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
- 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。 - 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 dissertation, a displacement reaction and technique of high carbon alkylaluminium with ethylene to prepare a-olefins are investigated in order to form national patent technique.
为了形成具有我国自主知识产权的技术，本文研究了乙烯置换高碳烷基铝制备α-烯烃的反应与技术。 - 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 - 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。 - Based on this sensitive displacement reaction, a method for the determination of anion detergents ( AD) in water was established.
根据这一灵敏的置换反应，建立了污水中阴离子洗涤剂的测定方法。 - Based on these advantages, we developed an electrochemical strategy based on strand displacement reaction coupling with the CNTs as electrochemical labels for the detection of the specific sequence DNA.
根据CNTs的这些优点，我们发展了一种基于CNTs作为标记物，通过链置换反应检测特定DNA序列的电化学生物传感技术。 - Plate-like Ag and granule-like Cu nanoparticles are mainly deposited at the venations and edges of the Co radial microstructures, when the displacement reaction is finished.
当氧化还原金属置换反应结束后，片状的Ag纳米粒子和颗粒状的Cu纳米粒子主要沉积在树叶状Co的脉络和边缘部分。 - 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。