- 重点词汇
- benzyl alcohol苯甲醇,苄醇;
- propionaten.丙酸盐,丙酸酯;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
- toprep. 向,朝着;到;关于;属于;
- asadv. 同样地,一样地;例如;
- andconj. 和,与;而且;于是,然后;因此;
- byprep. 在…旁边;表示方式;由于;经过;到…之前;
- propionic acid丙酸;
- 相关例句
Under the optimum reaction conditions, the yield of benzyl propionate could reach 87.9 %.
在最佳反应条件下, 丙酸苄酯的收率可达87·9%.
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以BTEAC ( 苄基三乙基氯化铵 ) 为相转移催化剂合成了异烟酸乙酯.
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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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