将硫酸盐加入该溶液会产生沉淀。
涂料的成分复杂,容易产生沉淀分层而影响喷涂的质量。
Components of coating are complex, easy to precipitate and demix, affecting the quality of spraying coating.
结果显示,黄连黄芩共煎产生沉淀,使有效成分的含量降低。
Precipitates were generated after the couple of Coptis and Scute, which results the decrease of contents of effective ingredients.
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