研究骨胶与表氯醇的接枝共聚反应.Grafting copolymerization of epichlorohydrin and bone glue was investigated.传统的氯醇化方法为气相循环法.The conventional method is the gas - phase recycling method.设备方案.该项目主要生产设备为氯醇化反应器 、 皂化塔 、 精馏塔 、 脱水塔等.Main equipme...
Euclid was trying to convey his idea of a geometrical point.欧几里得试图表达他的一个几何学观点。To convey horizontally by advection.平流传递通过平流水平传递.My letters sometimes convey no ideas at all to my correspondents.有时候收信人读到我的信,只觉得不知所云.It is di...
节节草(Equisetumramosissimum) 为木贼科(Equisetaceae) 木贼属(Equisetum)植物,分布全国各地.药用全草,味甘、微苦 、 性平.Equisetum ramosissimum is species of Equisetum genus of Equisetaceae, widely distributed all over of China....
The aphid is now laying waste to the wheat and barley fields.蚜虫正在毁掉一片片的小麦和大麦田地。Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.Aphid count ...