Slow crystal formation gives quite pure crystals that probably need not be recrystallized for the optical activity studies.
缓慢的结晶过程会给出十分纯的晶体，在光学活性的研究中，这些晶体很可能不需要进行再结晶了。
In the meantime, the influence to anionic stability and surface activity of the crystal size were investigated.
同时，研究了晶体大小对晶格离子稳定性和表面活性的影响。
The clinker burning mechanism according to the crystal seeds theory and the activity of the dehydrated phase are analysed.
根据晶种理论和水化物脱水相的反应活性分析了熟料烧成机理。
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