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- Method phenol sulfonic acid chromatometry was used in the experiment. 结果翼首草含糖量较高,且不同药用部位含糖量不同。
- The aminosulfonic-based superplasticizer was synthesized through polycondension of formaldehyde ,phenol and p-aminobenzene sulfonic acid. 通过对氨基苯磺酸、苯酚、甲醛三元单体在低浓和高浓条件下共缩聚反应,合成了氨基磺酸系高效减水剂。
- Amino-sulfonic acid series water-reducing agent was prepared with the materials of p-aminobenzene sulfonic acid,phenol and formaldehyde by changing the technical parameters. 以对氨基苯磺酸、苯酚、甲醛等为原材料,通过调整工艺参数,制备了氨基磺酸系高效减水剂。
- With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature. 本文研究了以对甲苯磺酸为催化剂,氯苯为溶剂,室温附近的条件下,苯酚及对叔丁基酚与甲缩醛反应的动力学。
- Coal tar , acetic acid,dodecylbenzene Sulfonic Acid. 本品为深褐色液体;有醋酸及煤焦油的特臭。
- Sulfonic acid is a foaming acid available from some of the oil companies. 磺酸是从一些炼油公司获得的一种起泡酸。
- Eastman-AQ is a new kind of polymer (ester sulfonic acid) cation exchanger. Eastman-AQ(AQ-55D,AQ-29D)是一种新的聚合物(磺酸酯)阳离子交换剂,涂于玻碳电极上,形成的膜具有强的附着力、高的选择性、良好的离子交换及防污性能。
- My company's products mainly include Arene sulfonic acid, sulfonated phenol derivatives, custom pure-class chromatography (HPLC) and special additives, such as four series. 我公司的产品主要包括芳烃磺酸、磺化酚衍生物、定制级色谱纯(HPLC)和专用助剂等四大系列。
- Method The rat model of ulcerative colitis was induced with2,4,6 trinitrobenzene sulfonic acid. 方法采用三硝基苯磺酸法制备大鼠实验性溃疡性结肠炎模型。
- A series of gallate ester were prepared in use of dodecyl benzene sulfonic acid as catalyst. 以工业用十二烷基苯磺酸为催化剂制备了一系列没食子酸酯,讨论了影响酯化反应的各种因素。
- Methods AEO 9 and dodecylbenzene sulfonic acid of different weight ratio were mixed in the solutions. 目的探讨脂肪醇聚氧乙烯醚(AEO)9水溶液增稠条件。
- Dodecylbenzene sulfonic acid was used as catalyst for the preparation of polyethylene glycol diacrylate. 用十二烷基苯磺酸作酯化催化剂,制备聚乙二醇二丙烯酸酯。
- The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated. 研究对甲基苯磺酸催化合成阿魏酸单甘油酯的工艺。
- Effect of amino sulfonic acid on hypochlorite bleaching of masson pine kraft pulp was experimented. 试验了氨基磺酸对马尾松硫酸盐化学木浆次氯酸盐漂白的影响。
- A new water soluble color reagent 1 (5 bromo 2 pyridylazo) 2,7 hydronaphthoquinone 6 sulfonic acid (5 Br PADN S) was synthesized. 报道了水溶性 1-(5-溴-2-吡啶偶氮)-2,7-萘二酚-6-磺酸(5-Br-PADN-S)的制备方法及其分析特性。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The n-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid. 以十二烷基苯磺酸为催化剂,酸醇直接酯化合成没食子酸正辛酯。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- Propanediol bisoleate were synthesized from oleic acid and 1,3-propanediol using p-toluene sulfonic acid as the catalyst. 以对甲苯磺酸为催化剂,油酸和1,3-丙二醇为原料合成了1,3-丙二醇油酸双酯。
- Phenol with two sulfonic groups 酚二磺酸