在形成金属晶体时又可分为同时进行的两个过程：结晶核心(晶核)的生成和成长过程。
In forming metal crystal and can be divided into performed at the same time two process: crystal core (forms) the generation and growth process.
掺入结晶核具有明显的减少混凝土收缩的作用，掺配结晶核的减缩效果好于原配比结晶核。
The function is obvious to mix crystalline cores into cement for reduction of concrete shrinkage. The effect of compounding crystalline cores is better than non-compounding crystalline cores.
利用聚金细菌体表存在一种特殊的蛋白质，对金原子进行代谢，聚集、吸附金原子，形成金结晶核。
A kind of special protein on the surface of agglutinative bacteria can be used to metabolize, collect and absorb the gold atoms, and then gold crystal nucleus will be formed.
实践表明：提高金属电结晶时的阴极极化作用，可以提高晶核的生成速度，便于获得结晶细致的镀层。
Practice shows that improve the metal electrical crystallization in the cathode polarization effect, can improve the generation of the nucleation rate, easy to get crystallization meticulous coating.
也就是说，在电镀过程中当晶核的生成速度大于晶核的成长速度时，就能获得结晶细致、排列紧密的镀层。
That is, in electroplating process when the generation of the nucleation speed is greater than the growth of the nucleation rate, it can get meticulous, crystallization of closely spaced coating.
同时在结晶器中增加细晶排出装置，降低晶核数量，提高晶体生长速率，达到改善结晶质量的目的。
Meanwhile, fine crystal discharge device was added in crystallizer to decline quantity of crystal nucleus and to increase crystal growth rate so as to reach the aim of improving crystalline quality.
晶核的生成速度大于晶核成长速度的程度越大，镀层结晶越细致、紧密。
The generation of the nucleation speed is greater than the growth of the nucleation rate, the greater the degree of coating crystallization, close the meticulous.
围绕结晶釉的组成、晶核剂的加入量及作用、保温时间等进行了系统的探讨。
In study, the composition of crystal glaze, effect and quantity of nucleating agent as well asheat preservation time have been carried on the systematic discussion.
加晶核剂而未经热处理的玻璃仍无结晶相的析出。
Glass with added composite nucleating agent will not be devitrified if not heat treated.
加晶核剂而未经热处理的玻璃仍无结晶相的析出。
Glass with added composite nucleating agent will not be devitrified if not heat treated.
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