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- propanoic anhydride [化] 丙酸酐
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐;
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- N-phenyl maleimide was synthesized from maleic anhydride and aniline. 摘要以顺酐和苯胺为原料,合成N-苯基马来酰亚胺。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
- A polyamide imide was synthesized from trimelltic anhydride and di isocyanate. 本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺。
- A copolymer has been synthesized from acrylic acid and maleic anhydride. 以丙烯酸和马来酸酐为原料合成出了一种共聚物。
- Poly(PEG(1)-adipic anhydride(2)) was synthesized by melt polycondensation. 采用熔融缩聚法合成了PEG(1)-己二酸酐(2)聚合物。
- OBJECTIVE To study the feasible synthesis method of poly-sebacic anhydride. 目的研究聚癸二酸酐适宜的合成方法。
- To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it. 摘要利用反相高效液相层析法测定丹参素和原儿茶醛的含量以控制通脉粉针剂质量。
- The endo anhydride method is the main process in chemical synthesis today. 化学合成法中的内酐法为现阶段的主要生产方法;
- The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials. 以丙酸和三光气为原料,用三光气法合成了纯度较高的丙酰氯。
- Acid and anhydride functionalized PP, PE and EVA forms are available. 酸或者酸酐功能化PP、PE和EVA等形式都是有的。
- The adsorption of formic acid, acetic acid, propanoic acid, pemanoic acid on basic polysiloxane resin was studied. 本文研究了甲酸、乙酸、丙酸和戊酸在三乙醇胺交联聚硅氧烷树脂上的吸附行为。
- The engineering feasibility of making propanal, propanoic acid, and propanol by high-pressure oxoprocess was reviewed. The productive suggestion was also proposed. 探讨了利用高压羰基合成装置生产丙醛,进而生产两酸、丙醇的可行性。并提出了吉化生产上述产品的建议。
- Succinic acid dehydration is one of industrial methods to produce succinic anhydride. 丁二酸脱水法是工业生产丁二酸酐的方法之一.
- Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained. 而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
- This may be readily converted to the anhydrous salt by reaction with a readily hydrolysed material, such as acetic anhydride. 这和易水解的物质如醋酸酐反应可以很容易转变为无水盐。