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- Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis. 在没有酸催化的条件下,反应生成3乙酰基2羟基6甲基-吡喃4酮(8),并通过单晶X射线衍射分析确定了产物的结构;
- The hydroxy methyl contents of resinous crosslinking agent from different resources were determined. 测定了不同产地的树脂交联剂的羟甲基含量;
- 3-- (4-- (benzyloxy)phenyl)--2--hydroxy methyl propionate 3-(3,5-二溴-4-羟基苯基)-2-羟基丙酸甲酯
- hydroxy methyl carboxyvalerate dehydrogenase 羟甲基羧戊酸脱氢酶
- 1.5 bis (2 hydroxy 5 sulfophenyl)-3-cyanoformazan 1,5-二(2-羟基-5-磺酸基苯)-3-氰基甲膳
- Synthesis of S (-) N [(1 ethyl 2 pyrrolidinyl) methyl] 2 hydroxy 3 iodo 6 methoxybenzamide 胡名扬,梁高林, 乙基-2-吡咯烷基)甲基]-2-羟基-3-碘-6-甲氧基苯甲酰胺的合成
- Keywords photosensitized initiator;2 hydroxy 2 methyl 1 propiophenone;synthesis; 光敏引发剂;2-羟基-2-甲基-1-苯基丙酮;合成;
- any of a class of alcohols having 2 hydroxy groups in each molecule 每个分子中含两个羟基的一类醇
- Keywords hyperbranched poly (hydroxy methyl) ether;liquid c rystalline;nematic; 超支化聚羟甲基醚;液晶;向列型;
- 2-hydroxy methyl furan 糠醇
- Keywords di (2 hydroxy 5 sulfophenyl) 3 cyanoformazan disodium salt(DSPCF);Aluminium;fluorine;colour reaction; 二(2-羟基-5-磺基苯基)-3-氰基甲月替;铝;氟;显色反应;
- methyl furan 甲基呋喃
- Will 2,000 dozens be enough for selling? 两千打够卖吗?
- The counselor bilked his clients out of$2 million. 那位顾问从他的顾客那里骗取了200万美元。
- Every afternoon the baby takes a nap for 2 hours. 每天下午宝宝都要睡两个小时。
- He added 2 gallons of fuel to his car. 他给汽车加了2加仑油。
- She demonstrated that 2 and 2 are four. 她证明2加2等于四。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- The book will run to nearly 2,000 pages. 这本书将厚达两千页之多。
- The bridge is almost 2 kilometers long. 这座桥差不多有两公里长。