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
- 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。 - 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。 - Simplified Calculation of Elastic-plastic Inter-story Maximum Displacement Reaction for Steel Frame Structures under Earthquake Action
地震作用下钢框架结构弹塑性层间最大位移反应简化计算 - 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。 - 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 - 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 - 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。 - 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 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。 - 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