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- benzoic conden - sation reaction 安息香缩合反应
- In this paper, We report a new method for syntheses of 1-acryloyl 1.2.3 -benzotriazole (ABT) which can be prepared by conden sation reaction of acrylic acid with 1H-bcnzotriazole. 本文用丙烯酸与1-H苯并三氮唑反应合成了1-丙烯酰基1、2、3-笨并三氮唑(ABT)。
- According to Bernoulli theorem,kinetic energy and potential energy change due to the thermokinetic differences of steam and conden sation water,and action valve plate starts and stops to choke air and drain water. 圆盘式疏水阀是根据伯努力热动力原理，利用蒸汽和凝结水通过阀孔时流速和何种产生变化的不同热力学性质，驱动阀片开关阀门，从而达到阻汽排水。
- Keywords colority;ester exchange;conden sation alkannolamide; 色度;酯交换;缩合;烷醇酰胺;
- conden sation heat transfer 凝结换热
- A salt or ester of benzoic acid. 甲苯酸盐一种苯酸盐或苯酸酯
- He reach in the trian sation when the train leave. 他到达火车站刚好赶上火车.
- Beijing sation is near, please prepare to ger off. 前面即将到达北京路站;到站的旅客请准备下车.
- 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。
- What salt is to food,that humour is to conver sation. 幽默对于会话恰似盐对于食物一样。
- 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。
- The Court of Cas sation: The highest of the Courts of General Jurisdiction. 最高上诉法院:一般法院的最高法院。
- 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。
- The low speed compen- sation effect of the former is obviously better than the latter. 显然前者的低速补偿效果更好。
- Three environmental problems:pollution,vapor conden sa tion and white plume in unheated scrubbed plume are discussed,some calculated sa mples are given. 讨论了湿烟气直接排放带来的3个环境问题:抬升高度低,地面污染浓度较大;
- A Eulerian/Eulerian model was developed for calculation of the wet steam flows with spontaneous conden- sation. 对存在自发凝结的湿蒸汽两相流动进行研究，在欧拉/欧拉坐标系下建立数学模型。
- Relationship between photocatalytic degradation of benzoic acids and reaction with hydroxyl radical. 苯甲酸类光催化降解和羟基自由基反应的关系。
