缓凝剂在二水石膏晶胚表面的吸附，使其晶体生长受阻，成为水化的控制过程。
The adsorption of retarders on the surface of nuclei newly produced inhibits the crystal growth of dihydrate and accordingly controls the hydration process of gypsum.
分析了晶体产生开裂的原因，采用严格控制生长参数的方法予以解决。
The reasons of cleavage in the crystal is analyzed and solved by strict control of growth parameters.
结果表明，聚合物对于控制晶体的取向生长起着关键性作用。
The results show that the polymer play a key role in controlling the orientation growth of crystals.
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