研究了一种用于钢铁基体化学置换镀铜的专用复合添加剂。
A kind of composite additive used for copper plating of chemical replacement on iron surface was investigated.
置换反应是中学化学中的主要反应，也是典型的氧化还原反应。
Metathesis reaction is not only one of the major reactions in secondary school chemistry teaching, but a typical REDOX reaction.
现有的多种天然气水合物开采方案，如热激法、减压法、化学抑制剂法、置换法和混合开采法等。
Several exploitation methods for tapping NGH have been suggested, such as thermal activation, pressure releasing, chemical inhibitor, replacement and slurry mining.
对化学镀锡的机理从置换过程和还原过程两个方面进行研究。
The mechanism of electroless plating tin was investigated from displacement process and reduction process.
阐述了快速置换加热间歇蒸煮化学和技术的原理。
The Rapid Displacement Heating (RDH) cooking process has been developed by Beloit Corporation as an energy efficient pulping system.
用电化学方法和扫描电子显微镜研究了钢铁置换镀铜反应及镀层形貌，结果表明：钢铁表面的置换铜镀层总是多孔的。
The reaction of chemical replacement copper plating on iron surface and profile of the coating have been investigated by electrochemical methods and scan electron microscopy.
说明去镁叶绿素置换影响了细菌反应中心内激发光能传递和原初光化学反应过程。
The decaying kinetics changed in different RCs, indicating that pheophytin replacement influenced the energy transduction and primary photochemical reaction in purple bacterial reaction centers.
结合燃气蒸汽联合循环技术，实现能量的梯级利用，构成新型化学链置换燃烧联合循环，高效发电同时分离CO2。
Combined with the technology of gas turbine and steam turbine, a high-efficiency cycle with CO2 separation is formed.
笔者采用置换反应法在粉煤灰空心磁粉表面进行了化学镀铜的研究。
The replacement deposition method is applied to electroless copper-plating on the magnetic fly-ash powder.
通过建立界面扰动模型，推导了三元固态置换反应系界面稳定性的化学势梯度判据。
A new interface-perturbation model of ternary system is suggested and the interface-stability criterion is derived in the form of chemical potential.
通过建立界面扰动模型，推导了三元固态置换反应系界面稳定性的化学势梯度判据。
A new interface-perturbation model of ternary system is suggested and the interface-stability criterion is derived in the form of chemical potential.
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