Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Prasak Thavornyutikarn"'
Autor:
Prasak Thavornyutikarn, Suchart Kiatwattanacharoen, Somporn Chantara, Somsorn Singharat, Tippawan Prapamontol
Publikováno v:
Chiang Mai University Journal of Natural Sciences. 16
Autor:
Waraphan Phornwisetsirikun, Tippawan Prapamontol, Somporn Chantara, Prasak Thavornyutikarn, Somrak Rangkakulnuwat
Publikováno v:
Chiang Mai University Journal of Natural Sciences. 15
Autor:
Maliwan Saouy, Petch Pengchai, Jomjun Nateewattana, Somporn Choonluchanon, Siripen Trichaiyaporn, Prasak Thavornyutikarn, Jintapat Nateewattana
Publikováno v:
Environmental Monitoring and Assessment. 165:585-594
Mae Moh is a risky area for arsenic contamination caused by the effluent from biowetland ponds in Mae Moh lignite-fuelled power plant. The objective of this study was to investigate the arsenic concentrations of Mae Moh biowetland ponds and determine
Autor:
Ampica Mangklabruks, Dana B. Barr, P. Barry Ryan, Tippawan Prapamontol, Mark G. Robson, Somporn Chantara, Parinya Panuwet, Warangkana Naksen, Prasak Thavornyutikarn
Publikováno v:
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences. 1025
Organophosphate (OP) pesticides are widely used for crop protection in many countries including Thailand. Aside from causing environmental contamination, they affect human health especially by over-stimulating of the neurotransmission system. OP pest
Autor:
M.A. Bannwarth, W. Sangchan, C. Hugenschmidt, Prasak Thavornyutikarn, Thilo Streck, Joachim Ingwersen, Klaus Schwadorf, K. Pansombat
Publikováno v:
Environmental monitoring and assessment. 186(2)
The increasing application of pesticides in the uplands of northern Thailand has increased the transfer of pesticides to surface water. To assess the risk of pesticide use for stream water quality, we monitored the concentrations of seven pesticides
Autor:
C. Santasup, Ampica Mangklabruks, N. Pakvilai, Somporn Chantara, Prasak Thavornyutikarn, Tippawan Prapamontol
Publikováno v:
Sustainability Today.
This study was conducted in four intensive agricultural areas of the Fang district, Chiang Mai, northern Thailand. The objective of this study was to determine synthetic pyrethroid residues in vegetable, fruit, sediment, and surface water samples. Fr
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Publikováno v:
Journal of Organometallic Chemistry. 35:149-154
The IR and Raman spectra of a series of diaryl ditellurides, R 2 Te 2 (R = Ph, p -CH 3 C 6 H 4 , 2-naphthyl, p -MeOCC 6 H 4 , p EtOCC 6 H 4 and p -PhOCC 6 H 4 ), are presented. Detailed assignments of the spectra below 400 cm −1 are offered for Ph
Publikováno v:
Journal of Organometallic Chemistry. 50:135-143
The hydrolysis of aryltellurium trihalides to aryltellurium oxide halides in neutral aqueous media is considered to proceed in a stepwise manner in which the first stage involves the formation of a monomeric species. In alkaline media the initially i
Autor:
Prasak Thavornyutikarn
Publikováno v:
Journal of Organometallic Chemistry. 51:237-239
The application of atomic absorption spectroscopy to the determination of tellurium in organotellurium compounds is described. The samples are decomposed using a mixture of concentrated nitric and perchloric acids and an aqueous solution of telluric