Methods Taking the P. cocos powder as raw materials, The single-factor experiment of carboxymethylated modification was carried out to gain the greatest degree of substitution.
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The synthesis of silicon carbide whiskers by double-heating method using carbon black and SiO_2 powder as raw materials is studied.
以炭黑和二氧化硅微粉为原料，对双重加热法合成碳化硅晶须进行了研究。
The synthesis of 13X zeolite with K-feldspar powder as raw materials is characterized by XRD, SEM, IR, chemical analysis and Raman spectroscopy.
实验研究了以钾长石粉体为原料水热合成13X沸石分子筛的晶化过程，确定了晶化过程的诱导期、晶化期和沸石晶体的平均生长速率。
At the same time, the technology utilizes the broken stone waste materials and stone powder as raw materials, thereby benefiting for the protection and the conservation of natural resources.
同时该技术利用碎石废料及石粉为原料，对保护和节约天然资源大有益处。
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