Zobrazeno 1 - 5
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pro vyhledávání: '"Huy Huu Duong"'
Publikováno v:
Science and Technology Development Journal - Natural Sciences. 2:130-137
Since 2013, the Ministry of Natural Resources and Environment published the revision of the “National Technical Regulation on Ambient Air Quality” (QCVN 05:2013/BTNMT), in which the fine particulate matter (PM2.5) was added to the QCVN. However,
Publikováno v:
Science and Technology Development Journal - Natural Sciences. 2:153-160
In the carbonyl sampling of 2, 4- dinitrophenylhydrazine (DNPH) impregnated cartridge, the ozone removal was necessary because ozone reacted with the DNPH derivatives. A commercial ozone scrubber was usually used to remove O3. However, high humidity
Publikováno v:
Science and Technology Development Journal. 19:94-106
Indoor air pollution, especially for the air toxic compounds such as carbonyls, is the most common issue in large cities. Indoor and outdoor air samples were simultaneously collected at six homes to estimate the pollution levels of carbonyl compounds
Publikováno v:
Science and Technology Development Journal. 16:53-60
Radon is a naturally radioactive gas , but it causes lung cancer to humans. The risk of lung cancer due to radiation depends on the amount of radon inhalation and radon exposure time. In Vietnam, radon concentrations are usually determined by RAD7, h
Autor:
Hien Thi To, Huy Huu Duong
Publikováno v:
Science and Technology Development Journal. 14:29-40
Trace metals were a dangerous composition in airborne particulate matter, which may cause hazardous diseases in human. Accurately determination of metal concentration is significant. The analysis needs to have high precision and accuracy. Therefore,