- 重点词汇
- wasv. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ）;在，存在;不受干扰;
- ethyladj.含乙基的;
- chloriden.氯化物;〈口〉漂白粉;
- phasen.阶段;时期;月相;（月亮的）盈亏;
- usingv.使用（ use的现在分词 ）;利用;耗费;吸（毒）;
- transfervt.使转移;使调动;转让（权利等）;让与;
- catalystn.<化>触媒，催化剂;〈比喻〉触发因素;促进因素;〈口〉有感染力的人;
- ISOabbr.International Organization for Standardization 国际标准化组织(成立于1946年，制定世界通用的科学、工业以及商业计量标准)
- triethyladj.三乙（烷）基的;
- synthesisn.综合;<化>合成;综合体;综合推理;
- studiedadj.有计划的;故意的;深思熟虑的;精通的;
- 相关例句
方法: 以氮 - 苄基保护胺基酮为原料,经氢化, 苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯.
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Under optimum condition the yield of benzyl acetate for 3 hours at boiling is over 96 %.
在最佳反应条件下乙酸苄酯的产率可达96%以上.
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Tetrabromobisphenol A-di ( o-chloro benzyl ) ether is a novel efficient flame retardant.
四溴双酚A - 双 ( 邻氯苄基 ) 醚是一种新型高效阻燃剂.
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Synthesized of benzyl oxide was using iodine catalyst dehydration for benzyl alcohol.
以单质碘为催化剂直接由苄醇催化脱水生产苄醚.
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DNA filamentous fungi could be provided by the modified with benzyl chloride.
本文采用改进的氯化苄法,得到的DNA质量好、产量高,可以直接用于后续的基因操作.
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This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.
从苯乙腈制取苯基硝基甲烷就用这个方法.
词典精选例句
A scholar of Old English, Tolkien argued that Beowulf should be read for its literary merits.
身为古英语的学者, 托尔金主张[贝奥武夫]有其文学价值,因此值得一读.
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Beowulf slays the monster Grendel and its mother and dies fighting a dragon.
中心故事是关于英雄贝奥武甫怎样打败湖怪格伦德尔及其母亲,后来自己又在杀一条龙时受伤而死.
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Grendel was a male monster, slain by Beowulf in the Old English epic Beowulf.
在古英国史诗《贝奥武夫》中,格伦德尔是一只雄性怪兽, 最终被贝奥武夫杀死.
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Results show that this Beowulf system could run with high speedup ratio and parallel efficiency.
结果表明:该系统能够达到非常高的并行加速比和并行效率.
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That man is truly good who knows his own dark places .-Beowulf.
知道自己暗处的人真的很好了---贝奥武夫,古英语经典同名作品主人公.
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