Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.In this paper the origin and development of octyl and decyl glycerate was intr...
她走上前拥抱他并轻抚他凌乱的白发。She walked forward and embraced him and stroked his tousled white hair.我轻抚着捋平她的头发。I petted and smoothed her hair.对全身每个部位画长弧线轻抚或做圆圈状按摩。Cover each part of the body with long sweeping strokes or circular mo...
他昨天去世了，关系疏远的儿子没来作最后的道别。He was laid to rest yesterday without a final goodbye from his estranged son.这个穿上军装的疏远的倔强的儿子,还是离家为好.This strange stiff son in the uniform is best way from home.他脸上带着一种淡漠而疏远的表情.His face assumed an e...
如果新梢生长很快,则根系生长显著减慢.If shoots grow rapidly the root growth rate decreases markedly.生长素主要是从旺盛生长新梢上正在发育的幼叶产生出来.Auxins are produced mainly by young developing leaves on actively growing shoots.以冬季扦插之发根与新梢生长情形最好.Rooting abili...
冷漠的礼仪是他唯一的 护身符.The chilling courtesy was his only armo ( u ) r .“ 我亲爱的朋友, 在这城市的生活里我有一张护身符呢!'My dear friend, I have a charmed life in this city.然而, 事实上, “ 提案 ” 一词本身并不具备护身符般的特殊意义.In fact, however, there is no talisman...