The method was established for purification of diflubenzuron by crystal technique with mixed solvents.本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术.The separation and determination of the primary impurities of diflubenzuron by liquid chrom...
他现在拥有970家连锁食品店.He now owns a chain of 970 food stores.所有的元件严密地连锁在一起.All the units interlock with one another rigidly.这家超大型连锁加油站有各种名牌食品 、 洁净的卫生间 、 友好的服务并且结帐迅速.The hypermarket stations had a wide selection of branded foods...
If it can be done full-size, I can do it in miniature.如果可以做成与原物相同大小的，我就可以做成缩微的。Games are real life in miniature.游戏是现实生活的缩影.Paris is France in miniature.巴黎是法国的缩影....