南京地区卫矛矢尖蚧Unaspis euonymi Comstock一年发生3代.Unaspis euonymi ( Comstock ) is an important pest of eucinymus plants.去水卫矛醇 ( DAG ) 与长春新碱 ( VCR ) 联合使用,对小鼠淋巴细胞白血病L_ ( 1210 ) 有协同疗效,疗效强度决定于给药方案和剂量.The combined effect of 1,2:5,6 - d...
为了控制水流，防洪闸门关闭了。The floodgate is closed to control the flow of water.好,喝茶吧, 喝完后我送你过闸门.Aye, Drink up, then, and I'll see you through the lock.他们用水闸门控制水的流量.They regulate the flow of water by the sluice gate....
This vast archive has been indexed and made accessible to researchers.这个存量巨大的档案室的所有文件都已编了索引，可供研究人员使用。She went to the city archive this morning.她今天上午去了市档案馆。In fact, it presupposes an excellent legal archive or law library...
在这种情形中,有两种几乎不能互变的变态.There are two almost non - interconvertible modifications.酮及烯醇互变是互变作用最普通的现象, 它们都是真实的化学实体.Keto - enol tautomerism is the most common tautomery phenomenon. Keto - enol themselves are the real chemical s...