Search Results - "Hien, P.D."

Excessive electricity intensity of Vietnam: Evidence from a comparative study of Asia-Pacific countries by Hien, P.D.

“…As electricity consumption in Vietnam has continued to increase much faster than has GDP, electricity intensity (EI) in the country has risen to levels far…”
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Concentrations of NO2, SO2, and benzene across Hanoi measured by passive diffusion samplers by Hien, P.D., Hangartner, M., Fabian, S., Tan, P.M.

“…The concentrations of NO2, SO2, and benzene were measured by passive diffusion samplers at 96 sites across Hanoi consisting of 80 sites in the inner city…”
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Atmospheric radionuclides from the Fukushima Dai-ichi nuclear reactor accident observed in Vietnam by Long, N.Q., Truong, Y., Hien, P.D., Binh, N.T., Sieu, L.N., Giap, T.V., Phan, N.T.

“…Radionuclides from the reactor accident at the Fukushima Dai-ichi Nuclear Power Plant were observed in the surface air at stations in Hanoi, Dalat, and Ho Chi…”
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Modeling the erosion-induced fractionation of soil organic carbon aggregates on cultivated hill slopes through positive matrix factorization by Hien, P.D., Bac, V.T., Dung, B.D., Long, N.Q., Phuong, T.D., Quang, N.H.

“…•137Cs, soil components were measured in 56 samples taken across 5 cultivated hill slopes.•Compositions and redistribution pathways of 5 soil aggregates were…”
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Influence of meteorological conditions on PM2.5 and PM2.5−10 concentrations during the monsoon season in Hanoi, Vietnam by Hien, P.D., Bac, V.T., Tham, H.C., Nhan, D.D., Vinh, L.D.

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Redistributions of 137Cs and soil components on cultivated hill slopes with hedgerows as conservation measures by Hien, P.D., Dung, B.D., Phien, T.

“…137Cs tracing technique combined with soil composition characterization was used to investigate the mechanism and effectiveness of conservation measures for…”
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Impact of urban expansion on the air pollution landscape: A case study of Hanoi, Vietnam by Hien, P.D., Men, N.T., Tan, P.M., Hangartner, M.

“…[Display omitted] •NO2 and SO2 concentrations were measured at 176 sites across 14 districts of Hanoi.•NO2/SO2 decrease from 70/51 µg m−3 in urban core to…”
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Atmospheric transport of 131I and 137Cs from Fukushima by the East Asian northeast monsoon by Long, P.K., Hien, P.D., Quang, N.H.

“…The Lagrangian particle dispersion model FLEXPART was used to simulate atmospheric dispersion of radionuclides from the Fukushima nuclear power plant (FNPP)…”
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A comparative study of research capabilities of East Asian countries and implications for Vietnam by Hien, P. D

“…This paper presents a comparative study of research performance of 11 East and Southeast Asian countries based upon the total number of peer-refereed…”
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Air pollution episodes associated with East Asian winter monsoons by Hien, P.D., Loc, P.D., Dao, N.V.

“…A dozen multi-day pollution episodes occur from October to February in Hanoi, Vietnam due to prolonged anticyclonic conditions established after the northeast…”
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Environmental radionuclides in surface soils of Vietnam by Hien, P D, Hiep, H T, Quang, N H, Luyen, T V, Binh, N T, Ngo, N T, Long, N Q, Bac, V T

“…A database on 238U, 232Th, 40K, and 137Cs in surface soils was established to provide inputs for the assessment of the collective dose to the population of…”
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Derivation of 137Cs deposition density from measurements of 137Cs inventories in undisturbed soils by Hien, P.D., Hiep, H.T., Quang, N.H., Huy, N.Q., Binh, N.T., Hai, P.S., Long, N.Q., Bac, V.T.

“…The 137Cs inventories in undisturbed soils were measured for 292 locations across the territory of Vietnam. The logarithmic inventory values were regressed…”
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PMF receptor modelling of fine and coarse PM10 in air masses governing monsoon conditions in Hanoi, northern Vietnam by HIEN, P. D, BAC, V. T, THINH, N. T. H

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Comparative receptor modelling study of TSP, PM2 and PM2−10 in Ho Chi Minh City by Hien, P.D., Binh, N.T., Truong, Y., Ngo, N.T., Sieu, L.N.

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Investigation of sulfate and nitrate formation on mineral dust particles by receptor modeling by Hien, P.D., Bac, V.T., Thinh, N.T.H.

“…The formation of sulfate and nitrate by heterogeneous reactions of gaseous precursors on mineral dust particles was investigated using positive matrix…”
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PMF receptor modelling of fine and coarse PM 10 in air masses governing monsoon conditions in Hanoi, northern Vietnam by Hien, P.D., Bac, V.T., Thinh, N.T.H.

“…Fine and coarse PM 10 samples collected in Hanoi in 1999–2001 were analysed for black carbon (BC) and water soluble ions (WSI) and measured data were…”
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Influence of meteorological conditions on PM 2.5 and PM 2.5−10 concentrations during the monsoon season in Hanoi, Vietnam by Hien, P.D., Bac, V.T., Tham, H.C., Nhan, D.D., Vinh, L.D.

“…Twenty-four hour samples of air particulate matter with aerodynamic diameters from 2 to 10 μm (PM 10) and <2.5 μm (PM 2.5) were collected in Hanoi throughout 1…”
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Comparative receptor modelling study of TSP, PM 2 and PM 2−10 in Ho Chi Minh City by Hien, P.D., Binh, N.T., Truong, Y., Ngo, N.T., Sieu, L.N.

“…Elemental compositions were measured for TSP (total suspended particulate matter), PM 2−10 and PM 2 (particulate matter with aerodynamic diameters from 2 to 10…”
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Temporal variations of source impacts at the receptor, as derived from air particulate monitoring data in Ho Chi Minh City, Vietnam by Hien, P.D., Binh, N.T., Truong, Y., Ngo, N.T.

“…Varimax rotation factor analysis was applied to monthly concentrations of elements in total suspended air particulate (TSP) matter in Ho Chi Minh City…”
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239+240Pu, 90Sr and 137Cs inventories in surface soils of Vietnam by Quang, N.H., Long, N.Q., Lieu, D.B., Mai, T.T., Ha, N.T., Nhan, D.D., Hien, P.D.

“…Fallout 239+240Pu, 238Pu, 90Sr and 137Cs inventories in surface soils were measured for 20 locations in northern Vietnam yielding the mean values (± standard…”
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