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
- 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 - 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 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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。