This article reviews the progress in the synthetic methods of fluorine-containing lactones.
就含氟内酯化合物合成方法的研究进展进行了综述。
This article reviews the progress in the study on synthetic method of fluorine-containing lactones.
就含氟内酯化合物合成方法的研究进展进行了综述。
Organosilicon and fluorine-containing surfactants are the most prominent members among the special surfactant family.
含氟表面活性剂和有机硅表面活性剂是特种表面活性剂家族中的重要成员。
This paper also discussed the mechanism of excellent stability of fluorine-containing organic radicals at room temperature.
并讨论了含氟有机自由基的良好室温稳定性的机理。
So, the study on treatment technologies of fluorine-containing waste water are always an important task in home and foreign lands.
因此,含氟废水治理技术研究一直是国内外环保领域的重要课题。
TFAC is a new fluorine-containing intermediates, which was widely used in medicine, pesticides, fluoride materials and other fields.
三氟乙酰氯是一种新型的含氟中间体,广泛应用于医药、农药、氟材料等领域。
Research of Analytical Method about Fluorine-containing Textile Finishing Agent Monomer-1H, 1H, 2H, 2H-Tetrahydroperfluorodecylacrylate.
含氟织物整理剂单体1H,1H,2H,2H-全氟烷基丙烯酸酯的分析方法研究。
The sources of fluorine-containing gas are analyzed from the extraction of WPA, flash evaporation cooling of slurry and concentration system.
阐述湿法磷酸生产的萃取分解、萃取料浆闪蒸冷却及浓缩系统含氟气体的产生过程;
The super-branched polyester of the invention has the following structural formula, wherein R is alkyl or fluorine-containing alkyl of different types.
本发明的超支化聚酯,具有如下结构式:式中R为不同种类的烷基或者含氟烷基。
The prepared fluorine-containing sulfonic acid film has the advantages of better water conservation, higher proton conductivity, and higher mechanical properties.
本发明制备的含氟磺酸膜具有较好的保水性能、较高的质子导电率和较高的机械性能。
The invention discloses an expansion glass fiber filter material applied to the air filtration industry, comprising an expansion glass fiber and a fluorine-containing material.
本发明公开了一种空气过滤行业用膨化玻璃纤维过滤材料。
Fluorine-containing polymer coatings have many excellent properties. Studies of synthesis and modification of polymer containing fluorine used as coating are reviewed in this paper.
综述了国内外近十年来含氟聚合物涂料研究方面的进展。
The invention relates to a fiber and modified silica-doped fluorine-containing ion film and a preparation method thereof and belongs to the technical field of polymer composite materials.
本发明涉及一种纤维和改性二氧化硅掺杂含氟离子膜及其制备方法,属于高分子复合材料技术领域。
In this paper, the mechanism of water-and oil-repellency, the advances in the synthesis of fluorine-containing monomers, the methods of polymerization and their application are reviewed in detail.
从拒水拒油机理、含氟单体的合成、含氟聚合物的聚合方法及其应用等方面对含氟多功能织物整理剂的国内外最新研究进展进行了较详尽的综述。
The invention relates to a new fluorine-containing compounds 5,5,5- trifluoro -4-(benzene imidogen) ethyl valerate and its Synthesis method, belonging to organic compound synthesized technique realm.
本发明涉及一种新的含氟化合物5,5,5-三氟-4-(苯亚胺基)戊酸乙酯及其合成方法,属有机化合物合成工艺技术领域。
Using separate pieces of fluorine- and silicon-containing polymers allowed the authors to show that signals consistent with the presence of fluorine were detected in the silicon sample after contact.
通过分离含氯和硅的聚合物表明标记的氯在接触后的硅样品表面被探测到了。
We termed the character of mixture of pyrethroids of benzaleohol containing fluorine as "fluorine effect of mixture".
我们把混合含氟对甲氧甲基苄醇菊酯的这一高活性和低抗性特性暂称为“混合氟效应”。
The fluorine separation process on the smelting course of beryllium ores containing fluorine is discussed.
对含氟铍矿石冶炼过程中的氟分离工艺进行了研究。
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。
Jeff: Even so, there was still much pity to be left. For instance, the plastic bags, refrigerators containing fluorine, and forbidding smoking etc.
杰夫:尽管如此,还留下了不少遗憾,比如街头的塑料包装、含氟冰箱、禁烟等问题打了折扣。
It has shown that anionic surfactant, fluorine containing surfactant, and silicon containing surfactant of their proper blending ratio are the good dispersant system for PVDF resin.
试验结果表明:阴离子表面活性剂、含氟表面活性剂和含硅分散剂三者以适当比例配用,构成的分散剂体系能很好地分散PVDF。
Several synthetic methods to synthesize fluorine - containing aroma tic compounds are introduced, and some key techniques in halo exchange and fluor o substitution are put forward.
介绍了含氟芳香族化合物的几种合成方法,叙述了卤交换氟代中的几个关键技术。
Derivative gas chromatography is used to analyze the fluorinated compound derived from the gas out of the rare earth concentrates containing fluorine.
应用衍生气相色谱法测定含氟稀土精矿焙烧逸出气体中的氟化物。
Thus, it is a meaningful thing to study how to introduce fluorine -containing groups into lactones.
因此如何在内酯分子中,引入含氟基团是一个非常有意义的工作。
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。
A dual absorbing tower shower containing oxidant and alkaline absorbant was used for removing arsine, phosphorus, sulfur, fluorine, chlorine and oxynitrides.
用椭圆型喷淋吸收塔,氧化剂、碱吸收治理半导体工业废气中砷、磷、硫、氟、氯、氮氧化物及各种酸。
Various method of preparation and application of 2-trifluoromethyl acrylic acid, which is an unsaturated acid containing-fluorine, are reviewed.
介绍一种含氟不饱和酸2 -三氟甲基丙烯酸的制备方法和应用情况。
The leather treated using fluorine containing retanning agent has a soft hand, good gas permeability, and better water , oil and soil resistances and so on.
含氟复鞣剂可以赋予皮革良好的手感、优异的透气性、抗水抗油性、抗污性等性能。
The paper analyses the technology development of treatment of wastewater containing fluorine, and discusses the treatment methods, treatment technics and treatment medicament all-around.
本文分析了近十年来国内外对含氟废水处理方面的技术研究进展,分别从处理方法、处理工艺和处理药剂等方面进行了较全面的介绍。
The paper analyses the technology development of treatment of wastewater containing fluorine, and discusses the treatment methods, treatment technics and treatment medicament all-around.
本文分析了近十年来国内外对含氟废水处理方面的技术研究进展,分别从处理方法、处理工艺和处理药剂等方面进行了较全面的介绍。
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