这些不稳定性促使琼脂糖和琼脂糖 -- 丙烯酰胺凝胶的发展.These liabilities prompted development of agarose and agarose - acrylamide gels.琼脂糖是一种天然的直链多糖.Agarose is naturally linear polysaccharide.琼脂是一种从红藻中提取的复杂的多糖.Agar is complex polysaccharide, extr...
...the Arkansas Gazette.《阿肯色报》The London Gazette, the oldest surviving journal, is first published.1665年的今天, 现存最古老的一份期刊 —— 《伦敦公报》首次出版发行.He took out a copy of the Berkhamsted Gazette.他取出一份《伯克哈姆斯特德报》.He was reading The Pho...
The cementitiousness of the raw coalstrong influence on the briquette thermal compressive strength during carbonization.本文研究了城市两段炉用型煤的热强度特性曲线,结果表明,在干馏段型煤热强度的变化受煤种的影响很大.The influence of mechanicochemical effect on charact...
...the whaling industry.捕鲸业Melville incorporated in " Moby Dick " an exhaustive encyclopaedia of whaling lore.梅尔维尔在《白鲸 》 中汇集了各种捕鲸知识.The commission is calling for a global ban on whaling.委员会要求全球禁止捕鲸。They cynically tried t...
她做了个扇风的动作，假装想让自己凉快一点。She made a fanning motion, pretending to cool herself off.他面部扭曲，假装疼痛。He screwed his face into an expression of mock pain.他假装受到了冒犯，但其实内心很高兴。He pretended to be affronted, but inwardly he was pleased....
They had asked Hong Kong for permission to put into port there.他们请求香港允许他们在那里入港停留。He got permission from his commanding officer to join me.他得到指挥官的许可来与我会合。We are grateful to you for permission to reproduce this article.非常感...
Leftover food and unwashed dishes cover the dirty counters.台面上又脏又乱，尽是残羹剩菜和未洗的盘子。They looked pale and unhealthy, with unwashed hair and sunken cheeks.他们脸色苍白，精神不振，头发脏乱，两颊深陷。a pile of unwashed dishes一堆未洗的碟子...
悲观的人,即使走在平坦的大道,也会被小石子绊跌.The pessimist stumbles over pebbles even on a wide and well - paved road.少年人扛磨石, 孩童背木柴,都绊跌了.Young men toil at the millstones; boys stagger under loads of wood.不一会儿他绊跌到捕熊人设的陷阱里.In a moment he stumb...
The moulds for the foundry are made in the tool-room area.铸造车间的模具是在工具间生产的。This punch can strike out four moulds at a time.这台冲床能一次冲出四只模子.Different fossils have been preserved in different ways - some as moulds or casts.不同...