displacement reaction

英 [dɪsˈpleɪsmənt riˈækʃn]

美 [dɪsˈpleɪsmənt riˈækʃn]

置换（取代）反应

化学

英英释义

noun

• (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
  Synonym:displacement

双语例句

• Generally, the spontaneous displacement reaction of alkali metals with calcium is impossible.
  用碱金属氯化物与金属钙的置换反应来制备碱金属光电阴极，在通常条件下是不能自发进行的。
• The paper introduces the process and effect of doing the demonstrational courseware of the displacement reaction in chemistry with Flash MX.
  介绍了利用FLASHMX制作化学置换反应演示课件的过程与效果。
• In this dissertation, a displacement reaction and technique of high carbon alkylaluminium with ethylene to prepare a-olefins are investigated in order to form national patent technique.
  为了形成具有我国自主知识产权的技术，本文研究了乙烯置换高碳烷基铝制备α-烯烃的反应与技术。
• Analysis of Elastic-plastic Displacement Reaction for Anomalistic Tall Steel Structure Under Strong Earthquake Action
  大震作用下高层不规则钢结构的弹塑性位移反应分析
• Magnesium fluoride deposited on the surface of substrate will restrains the displacement reaction between magnesium and zinc ion and decrease the rate of zinc deposition.
  溶解度小的氟化镁沉淀在镁基底上，影响了镁与锌离子之间的置换反应速率，从而控制了锌的沉积速率。
• The total and subsidiary reactions of the classical Fe-Cu displacement reaction are investigated and defined.
  确定了体系中可能发生的全反应和副反应及其抑制，从而实现置换法工业镀铜。
• Simplified Calculation of Elastic-plastic Inter-story Maximum Displacement Reaction for Steel Frame Structures under Earthquake Action
  地震作用下钢框架结构弹塑性层间最大位移反应简化计算
• Doing the Demonstrational Courseware of the Displacement Reaction in Chemistry with Flash MX
  利用FLASHMX制作化学置换反应演示课件
• The results show that the recovery of metal tin and the purity of products are affected mostly by the reaction temperature, concentration of acid and CuSO_4, etc, the displacement reaction process is a good way for removing and recovering of plated tin on copper wires.
  研究结果表明：反应温度、酸浓度、CuSO4浓度等因素对金属回收率和回收产品的纯度有很大影响，置换反应法是铜线表面锡层褪镀和回收的一个较佳途经。
• A new synthesis method of a-olefins using spray reactor through continuous displacement reaction of high carbon alkylaluminium with ethylene is studied.
  研究了用喷雾反应器实现乙烯连续置换高碳烷基铝制备α-烯烃的新方法。