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

• 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
• 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。
• The dissociation and removal of complex copper ion could be a cooperation of various factors, including electrochemical oxidation and reduction, displacement reaction, physical adsorption and flocculation, etc. The total removal rate could reach 99.6%.
  通过电化学氧化还原反应、置换还原反应、物理吸附以及絮凝共沉淀等诸多因素的协同作用，将络合态铜离子解离去除，铜总去除率可达99.6%。
• 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。
• 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 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。
• 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
• Interface stability analysis of solid state displacement reaction
  固态置换反应的界面稳定性
• 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。
• 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。