficient in the soil of Ninh Son region, Vietnam by Thu, Huynh Nguyen Phong, Thang, Nguyen Van, Loan, Truong Thi Hong, Dong, Nguyen Van, Hao, Le Cong

“…The natural radioactivity (238U, 226Ra, 232Th and 40K) and radon emanation coefficient for 57 soil samples belonging to alluvial, red, forest surface,…”
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Efficiency response of an aged PIPS detector used in high-resolution alpha-particle spectrometry by Huynh Nguyen Phong, Thu, Nguyen Van, Thang, Le Cong, Hao

“…The experimental characterization of an aged PIPS detector used in an alpha-particle spectrometry is performed using a standard mixed source of 238U, 234U,…”
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Mitigation of radium-226 in agricultural soils and influence of soil-to-plant transfer factor and physical–chemical properties of soil by Nguyen, Van Thang, Huynh, Thi Yen Hong, Truong, Huu Ngan Thy, Huynh, Nguyen Phong Thu, Le, Cong Hao

“…The mitigation rate ( R j ) was evaluated for Ra-226 in cultivated soil in twelve fields in Vietnam. For the collected soils, the R j values were between 0.1…”
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Soil radon gas in some soil types in the rainy season in Ho Chi Minh City, Vietnam by Huynh Nguyen, Phong Thu, Nguyen, Van Thang, Vu, Ngoc Ba, Nguyen, Van Dong, Le Cong, Hao

“…Field experiments on soil radon and radium concentrations were carried out in eighteen locations in Ho Chi Minh City, Vietnam. Soil radon depth profiles…”
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Simultaneous correction of the coincidence summing and self-absorption for radioactivity measurement in solid samples by MCNP-CP code by Vuong, Le Quang, Thanh, Tran Thien, Ho, Phan Long, Hao, Le Cong, Van Tao, Chau

“…The present work of this study involves an advanced analytical procedure that allows direct and fast determining the specific activity of 238 U and 235 U using…”
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Treatment for removing radium in soil and groundwater by Huynh, Nguyen Phong Thu, Nguyen, Van Thang, Vu, Ngoc Ba, Le, Cong Hao, Truong, Thi Hong Loan

“…The results of 226Ra activity concentration measurements in 50 soil and groundwater samples in Ninh Son region, Vietnam were evaluated in the present study…”
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Levels of 226Ra in some paddy soils in the Mekong Delta region (Vietnam): current status and long-term assessment by Nguyen, Van Thang, Le, Binh An, Huynh, Nguyen Phong Thu, Le, Cong Hao

“…226 Ra levels in rice, soil, fertilizers, and water samples were analysed in 16 paddy fields in the Mekong Delta region. Levels of this radionuclide in the…”
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Effects of soil erosion on natural radioactivity in water in a typical quarry lake in Vietnam based on model assessment by Nguyen, Van Thang, Huynh, Nguyen Phong Thu, Huynh, Thi Yen Hong, Truong, Huu Ngan Thy, Le, Binh An, Huynh, Truc Phuong, Le, Cong Hao

“…A quarry lake is a quarry that is filled with water after abandonment. In the lake water, natural radionuclides contaminate with a certain level, as a result…”
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Effects of agricultural activities on long-term accumulations of 226Ra and 210Po in topsoil by Nguyen, Van Thang, Huynh, Nguyen Phong Thu, Hong, Huynh Thi Yen, Thy, Truong Huu Ngan, Le, Cong Hao

“…In this study, long-term changes in radioactivity levels in the agricultural soil were assessed by a method in which the major processes contributing to the…”
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The effects of hydrogen peroxide solution and ultrasound on the dissolution of electrodeposited uranium oxide by Van Nguyen, Thang, Phong Huynh Nguyen, Thu, Cong Le, Hao

“…The effects of H 2 O 2 solution and ultrasound in the presence and absence of elevated (80 °C) temperature on the dissolution of electrodeposited uranium oxide…”
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Semi-experimental evaluation for radon exhalation rate and excess lifetime cancer risk from potential radon exposure for using fly ash building materials by Vu, Ba Ngoc, Bui, Thien Ngoc, Huynh, Phong Thu Nguyen, Le, Hao Cong, Huynh, Phuong Truc, Truong, Hong Loan Thi

“…In this work, the radon exhalation, annual effective dose and excess lifetime cancer risks due to the exposure of radon released from raw building materials…”
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Optimization of uranium separation using silica gel impregnated tri-n-butyl phosphate for alpha spectrometry analysis of soil samples by Nguyen, Van Thang, Vi, Xuan Son, Huynh, Nguyen Phong Thu, Le, Cong Hao

“…Silica gel impregnated tri- n -butyl phosphate was used as a chromatography column for extraction of uranium radioisotopes from soil samples. Diluted HNO 3 and…”
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