他紧紧抓着住倾覆的小船,高呼救命。He clung to the upturned boat, screaming for help.“救命!”我尖叫道,转身就跑。"Help!" I screamed, turning to run.这种新药有可能成为一种救命药。The new drug is a potential lifesaver....
蚕蛹皮是蚕蛹(制丝下脚料)经人工提炼去蛹油、蛹蛋白后的废弃物,含有丰富的甲壳质.The silkworm chrysalis skin is a kind of waste after removing pupa oil and protein.方法先由龙虾壳制备甲壳质,经盐酸水解得D氨基葡萄糖盐酸盐.This paper researches technological conditions under which the D - g...
添加的甲基汞的回收率据报到达90%左右.The recovery of added methylmercury was reported to be approximately 90 %.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.六亚甲基二异氰酸酯 ( HMDI )...
It has wide applications in the domain of multimedia communication, iatrology, police security, telemetry and avigation.它在多媒体通信, 医学, 公安, 遥感勘测和航空航天等领域有着广泛的应用,近来在国内外受到广泛的重视....