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- Both the free hydroxyl groups readily undergo esterification. 两个自由羟基,都容易酯化。
- The free hydroxyl ion is involved in a further reaction with the silica network. 游离的氢氧离子会进一步和硅氧网络反应。
- Together with “free” hydroxyl ions already present in solution, these hydroxyls are titrated with protons (acid), to a thermometrically determined endpoint. 游离的烃基离子存在于溶液中,用质子(酸)就滴定这些烃基离子,出现了一个温度测量的终点。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Methoxymethyl chloride was used as a facile protecting group for free hydroxyls in the preparation of polyhydroxy derivatives of chalkones, flavones and isoflavones. 通过氯甲基甲醚保护相应醛、酮的酚羟基先合成查尔酮,进而方便地制备多羟基黄酮或异黄酮化合物。
- The free hydroxyl ion is involved in a further reaction with the silica network 游离的氢氧离子会进一步和硅氧网络反应。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空,我可以享受一下音乐。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了,他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
- He is given a free ticket to the exhibition. 有人给他一张免费参观展览的票。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。
- We'll eat at whichever restaurant has a free table. 哪个饭馆有空桌我们就在哪儿吃吧。
- The politician cops out on the issue of free trade. 那政客对自由贸易的问题只是一味逃避。
- At once he slew him and set Io free. 他立刻杀死了阿尔戈斯,放掉了伊俄。