A branched fluorine - containing acrylic resin has been developed through solution polymerization at normal pressure with liquid fluorine - containing acrylic acid monomer and acrylate monomers.
将液态含氟丙烯酸单体与丙烯酸酯类单体采用常压溶液聚合工艺,合成了支链含氟的丙烯酸树脂。
Beside fractional crystallization model, liquid immiscibility of Fluorine-rich granite magma is an important mechanism to form pegmatite and pegmatite type deposit.
除了结晶分异模式外,富氟花岗岩浆液态不混溶作用也是伟晶岩成岩成矿的重要机制。
Objective to confirm the preventive efficacy of Haierfu Oral Liquid on workers exposed to fluorine by observing serum biological changes before and after taking Haierfu Oral Liquid.
目的观察高氟环境作业工人服用海尔福口服液前后血清生化指标的变化,以验证其防治效果。
Phase relations in the fluorine-bearing granite system are known, and a wide area of liquid immiscibility which includes also nepheline-normative compositions has been established.
含氟的花岗岩体系中的矿物相的关系是已知的,并已确定了一个宽的液相不混溶区,其中也包括霞石标准分子的成分。
The present invention relates to one kind of substituted azophenyl carboxylate containing fluorine atom and cyan group as liquid crystal compound and its preparation process.
本发明涉及一种含氟原子和氰基的取代偶氮苯羧酸酯类液晶化合物及其制备方法。
The present invention relates to one kind of substituted azophenyl carboxylate containing fluorine atom and cyan group as liquid crystal compound and its preparation process.
本发明涉及一种含氟原子和氰基的取代偶氮苯羧酸酯类液晶化合物及其制备方法。
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