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
- 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 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 application of these complexes on displacement reaction has not been reported.
将上述配合物用于乙烯置换喷雾反应器及高碳烷基铝置换反应的研究烷基铝反应催化剂，尚未见文献报道。 - 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。 - 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。 - 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。 - 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。 - Doing the Demonstrational Courseware of the Displacement Reaction in Chemistry with Flash MX
利用FLASHMX制作化学置换反应演示课件 - 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。 - 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。