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

• 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 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。
• The medicine price deadlock The kinetics on the displacement reaction of tri-isobutyl aluminum with ethylene catalyzed by zerovalent cobalt complex has been studied.
  研究了零价钻配合物催化乙烯与三异丁基铝置换反应动力学。
• 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。
• The dissociation and removal of complex copper ion could be a cooperation of various factors, including electrochemical oxidation and reduction, displacement reaction, physical adsorption and flocculation, etc. The total removal rate could reach 99.6%.
  通过电化学氧化还原反应、置换还原反应、物理吸附以及絮凝共沉淀等诸多因素的协同作用，将络合态铜离子解离去除，铜总去除率可达99.6%。
• 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。
• The Displacement Reaction of High Alkylaluminium Compounds and Apply of a New Cooling Technology
  高碳烷基铝置换反应及新冷凝技术的应用
• 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。
• Therefore, a strand displacement reaction ( SDR)-based catalytic cycle was employed to amplify signals.
  因此，我们设计了基于链替换反应的催化循环来放大信号。
• Quantum Chemistry Research for the Nucleophilic Displacement Reaction about Monochlorobenzene
  氯苯亲核取代反应的量子化学研究初步