这样的系统由成千上万直径两到三毫米的沸石球组成。
This consists of thousands of zeolite spheres, two to three millimetersp in diameter.
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.
综合XRD和SEM的表征结果，所得产物为一种方沸石和方钠石共构的空心球。
It was concluded that the product was hollow spheres co-constructed by analcime and sodalite characterized by XRD and SEM.
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