QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：其他     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Sensitive determination of cholesterol and its metabolic steroid hormones by UHPLC-MS/MS via derivatization coupled with dual ultrasonic-assisted dispersive liquid-liquid microextraction 其他 2016-01-01 Zhao, Xian-En; Yan, Ping; Wang, Renjun; Zhu, Shuyun; You, Jinmao; Bai, Yu; Liu, Huwei 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/04 TANDEM MASS-SPECTROMETRY  HPLC-UV  CHROMATOGRAPHY  PLASMA  IONIZATION  ALCOHOLS  DIHYDROTESTOSTERONE  TESTOSTERONE  ESTROGENS  SAMPLES   Laboratory simulation study of photo- degradation process of fenvalerate in aqueous solution 其他 2013-01-01 Liang, Yanru; Wen, Yuyun; Hong, Xiaoyan; Gong, Zhenbin; Li, Wenquan; 弓振斌; 李文权 收藏  |  浏览/下载：4/0  |  提交时间：2015/07/22 Degradation  Fluorescence  High performance liquid chromatography  Kinetics  Mass spectrometry  Molecules  Pesticides  Photodegradation  Reaction rates   Monolithic molecularly imprinted solid-phase extraction for the selective determination of trace cytokinins in plant samples with liquid chromatography-electrospray tandem mass spectrometry 其他 2012-01-01 Du, Fuyou; Ruan, Guihua; Liang, Shenghua; Xie, Fuwei; Liu, Huwei 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Observation of organochlorine pesticides in the air of the Mt. Everest region 其他 2006-01-01 Li, J; Zhu, T; Wang, F; Qiu, XH; Lin, WL 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 organochlorine pesticides  global transport  air concentrations  high mountains  backward trajectory  technical DDT  cold condensation  POLYCYCLIC AROMATIC-HYDROCARBONS  MOUNTAIN LAKE WATERS  WESTERN CANADA  HIGH-ALTITUDE  OCEANIC AIR  HEXACHLOROCYCLOHEXANE  POLLUTANTS  EMISSION  SEDIMENT  FLUXES