讨论了间甲酚磺酸甲醛缩合物组成和性能关系。
This paper also discusses the relationship between the composition and properties of them cresol sulphonate - formaldehyde condensates MSF).
间甲酚得到的分辨质量浓度偏离实际质量浓度较大。
However, the result ofm-cresol is not satisfied, and the resolved concentration deviates from the actual one severely.
利用间甲酚紫作指示剂定量地测定食醋中总酸的含量。
This paper suggested am-cresol purple, which could determine quantitatively the content of total acid in vinegar.
苯酚、间甲酚和百里酚由于光谱重叠严重,用常规的分析法较难直接检测。
It is difficult to determine the mixtures of phenol, m-cresol and thymol directly by routine analytical method since their fluorescent spectra are overlapped closely.
电化学极化也能有效地提高活性炭纤维对苯酚、苯胺、间甲酚和AO7的吸附量。
The adsorption capacity of phenol, aniline, m-cresol and AO7 on ACFs can also be effectively enhanced by electrochemical polarization.
本标准溶液以纯度为99%间甲酚在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with m-cresol (99%) and sub-packed in 5ml ampoules.
通过使用一定配比的乙醇和四氢呋喃作混合溶剂,第一次培养出尿素和间甲酚的复合物单晶。
The complex crystal ofm-cresol and urea has been firstly cultivated by using a mixed solvent including ethanol and THF at a proper ratio.
介绍了以对、间甲酚为原料的一些重要合成香料的种类、香气特征、用途以及主要合成方法。
The types, aromatic characters, applications and the synthetic methods of some important synthetic per-fumes from p-cresol and m-cresol were reviewed.
设计了以国内生产的间甲酚为原料,经过乙酰化、氯化、再酯化和醇解等四步合成间羟基苯甲醇的合成路线。
A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.
在容积1升的反应釜中,在剧烈搅拌以消除膜阻的条件下研究了邻甲基苯甲酸空气催化氧化制间甲酚的反应。
The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances.
本论文主要研究了间硝基甲苯液相催化加氢制备间甲苯胺并由间甲苯胺合成间甲酚和N—乙基间甲苯胺的反应工艺条件。
Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.
介绍了在燕化公司化工三厂间甲酚装置改造项目中第一异丙基甲苯汽提塔(201E)的改造设计方案及导向筛板的优点和设计方法。
The paper introduces the revamping design scheme of the primary cymene stripper (201E) in them-cresol plant revamping project and puts forward the detailed design method of Linde sieve tray.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
比较了不同固定液的填充柱和毛细管柱对间、对甲酚甲醚异构体的分离效果。
The separation of meta- and para- methyl cresol ether using six type of packed and fused silica capillary columns is compared.
以3,5 -二甲酚为原料,硫酰氯为氯化剂、四氯化碳为溶剂,合成对氯间二甲酚。
Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.
以3,5 -二甲酚为原料,硫酰氯为氯化剂、四氯化碳为溶剂,合成对氯间二甲酚。
Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.
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