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

• 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。
• 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
• 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
• In this experiment, the effect of concentration of salt ion, temperature of strand displacement reaction and the interference of coexisting ions with Hg2+ on the performance of the assay was investigated.
  实验考察了盐离子浓度、置换反应的温度以及干扰离子对此分析方法性能的影响。
• 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。
• Based on these advantages, we developed an electrochemical strategy based on strand displacement reaction coupling with the CNTs as electrochemical labels for the detection of the specific sequence DNA.
  根据CNTs的这些优点，我们发展了一种基于CNTs作为标记物，通过链置换反应检测特定DNA序列的电化学生物传感技术。
• 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 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。