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- polvethvlene malonate 聚丙二酸亚乙基酯
- However, Malon detects Dalan’s trickery due to her clumsy slipup. 大兰破绽百出,被马郎识破。
- Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain. 除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?解释。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。
- The preparation of 3,5-dinitroacetophenone from 3,5-dinitrobenzoic acid and diethyl malonate has been investigated. 本文采用丙二酸二乙酯合成法,以3,5-二硝基苯甲酸为原料,经酰化、缩合、脱酸等步骤合成了3,5-二硝基苯乙酮。
- The purity of final product is 98% with yield up to 96% (in terms of diethyl malonate). 目标产品纯度98%25,产率高达98%25(以丙二酸二乙酯计)。
- In this paper a new method on the Preparation dimethyl malonate has been proposed. 本文通过对丙二酸二甲酯合成新方法的研究,收率达到80%25以上。
- A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。
- The functional groups, such as malonate, acetoxyl, and phthalic amide in allene 3, are tolerable under the current conditions. 这种功能基团,像丙二酸根,乙酰氧基和邻苯二甲酰胺,在丙二烯3中在当前条件下可以存在的。
- Conditions for the synthesis of iso-propylidene malonate was improved with a yield of 82.8%,higher than 49% reported previously. 改进丙二酸亚异丙酯的合成条件;使产率达到82.;8%25。
- It was obtained from diethyl malonate in about 24 2% yield through hexylation, methylation, hydrolysis and decarboxylation. 以丙二酸二乙酯为原料,经己基化、甲基化、水解、脱羧,合成了2-甲基辛酸,总收率为242%25。
- The preparation of dimethyl malonate was studied with monochloroacetic acid,methanol and sodium cyanide by cyanidation and esteriflcation. 对氰化酯化法合成丙二酸二甲酯的工艺进行了改进。
- Methods: The title compounds were synthesized from malonate and p-cresol.Orthogonal test was carried out to find out the optimal condition. 方法:以丙二酸和对甲酚为原料合成目标化合物,用正交试验摸索最优条件。
- Diethyl malonate is an important organic synthetic intermediate which is widely used in the production of pharmaceutical, colorants and spicery. 丙二酸二乙酯是重要的有机合成中间体,广泛应用于医药、染料和香料等工业。
- They say that Malon of Lon Lon Ranch hopes a knight in shining armor will come and sweep her off her feet someday. (同上) 有流言说,Lon Lon Ranch的Malon希望有一天,一位身着银甲的骑士会从她跟前昂首走过。
- They say that Malon set the original record in the obstacle course of Lon Lon Ranch. (同上) 有流言说,是Malon自己设置了Lon Lon Ranch里,跨栏教程的初始记录。
- Receptors 1 and 2 have a better selectivity and higher association constants for malonate anion than other anions examined by the present work. 受体 1 和 2 对丙二酸阴离子具有一个较好的选择性和较高的结合常数。
- Xiaolan adores the lovely Malan flower.Lord Malon admires the simple and truthful Xiaolan.They fall in love and marry. 小兰向往着美好的马兰花,马郎仰慕着质朴的小兰。
- Treatment of "three wastes", process feature, and its result were given for producing diethyl malonate from chloroacetic acid by cyanation and esterification. 介绍了氯乙酸氰化酯化法生产丙二酸二乙酯时“三废”的治理工艺、技术特点及其效果。