Yellow limestone Litchi surface 黄石灰石荔枝面
Applicable scope: various low-standard granite surface, litchi surface, fire water cut, sandstone all kinds of building materials.
适用范围：各种中低档花岗岩火烧面、荔枝面，水切面，砂岩等各种建筑材料。
The optimum conditions of ultrasonic wave-assisted extraction technology for litchi polysaccharides were determined with the single factor and the RSA response surface method.
通过单因素试验和RSA响应面分析法优化了荔枝多糖的超声波辅助提取工艺。
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