phase transfer catalyst

英 [feɪz trænsˈfɜː(r) ˈkætəlɪst]

美 [feɪz trænsˈfɜːr ˈkætəlɪst]

网络  相转移催化剂; 催化剂; 用相转移催化剂; 相转移催化

化学

双语例句

• The synthesis method of quinalphos by the process of compound phase transfer catalyst ( PTC) and the factors affecting synthesis yield were studied in this paper.
  报导了采用复合相转移催化剂合成喹硫磷，并研究了各种因素对合成收率的影响。
• We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.
  本文通过使用相转移催化剂来提高壳聚糖的脱乙酰度，使用过氧化氢降解法降低壳聚糖的分子量。
• Mandelic acid and its analog can be synthesized from aromatic aldehydes and chloroform as raw material with the help of phase transfer catalyst.
  以芳香醛和氯仿为原料，经相转移催化反应合成扁桃酸及其类似物。
• The effects of phase transfer catalyst, reactant proportion, reaction temperature and time on quaterisation were studied.
  通过对其溶解性和季铵离子含量的测定，研究了相转移催化剂、反应物配比、反应温度、反应时间等对季铵化反应的影响。
• Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.
  用相转移催化合成了柠檬醛二乙缩醛，提高了产率。
• As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.
  聚乙二醇作为相转移催化剂可以提高反应的选择性。
• The fluorination yield reached 81.2% when calixarene was chosen as phase transfer catalyst.
  氟化反应中采用杯芳烃作为相转移催化剂，收率达81.2%；
• The synthesis of6-methyluracil from ethyl acetoacetate and urea with PEG-400 as phase transfer catalyst was studied.
  研究了聚乙二醇-400为相转移催化剂，乙酰乙酸乙酯和尿素合成6-甲基脲嘧啶的工艺条件。
• Studies on the synthesis of nitriles using PEG400 as phase transfer catalyst or microwave irradiation under solvent-free conditions were carried out.
  本文研究了在无溶剂条件下，相转移催化剂聚乙二醇400和微波辐射下腈类化合物的合成，获得了比较满意的结果。
• Using TBAB as phase transfer catalyst, N benzoyl caprolactam was synthesized from benzoyl chloride and caprolactam in cyclohexane.
  四丁基溴化铵（TBAB）为相转移催化剂、环己烷为溶剂，用己内酰胺和苯甲酰氯合成了N-苯甲酰基己内酰胺。