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

• 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 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。
• 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。
• 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
• 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
• Interface stability analysis of solid state displacement reaction
  固态置换反应的界面稳定性
• Quantum Chemistry Research for the Nucleophilic Displacement Reaction about Monochlorobenzene
  氯苯亲核取代反应的量子化学研究初步
• 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。
• 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 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。