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- Keywords dihydropyran;tetrahydropyran ether;hydroxy group protection;deprotection; 二氢吡喃;四氢吡喃醚;羟基保护;脱保护;
- tetrahydropyrane ethers 四氢吡喃醚
- 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。
- 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。
- 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。
- He lost consciousness at the first whiff of ether. 他一嗅到乙醚便失去了知觉。
- 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
- Alcohol sophisticated with ether. 掺有乙醚的酒精
- 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。
- A whiffof 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。
- Down buttons to select ether preview or AE lock. 按压向上向下按钮,以选择预对焦或AE锁定。
- Bonded to glycerol by ether( instead of. 含聚异戊二烯甘油醚类脂(。
- Sodium Fatty Alcohol Polyoyetylene Ether Sulfate. 醇醚硫酸铵。
- The smell of ether suggests a hospital. 乙醚的气味常使人想起医院。
- And like the ether it lifts but the winged. 又如太虚,只助有翼者浮升。
