These derivatives are readily obtained by alkylation of2-mercaptopyridine and alkyl halides under alkaline conditions. 这些衍生物可以容易地在碱性条件下通过2-巯基吡啶和卤代烷的烷基化而得到。
( chemistry) of or related to an alkyl. (化学)烷基的或与之相关的;烃基的或与之相关的。
The nonpolar segments of surfactauts include straight-chain and branched alkyl groups. 防水剂,疏水化合物非极性链段包括直链和支链的烷基。
The Alkyl Chain Structure and Tribology Characteristics of Chemically Modified Soybean Oil 化学改性豆油的烷链结构和摩擦学性能研究
Molecular Dynamics study of a Surfactant-Water Interface: Effect of Molecular Architecture of Alkyl Benzene Sulfonate 烷基苯磺酸盐分子结构变化对水-表面活性剂界面影响的分子动力学研究
Fluorocarbon alkyl sulfosuccinate monoester surfactants was synthesized on the basis of carochefluorohepnonyl, maleic anhydride and anhydrous sodium sulfite as starting materials. 以十六氟壬醇、顺酐和亚硫酸钠为原料合成了氟碳烷基琥珀酸酯磺酸盐。
Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
Nitrous esters can react with alkyl peroxides to yield alkyl nitrates. 亚硝酸酯与过氧化烷基反应,得到烷基硝酸酯。
The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
This method can be used for quantitative analysis of the alkyl amido phosphate ester. 该法可用于烷基酰胺磷酸酯的定量分析。
Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals. 在一芳香环上一个取代烷链的消失,结果出现自由基。
The advances in chemical modification of ( alkyl) phenolic resins for printing inks were reviewed. 对油墨用(烷基)酚醛树脂的化学改性研究进行了综述。
The synthetic method, main properties and application of alkyl indican has been introduced. 本文介绍了烷基糖苷的合成方法,主要性能和用途。
The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed. 介绍了表面活性剂烷基二苯醚二磺酸盐的合成、生产及应用情况。
Unsaturated alkyl sulfate is a kind of well performing anionic surfactant. 不饱和烷基硫酸酯是一类性能优良的新型阴离子表面活性剂。
It consists of alkyl aryl sulfonate and formaldehyde naphthalene sulfonate condensate synthesized chemically. 它是由化学合成的烷基芳香族磺酸盐和萘磺酸盐甲醛缩合物所组成。
This paper introduces the preparation and application of the sulfonated alkyl polyglycoside in drilling fluids. 介绍了磺甲基烷基糖苷的制备方法及其在钻井液中的应用。
The preparation method of middle based calcium alkyl salicylate improved in compatibility wasdescribed. 介绍了一种相容性能改善的中碱值烷基水杨酸钙盐添加剂的制备方法。
Table 1.4 compares the boiling points of several alkyl ether that have permanent dipoles with those of hydrocarbons, which have no permanent dipoles. 表1.4对若干有永久偶极的烷基醚和没有永久偶极的烷烃的沸点作了比较。
Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced. 介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。
The finding of long chain alkyl benzene proves the relatively strong reducing environments during deposition at that time. 长链烷基苯的检出进一步验证了当时沉积物处于较强还原环境。
The distribution characteristics of long chain alkyl benzene in different state hydrocarbon can be used for petroleum accumulation dating. 长链烷基苯在不同赋存状态烃的分布特徵,可以应用于油气聚集时间和成藏差异的研究。
Nonionic surface-active agents include polyoxyethylene condensates, sucrose esters and alkyl amine oxides. 非离子型表面活性剂有聚氧乙烯缩合物,糖酯和烷基胺氧化物。
This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide. 这个反应称为Hofman消除反应,它很像卤代烷的脱卤化氢反应。
The research of alkyl polyglycoside and its derivatives is becoming the focus of many international studies and researches. 对烷基多苷及其衍生物的研究是国际上表面活性剂研究的热点。
We have calculated bonds dissociation energies for22 alkyl derivatives containing nitrogen or sulfur, their average derivation is3. 利用此方法计算出22个含氮含硫烷基衍生物的键裂能,其平均偏差为3。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation. 由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
Study on Nonionic Surfactant Alkyl Polyglycerol Ethers 烷基聚甘油醚型非离子表面活性剂的研究
This paper describes the synthesis of APG ( Alkyl Polyglycosides) by means of trans_glycosidation. 以转苷法合成了烷基多苷,并对其特性进行了测试、分析。