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cresol sulfonphthalein 甲酚磺酞
Brown liquid ,mainly consist of phenol ,cresol and xylenol etc. 棕褐色液体，主要由苯酚，甲酚和二甲酚等组成。
The isomers of dichlorobenzene and cresol were separated successfully. 利用该色谱体系成功地分离了二氯苯异构体和甲酚异构体。
This paper introduces the reaction mechanisms,process and result from reacting the HFA with phenol,aniline and cresol. 介绍了六氟丙酮与苯酚、甲基酚和苯胺的反应机理、过程和结果。
The technological reform of mixed cresol refining and purification in the Taidong Co.,Ltd is presented. 介绍了莱钢泰东公司混合甲酚精制提纯的工艺改造情况。
The determination of m - cresol content by brominating volumetric method was investigated. 探讨了间甲酚含量的容量分析方法。
The resultant polyimides are soluble in DMA, DMF, NMP, THF,m cresol and chloroform. 该类聚酰亚胺在DMA，DMF，NMP，THF，间甲酚，氯仿中有很好的溶解性，且与柔性链的长度无关。
A new thought for preparing m cresol from m nitrotoluene via reduction, diazotiation and hydrolsis is proposed in this paper. 提出了以间硝基甲苯为原料,通过还原、重氮化、水解等过程合成间甲酚的新思路。
The experimental study on the preparation of p hydroxybenzaldehyde by p cresol oxidation has been carried out in this work. 研究了对甲酚经空气氧化合成对羟基苯甲醛反应过程。
A gas chromatographic method for the determination of chlorobenzene and m cresol in m phenoxy toluene has been developed. 用气相色谱法测定了间甲基二苯醚中的微量氯苯和间甲酚。
In this paper,the research progress on preparation and separation of p hydrobenzaldehyde by p cresol is discussed in details. 阐述了对甲酚催化氧化法合成对羟基苯甲醛的制备及分离工艺研究进展和发展趋势。
P tolyl phenyl acetate is synthesized with Benzeneacetic acid and p cresol under presence of 4 dimethylaminopyridine(DMAP) and dicyclohexylcarbodiimide(DCC) at room temperature. 苯乙酸和对甲酚在二环己基碳二酰亚胺(DCC)存在下,用4-二甲氨基吡啶(DMAP)作催化剂合成苯乙酸对甲苯酯,反应时间短,反应条件温和,后处理容易,产率
Horseradish peroxidase catalyzed the copolymerization of lignin with cresol in the reversed micellar system.The maximal mean molecular weight of copolymer resulted in 1890 kDa. 行了过氧化物酶催化木素与酚共聚反应实验，结果表明，聚合物重均分子量可以用活性剂浓度、酶浓度、单体浓度、油相中醇烃比来调控。
The method was based on the inhibition effect of iodine on the nitrite catalyzed oxidation of cresol red by potassium bromate catalyzed by nitrite in dolute sulfuric acid medium. 研究了在稀硫酸介质中,痕量碘离子对亚硝酸根催化溴酸钾氧化甲酚红的阻抑作用,建立了测定痕量碘离子的阻抑动力学光度分析的新方法。
The catalytic synthesis of methoxytoluene via the reaction of cresol with dimethyl carbonate (DMC) as methylating reagent under vapor-solid phase conditions was studied. 本文对DMC作甲基化试剂与甲基苯酚气固相催化合成甲基苯甲醚进行了研究,热力学计算表明DMC与甲基苯酚的气相反应为吸热反应,高温有利于反应的进行。
A simple spectrophotometric method for determining low pH value was developed based on the absorption decline of brilliant cresol blue in strong acid solution(0<1.0). 利用灿烂甲酚蓝在强酸条件下(0<1.;0)吸光度随溶液中H+浓度的升高而有规律的下降;提出一种快速测定溶液酸度的分光光度法。
tetrabromophenol sulfonphthalein 四溴苯酚磺酞
phenol sulfonphthalein excretion test 酚磺肽排泄试验
Progress in the production of sebacic acid from castor oil by high temperature caustic pyrolysis reaction was reviewed and the process, treatment of wastewater containing phenol or cresol, the purification of sebacic acid and so on were introduced. 摘要论述了近年来蓖麻油裂解制癸二酸生产工艺的研究进展，重点介绍了生产工艺的改进、含酚废水的治理、癸二酸的提纯等方面的最新研究成果，并指出目前癸二酸生产中仍存在的问题和进一步研究的方向。
The cresol is used as the restrainer of pantocrine injection, however, it can infIuence ultravio-let absorption of pantocrine injection. So it should be distilled when it is determined. 甲酚作为鹿茸精注射液的抑菌剂,它对鹿茸精注射液的紫外吸收有干扰,故测定时需要蒸去申酚。