丁酮水碳酸钾,butanone water K 2CO 3,音标,读音,翻译,英文例句,英语词典

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1) butanone water K 2CO 3 点击朗读

丁酮水碳酸钾

2) tert-butanol-water-K2CO3 点击朗读

叔丁醇-水-碳酸钾

3) sec-butanol-water-K_2CO_3 system 点击朗读

仲丁醇-水-碳酸钾体系

In this paper,the data about the liquid-liquid equilibrium(LLE) of sec-butanol-water-KF and sec-butanol-water-K_2CO_3 systems are measured at 25℃,showing that the sec-butanol phase contains negligible salt and the water phase contains negligible sec-butanol when the mass fraction of KF or K_2CO_3 in the water phase is not less than 26.

文中通过实验测定了仲丁醇-水-氟化钾、仲丁醇-水-碳酸钾体系在25℃时的液-液相平衡数据,发现当水相中氟化钾或碳酸钾含量分别大于或等于26。

4) potassium water 点击朗读

碳酸钾水

5) anhydrous potassium carbonate 点击朗读

无水碳酸钾

The reaction of condensation-cyclization of the two prepared compounds at 100 ℃ in the presence of anhydrous potassium carbonate gave 1,4,7,10-tetrakis(p-toluenesulfonyl)-1,4,7,10-tetraazacyclododecane,with a yield of 71%.

在无水碳酸钾存在下,100℃加热使所得两种磺酰化产物缩合环化得到1,4,7,10-四(对甲苯磺酰基)-1,4,7,10-四氮杂环十二烷,产率71。

Cinnamic acid was synthesized by Perkin reaction with anhydrous potassium carbonate as alkaline catalyst,PEG-400 as phase transfer catalyst,and p-tert-butyl catechol as polymerization inhibitor.

以无水碳酸钾为碱催化剂,PEG-400为相转移催化剂,对叔丁基邻苯二酚为阻聚剂,通过Perkin法合成肉桂酸,考察了物料比、碱催化剂用量、PEG-400用量、对叔丁基邻苯二酚用量、回流时间对产品产率的影响。

An improvement on synthetic procedure of cinnamic acid is studied, using anhydrous potassium carbonate and potassium fluorid as catalyst and PEG-400 as phase transfer catalyst.

采用PEG400为相转移催化剂,以无水碳酸钾和氟化钾为催化剂,对肉桂酸的Perkin合成工艺进行了改进,通过考察催化剂配比、反应时间得到最佳的反应条件,产率可达64。

6) potassium carbonate wastewater 点击朗读

碳酸钾废水

补充资料：无水碳酸钾

CAS: 584-08-7
分子式: K₂CO₃
分子质量: 138.21
熔点:891℃
中文名称: 碳酸钾；钾碱；无水碳酸钾；珍珠灰；粗碳酸钾；碳酸钾,钾碱
英文名称: Carbonic acid, dipotassium salt；Potassium carbonate；potassium carbonate；carbonate de potassium；carbonate of potash；dipotassium carbonate；kalium carbonicum；kaliumcarbonat

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

丙烯腈-水-碳酸钾吡啶-水-碳酸钾乙腈-水-碳酸钾碳酸钾水溶液二硫代碳酸-O-丁酯钾盐丁基二硫代碳酸钾碳酸钾,钾碱钾碱，碳酸钾

含水碳酸钾丁酮水氟化钾丁酮-水-氟化钾含水碳酸钾;结晶碳酸钾

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	您的位置：首页 -> 词典 -> 丁酮水碳酸钾 1) butanone water K 2CO 3 丁酮水碳酸钾 2) tert-butanol-water-K2CO3 叔丁醇-水-碳酸钾 3) sec-butanol-water-K_2CO_3 system 仲丁醇-水-碳酸钾体系 1. In this paper,the data about the liquid-liquid equilibrium(LLE) of sec-butanol-water-KF and sec-butanol-water-K_2CO_3 systems are measured at 25℃,showing that the sec-butanol phase contains negligible salt and the water phase contains negligible sec-butanol when the mass fraction of KF or K_2CO_3 in the water phase is not less than 26. 文中通过实验测定了仲丁醇-水-氟化钾、仲丁醇-水-碳酸钾体系在25℃时的液-液相平衡数据,发现当水相中氟化钾或碳酸钾含量分别大于或等于26。 4) potassium water 碳酸钾水 5) anhydrous potassium carbonate 无水碳酸钾 1. The reaction of condensation-cyclization of the two prepared compounds at 100 ℃ in the presence of anhydrous potassium carbonate gave 1,4,7,10-tetrakis(p-toluenesulfonyl)-1,4,7,10-tetraazacyclododecane,with a yield of 71%. 在无水碳酸钾存在下,100℃加热使所得两种磺酰化产物缩合环化得到1,4,7,10-四(对甲苯磺酰基)-1,4,7,10-四氮杂环十二烷,产率71。 2. Cinnamic acid was synthesized by Perkin reaction with anhydrous potassium carbonate as alkaline catalyst,PEG-400 as phase transfer catalyst,and p-tert-butyl catechol as polymerization inhibitor. 以无水碳酸钾为碱催化剂,PEG-400为相转移催化剂,对叔丁基邻苯二酚为阻聚剂,通过Perkin法合成肉桂酸,考察了物料比、碱催化剂用量、PEG-400用量、对叔丁基邻苯二酚用量、回流时间对产品产率的影响。 3. An improvement on synthetic procedure of cinnamic acid is studied, using anhydrous potassium carbonate and potassium fluorid as catalyst and PEG-400 as phase transfer catalyst. 采用PEG400为相转移催化剂,以无水碳酸钾和氟化钾为催化剂,对肉桂酸的Perkin合成工艺进行了改进,通过考察催化剂配比、反应时间得到最佳的反应条件,产率可达64。 6) potassium carbonate wastewater 碳酸钾废水补充资料：无水碳酸钾 CAS: 584-08-7 分子式: K₂CO₃ 分子质量: 138.21 熔点:891℃ 中文名称: 碳酸钾；钾碱；无水碳酸钾；珍珠灰；粗碳酸钾；碳酸钾,钾碱英文名称: Carbonic acid, dipotassium salt；Potassium carbonate；potassium carbonate；carbonate de potassium；carbonate of potash；dipotassium carbonate；kalium carbonicum；kaliumcarbonat 说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条丙烯腈-水-碳酸钾吡啶-水-碳酸钾乙腈-水-碳酸钾碳酸钾水溶液二硫代碳酸-O-丁酯钾盐丁基二硫代碳酸钾碳酸钾,钾碱钾碱，碳酸钾

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