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- thiophosphoric anhydride [化] 五硫化二磷
- 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。
- 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 O (1,2,2,2 tetrachloro)ethyl thiophosphoric hydrazides could be transferred into 1,3,4,2 oxadiazaphospholanes under alkaline condition. 四氯)乙基硫逐磷酰肼在碱性条件下可容易地生成1,3,4,2-口恶二唑磷杂环戊烷。
- 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。
- This paper reports the synthesis,purification and identi-fication of di(2-ethylhexyl)thiophosphoric acid as well asthe extraction behavior of metal ions with this new extrac-tant. 研究了新型萃取剂二(2-乙基己基)硫代磷酸的合成、纯化及结构鉴定。
- 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。
- A new type gemini surfactant was synthesized from 1,4-butanediol,maleic anhydride and 1-octadecanol. 采用1,4-丁二醇、马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1,4-丁二醇双琥珀酸十八醇双酯磺酸钠。
- When a conjugated system was contained in the cyclic anhydride, it gave N-phenylimide as the major product. 结果表明,环酐的分子结构直接影响反应结果,当酸酐分子存在共轭结构时以N-芳基内酰胺为主要产物。