METHODS: The target compound was prepared by the bromination and amination reaction.方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.The effects of triacetoneamine concentration on hydrogenation and amination were discussed.论述了三丙酮胺纯度对加氢和还原胺化反应的影...
assail a task着手完成任务By 1000 BC waves of invaders began to assail the land.到公元前约1000年,埃及遭受到蜂拥而来的入侵者的掠夺.Then doubts and fears did assail the very strongest.那时,疑惑和恐惧的确困扰过意志最坚强的人.You ought to assail all the difficulties that ...
The profiteers cheated people right and left.奸商净坑人.While millions were fighting and dying, the profiteers were lining their pockets.数百万人在打仗捐躯, 而奸商们却趁机发不义之财....a new social class composed largely of war profiteers and gan...
破坏一种酶可能会导致在别处出现异常。Tampering with a single enzyme can lead to untoward effects elsewhere.这种酶会使啤酒更容易过滤。This enzyme would make the filtration of beer easier.据说加酶洗衣粉除污更有效.It was said that washing powders containing enzymes r...
钢管里塞满了脏物.The steel tubes were clogged with dirty matters.脏物在他的屋里寻获, 于是他被捕入狱.The stolen goods were found in his room, thereupon he was put in jail.夜间清出的脏物(粪便)是极好的肥料.Night soil is found to Be an excellent manure....
But the nymph Echo kept near him.但森林女神爱蔻跟在他附近.Objective To construct a cDNA expression library of Periplaneta Americana nymph.目的 构建美洲大蠊若虫cDNA表达文库.A wood nymph who was changed into a fountain by Artemis.阿瑞托莎被阿耳忒弥斯变成喷泉的山林中...
Did you get the labs back on that renal colic?你去拿那个肾绞痛病人的化验报告了 吗 ?Colic describes a whole variety of conditions in which a horse suffers abdominal pain.绞痛包括引起马匹腹部疼痛的各种病症。Colic is paroxysms of crying and irritability in a...