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- A estimating model is established by regression method with known gas phate standard formation enthalpies of fluorbenzene, chlorbenzene and methyl benzoic acids derivatives in this paper. 用已知的氟苯、氯苯和甲基苯甲酸衍生物的气相标准生成焓,通过回归方法建立了估算模型。
- p - methyl benzoic acid 对甲基苯甲酸
- p-methyl benzoic acid sulphur 硫黄
- methyl benzoic acid [化] 甲基苯甲酸
- A salt or ester of benzoic acid. 甲苯酸盐一种苯酸盐或苯酸酯
- Abstract: Microwave irradiation was used in the synthesis of methyl benzoate from benzoic acid and methanol using oit of vitriol as a catalyst. 摘 要: 研究了微波辐射下苯甲酸甲酯的合成新方法。考察了微波辐射温度、微波辐射时间、酸醇摩尔比、催化剂用量对反应的影响。
- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- Experimental result in a small scale shows that the average conversion of benzoic acid is 89.97% and the average yield of methyl benzoate is 83.16%. 实验室小试结果显示;苯甲酸的转化率平均为89.;97%25;苯甲酸甲酯的得率平均为83
- It was originally obtained by decarboxylation of benzoic acid. 它最先是由苯甲酸脱羧而得到的。
- Benzoic acid has antibacterial and antifungal properties. 苯甲酸具有抗菌和杀真菌的特性。
- Oleum Chimonanthi, camphor, benzoic acid, salicylic acid, vaseline. 蜡梅油、樟脑、苯甲酸、水杨酸、黄凡士林、石蜡。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- Esterification method in aqueous phase(EMAP) can be used for the reaction of benzoic acid from cracking and oxidation of p -cymene with dimethyl sulfate. 对伞花烃裂解氧化产物苯甲酸与硫酸二甲酯的反应可以采用水相酯化法。
- They were acetic acid, benzaldehyde, n-caproic acid, 14-methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9-octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester. 它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6,9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
- Benzoic acid crystals may form as the result of storage at lower temperatures. 低温储藏时可以形成苯甲酸晶体。
- OBJECTIVE To prepare compound benzoic acid gel and perform a stability study. 目的研制外用抗真菌药复方苯甲酸凝胶,并对制剂稳定性进行观察。
- In the acid drink, sodium benzoate is converted to benzoic acid, which is more effective as a preservative. 在酸性饮料中,苯甲酸钠转化为苯甲酸,后者是更为有效的防腐剂。
- m-methyl benzoic acid methyl ester 间甲基苯甲酸甲酯
- 2-Fluoro-3-(tritluorin methyl)benzoic Acid 2-氟-3-三氟甲基苯甲酸
- 3-(Trifluoromethyl)benzoic acid methyl ester; 3-三氟甲基苯甲酸甲酯;