原位晶化过程是焙烧微球在液相组分中先转变为硅铝酸钠凝胶，随后硅铝酸钠凝胶逐步地转变为Y型沸石。
The process of in-situ crystallization is that the roasted microparticles in the liquid phase convert into sodium silicoaluminate gel first and then the gels convert into zeolite Y gradually.
介绍了溶胶-凝胶技术制备二氧化硅气凝胶微球过程中凝胶微球的收缩及其对目标气凝胶微球密度的影响，着重研究了外相溶剂处理与否以及处理方式与凝胶收缩程度的关系。
This paper presents the study on the shrinkage of low-density silicon hydrogel microspheres and its influence on the density of resultant aerogels, focusing on the effects of solvent on the shrinkage.
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