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

• After inputting El-Centro seismic wave, maximum displacement reaction and floor shear of the structure are obtained and are comparied to the results from test of vibrostand, both results are well-coincided.
  通过输入EL-Centro地震波，将所得到的结构最大位移反应和楼层剪力与振动台的试验结果进行对比，结果吻合较好。
• 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。
• 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。
• The displacement at tower top, insulator offset, wire displacement, reaction force and unbalanced tension increase with the increase of wind velocity.
  随着风速的增加，塔顶位移、绝缘串偏移、导线位移、不平衡张力和支座反力力等均呈现增大趋势。
• 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。
• We carried out a systematic study on the condensation reaction of urea and dimethyl sulfate, the displacement reaction of condensation liquid and NaOH and the synthetic reaction of the free O-methyl isobutyl, urea acetic acid and dodecylamine.
  对尿素与硫酸二甲酯的缩合反应、缩合液与NaOH的置换反应以及游离的O-甲基异脲与醋酸、正-十二胺的合成反应做了系统的研究。
• 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。
• 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。
• 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