The cleaning agent USES water as a solvent instead of toxic solvent such as benzenes, phenol aromatic hydrocarbons and halogenated hydrocarbon.
本发明不含苯类、酚类芳烃，卤代烃等有毒溶剂，以水为溶剂。
CONCLUSION the yield is raised, and the reaction time is shortened and the toxic solvent is removed. The procedure developed is suitable for industrial production.
结论新工艺提高了收率、缩短了反应时间、消除了毒性溶剂，适合工业化生产。
Abstract: butadiene extraction unit in the presence of a large amount of solvent and butadiene, acetylene and other C4 hydrocarbons, these substances are toxic, flammable and explosive.
摘要：丁二烯抽提装置中由于存在大量的溶剂和丁二烯、炔烃等C4烃类，这些物质都是有毒、易燃、易爆的。
Objective to find the harmful chemical components in the solvent of PSZ? 1 caulking compound which has led to an acute toxic accident.
目的了解导致急性中毒事故的PS Z1堵漏剂溶剂有害化学成分。
Traditional dry cleaning USES a solvent called perchloroethylene, which is toxic enough to be treated as hazardous waste.
传统的干系方法通常会使用一种叫做全氯乙烯的溶剂。
It is white toxic and flammable powder with specific of 1.145. It cannot dissolve in water or ethanol and will become to glue when cooled after being heated in the organic solvent.
本品为白色粉末，可燃、有毒，比重1.145，不溶于水和乙醇，在有机溶剂中加热溶解，冷却后成胶状物。
Organic reactions in water have been widely studied in order to minimize the use of organic solvent, many of which are flammable, toxic, or carcinogenic.
因有机溶剂易燃，有毒或甚至致癌等特性，因此现在对环境友好的水相有机化学反应的研究越来越深入和广泛。
Production to replace the organic solvent NMMO viscose production by carbon disulfide (toxic), no environmental pollution, and thus green fiber.
生产中以有机溶剂NMMO取代粘胶生产所用二硫化碳(有毒)，无环境污染，因而为绿色环保纤维。
In the paper, surfactant palmitoylated konjac glucomannan(PKGM) was synthesized by solventless method and refined by non-toxic compounded solvent.
采用无溶剂法合成表面活性剂——棕榈酸葡甘聚糖酯（PKGM），并选择无毒复合溶剂进行分离、精制。
The selection principal of low toxic mixed solvent of CR adhesive is depended upon hydrogen bond index and solubility parameter of the solvent.
氯丁胶粘剂的低毒混合溶剂的选择原则是：根据溶剂的氢键指数及溶解度参数。
The dosage of raw materials, the selection of low-toxic mixed solvent and its formulation, the selection of modifying agent, reaction temperature and the time were studied respectively.
对原料的用量、低毒性混合剂的选择和配比、改性剂的选择、乳化剂的选择、反应温度和反应时间的选择进行了优化试验。
Compared with the method of single-eluting solvent, this method increased the selectivity of fixed phase to phospholipid, moreover there are no toxic residue in the final products.
该方法与单一溶剂洗脱相比，增加了固定相对磷脂的选择性，而且在终产物中无毒性物质残留。
Compared with the method of single-eluting solvent, this method increased the selectivity of fixed phase to phospholipid, moreover there are no toxic residue in the final products.
该方法与单一溶剂洗脱相比，增加了固定相对磷脂的选择性，而且在终产物中无毒性物质残留。
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