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- Keywords Potentiometric titration;m Cresol;m Hydroxy benzaldehyde;Synthesis; 电位滴定法;间羟基苯甲醛;间甲酚;合成;
- hydroxy benzaldehyde 羟基苯甲醛
- 4- hydroxy benzaldehyde 对羟基苯甲醛
- Visiting time in this hospital is from 4 to 6. 这家医院的探望时间是从4点到6点。
- Let it be 4:25 tomorrow afternoon. 就定明天下午4点25分吧。
- A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
- He is remanded on his own recognizance of$4,000. 在保证付款4,000美元后他被还押(以后再出庭)。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- We were routed out of our beds at 4 am. 清晨 4 点钟就把我们从床上叫起来了。
- The next postal delivery is at 4 o'clock. 下一次邮递时间是四点钟。
- He was said to have salted away $4 million. 据说他已积蓄了四百万美元。
- Subtract 3 from 7 and you have 4. 七减三得四。
- The champion is running in lane 4. 冠军跑在第四跑道上。
- We can't get Channel 4 on our television. 我们的电视机收看不到第4频道的节目。
- Our flight is boarding at gate number 4. 我们的航班在四号门登机。
- Unemployment declined to 4 percent last month. 上个月失业率降至百分之四。
- The going rate for the job is￡4 per hour. 这种工作的现行工资是每小时四英镑。
- 2 - hydroxy - 4 - methoxy - benzaldehyde 2-羟基-4-甲氧基苯甲醛
- The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one. 待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
- She was charged an excess of 4 over the amount stated on the bill. 向她索取的比帐单上显示的数额多出4英镑。
