Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Jian-Hua Weng"'
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 39:328-333
Quercetin, kaempferol and isorhamnetin are the most important constituents in ginkgo flavonoids. A simple, rapid and sensitive high-performance liquid chromatography method was developed to simultaneously determine quercetin, kaempferol and isorhamne
Autor:
Lian-Fen Huang, Shin-ichi Fujita, Cheng-Kang Li, Hui-Kang Kim, Akira Takahashi, Fu-Tien Jeng, Frank T.C. Huang, Jian-Hua Weng
Publikováno v:
Atmospheric Environment. 34:525-537
The chemical composition of precipitation in East Asia was analyzed on the basis of the results of cooperative monitoring performed during the period from 1992 to 1993. The wet deposition of soluble ions was characterized by two major factors; the ge