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单环羧酸盐属于分散型聚合物成核剂。Monocyclic carboxylate is a dispersive-type polymer nucleating agent.

黄素2是现在最有可能在其两性离子地方式或作为其羧酸离子。Flavin 2 is most likely present in its zwitterionic form or as its carboxylate ion.

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针对辽河油田曙22块原油,开展了羧酸盐类表面活性剂的适应性研究。The applicability of carboxylate surfactant for Block Shu 22 in Liaohe Oilfield was studied.

以2-吡啶甲酸铬配合物饲喂猪的试验表明,它是一种很有效的饲料添加剂。The experiments in pigs feed showed that chromium 2-pyridine carboxylate is good feed additive.

结论蛋白质肽链上的羰基氧与铬形成配位键。Conclusion It is concluded that carboxylate oxygen and chromium were bonding with coordinated bond.

目的制备水杨酸糖酯,考察其生物活性。OBJECTIVE To prepare salicylic acid saccharide carboxylate and evaluate their Anticoagulant activity.

用改进的悬浮聚合法制备了表面含有羧基功能团的聚苯乙烯磁性微球。Carboxylate modified magnetic microspheres were prepared by using modified suspension polymerization method.

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本发明公开了一种烟草保润剂,该烟草保润剂是吡咯烷酮羧酸盐的水溶液。The present invention discloses a kind of tobacco humectant, which is water solution of pyrrolidone carboxylate.

探讨了用溴甲酚绿碱性分相滴定法测定石油羧酸盐驱油活性剂的浓度。It is presented in this paper to determine the concentration of petroleum carboxylate by two-phase alkaline titration with bromocresol green indicator.

此外,这种添加剂,防止含负电荷的水染料溶群体,例如,油墨焦化磺酸盐,羧酸。Further, such additives will prevent kogation for inks containing dyes with negatively-charged water-solubilizing groups, such as sulfonate and carboxylate.

结果表明它们具有优异的耐盐能力,且随氧乙烯数的增加而增强,其中非离子磺酸盐型表面活性剂的耐盐能力最强。These are surfactants containing in molecule polyoxyethylene unit and anionic phosphate, sulfate, carboxylate or sulfonate groups. Their good salt tolerance is verified.

介绍了以大庆原油馏分油为原料,采用液相氧化法生产石油羧酸盐的合成工艺。A synthetic technique of producing petroleum carboxylate using liquid?phase oxidation and taking fraction of Daqing crude oil as raw material is introduced in this paper.

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用改进的悬浮聚合法制备了表面含有羧基功能团的聚苯乙烯磁性微球。Carboxylate modified magnetic microspheres were prepared by using modified suspension polymerization method. Their structure, size distribution and magnetic content were measured.

以脂肪醇聚氧乙烯聚氧丙烯醚为原料,研究了反应温度、反应时间、物料配比对羧甲基化反应的影响。Polyoxyethylene polyoxypropylene ether carboxylate of fatty alcohol is prepared with polyoxyethylene polyoxypropylene fatty alcohol as raw material by the method of carboxy methylation.