this treatise is on subject of determinations of cresol content and its quality by g. c. the writers had made comparison between this way and china pharmacopoeia's.
本文介绍了测定甲酚皂溶液中甲酚含量及品质的气相色谱法,并将此方法和药典法进行了比较。
objective: to observe the effects of tinidazole composite cataplasm and formaldehyde cresol solution on the incidence of acute inflammation in root canal treatment of chronic periodontitis patients.
目的:探讨替硝唑复合糊剂和甲醛甲酚液对慢性根尖周炎根管治疗期间急癥的疗效差异。
tricresylphosphate was synthesized under the function of phase transfer catalyst, based on the raw materials of sodium cresol and phosphorus oxychloride.
以甲酚钠和氧氯化磷为原料,在相催化剂的作用下,合成三甲苯磷酸酯。
the treatment processes of acidic wastewater containing cresol from the production of sebacic acid from castor oil are reviewed in this paper.
对用蓖麻油生产癸二酸过程中产生的甲酚废水的各种处理方法进行了评述。
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 separation of meta- and para- methyl cresol ether using six type of packed and fused silica capillary columns is compared.
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 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.
以对甲酚为原料经溴化、水解、甲氧基化和甲基化4步反应合成药物中间体3,4,5-三甲氧基苯甲醛,总收率达53。
in this paper, the research progress on preparation and separation ofp 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。
the concentration ofp cresol and 3 methylindole in the slurry containing vermicompost was lower, compared with control; vermicompost had also decreased the concentration of most vfas in pig slurry.
蚯蚓粪也能降低猪排泄物中对甲酚、3 甲基吲哚和部分挥发性脂肪酸的浓度;
lignin and p cresol react each other from infrared spectrum of the coploymer.
红外光谱的结果表明:木质素与对甲酚发生了聚合反应。
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。
aromatics, a division of atul limited, india, is a leading manufacturer of para cresol and its downstream products such as para anisic aldehyde and para anisyl alcohol.
阿图公司芳香族化工部是全球对甲酚及其下游产品,如对甲氧基苯甲醛和对甲氧基苯甲醇等的领先制造商;
phenol and cresol isomers could be well separated in liquid crystal pbob packed column.
苯酚和甲酚异构体在液晶pbob填充柱上分离良好。
can be used as raw material for dyestuff , phenolic resin , medicine and oil paint . or used as the extracting agent of pure products such as phenol , cresol and xylenol.
可用于制造染料,酚醛树脂,医药,油漆等;还可作为提取苯酚,甲酚和二甲酚等纯产品的原料。