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- benzyl acetoacetic ether 乙酰苄基乙酸酯
- A whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。
- acetoacetic ether 乙酰乙酸乙酯
- Today's news goes into the ether and is soon forgotten. 今天的新闻广播听後不久即置於脑後了。
- It was once believed that light waves traveled through the ether. 人们曾经相信光波在以太中穿过。
- Ether was used formerly to put a patient to sleep before an operation. 从前人们在手术前用乙醚来使病人昏睡。
- OBJECT To search method of synthesising Hexamethyl ether of salvianolic acid A benzyl ester as danshensu derivative. 目的:探讨六甲基丹酚酸A苄酯的合成方法。
- The hospital smelled of formaldehyde and ether. 医院里充满甲醛和乙醚的味道。
- He went off at the first whiff of ether. 他一吸入醚就失去知觉。
- The p-tolyl benzyl ether was synthesized by the reaction of p-cresol and benzyl chloride with phase transfer catalyst TBAB under microwave irradiation. 在相转移催化剂作用下,以氯化苄和对甲苯酚为主要原料,通过微波辐射合成对甲苯基苄基醚。
- Aluminum di(sec-butoxide)acetoacetic ester chelate, tech.,... 询价 二仲丁氧基乙酰乙酸铝;
- He lost consciousness at the first whiff of ether. 他一嗅到乙醚便失去了知觉。
- The p-tolyl benzyl ether was synthesized by reaction of p-cresol and benzyl chloride in 95% ethanol as solvent and under microwave irradiation. 以95%25的乙醇为溶剂,以氯化苄和对甲苯酚为原料利用微波辐射加热合成对甲苯基苄基醚。
- A whiff of ether win put you out ha a few seconds. 吸一口乙醚会使你在几秒钟内昏迷过去。
- A cotton wad that was impregnated with ether. 浸透了醚的棉花团
- The coker gas oil was refined by benzyl alcohol extraction. 以苄醇为溶剂,用萃取方法提高了焦化柴油的质量。
- Alcohol sophisticated with ether. 掺有乙醚的酒精
- Benzyl N,N diethyldithiocarbamate (BDC)was synthesized. 合成N ,N’ 二乙基二硫代氨基甲酸苄酯 (BDC)。
- To convert(an alcohol) into an ether. 醚化使(一种醇)转化为醚
- Her words disappeared into the ether. 她的话消失在九霄云外。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries