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

• 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。
• 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。
• The application of these complexes on displacement reaction has not been reported.
  将上述配合物用于乙烯置换喷雾反应器及高碳烷基铝置换反应的研究烷基铝反应催化剂，尚未见文献报道。
• Effect of ambient temperature on the solid-state displacement reaction induced by high-energy ball milling
  环境温度对高能球磨固态还原反应的影响
• Based on this sensitive displacement reaction, a method for the determination of anion detergents ( AD) in water was established.
  根据这一灵敏的置换反应，建立了污水中阴离子洗涤剂的测定方法。
• 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。
• 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
• 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。
• Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond PREPARATION OF CHITOSAN IMMOBILIZED WITH β-CD AT C_6 POSITION BY A NUCLEOPHILIC DISPLACEMENT REACTION
  氢键活化的苯环上C-F键的亲核取代反应研究亲核取代法制备壳聚糖6-OH固载环糊精衍生物
• Plate-like Ag and granule-like Cu nanoparticles are mainly deposited at the venations and edges of the Co radial microstructures, when the displacement reaction is finished.
  当氧化还原金属置换反应结束后，片状的Ag纳米粒子和颗粒状的Cu纳米粒子主要沉积在树叶状Co的脉络和边缘部分。