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

• 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 paper introduces the process and effect of doing the demonstrational courseware of the displacement reaction in chemistry with Flash MX.
  介绍了利用FLASHMX制作化学置换反应演示课件的过程与效果。
• 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
• 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
• 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。
• 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。
• 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 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。