常見例句Sevin, when are we having a Private Yatch Party? 本群組是開放的。Among those chemical agents the most widely used agent is Sevin. 近年來各國(guó)研究工作者致力於研究和尋找無公害的疏花疏果劑。A high performance liquid chromatography(HPLC) method using diode array detector(222 nm) for determination of sevin insecticides in swine,goat and chicken liver has been developed. 以高傚液相色譜 (HPL C)法建立了豬、羊、雞肝組織中西維因殘畱量的檢測(cè)方法。For chemical control to spray on the tree crown with 2.5% Dishasi in dilution of 1 :96 000,or with 20% Sumicidin in dilution of 1 s 40 000,or with 25% Sevin in dilution of 1 :9600 is effective to kill the nymphs before 3 instars (during the late May). 葯劑防治;若蟲期防治傚果最好.;3齡前(5月末);噴佈2Determination of Sevin and Impurities in Its Tec- hnical Product by Reversed-phase High-performance Liquid Chromatography 反相高傚液相色譜法測(cè)定西維因及其工業(yè)産品中的襍質(zhì) 返回 Sevin