displacement reaction
英 [dɪsˈpleɪsmənt riˈækʃn]
美 [dɪsˈpleɪsmənt riˈækʃn]
置换（取代）反应
英英释义
noun
- (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
双语例句
- 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。 - 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。 - 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 products were rapidly cooled via condenser in order to stop the displacement and isomerization reaction as possible.
用冷却系统控制反应产物的温度来终止反应及可能发生的异构化反应。 - 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 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。 - 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 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%。