查询词典 acid anhydride

Acenaphthenone was prepared by the oxidation of acenaphthene in the presence of chromic anhydride , acetic acid and polyethylene glycol as a phase transfer catalyst under mild reaction conditions with high yields.

研究了在铬酸酐、冰醋酸和相转移催化剂聚乙二醇存在下苊的氧化反应，较温和的条件可高产率地得到苊酮。

CHEMICAL ANALYSIS OF ACETIC ACID AND ACETIC ANHYDRIDE.

NF T20-625-1965 醋酸和醋酸酐的化学分析。

Translate methanol and carbon monoxide for acetic anhydride and acetic acid was important for chemical energy industrial of northern Shaanxi.

同时对加强醋酐的市场开拓、提高我国醋酐工业的整体水平有重大经济意义。

Then add, in the following order, 93±3 mg (0.5 mmol) of ferrocene, 0.35 mL of acetic anhydride, and 0.1 mL of 85% phosphoric acid.

然后按以下的次序，加入93±3 mg (0.5 mmol)的二茂铁，0.35ml的乙酐，和0.1ml 85%的磷酸。

Ferrocene will be acetylated by the action of phosphoric acid* and acetic anhydride*.

二茂铁可以与磷酸*和乙酐*作用而被乙醯化。

The new preparation method of polymaleic acid from maleic anhydride by plasma-initiated polymerization in aqueous solution was studied.

本文研究了用等离子体引发马来酸酐水溶液聚合制备聚马来酸的新工艺。

For the first time acetic anhydride was used as solvent to disperse HAp particles, which avoided adding acid solution into the suspension and the gas formed by the electroanalysis of water.

石02具有介于钦和HAp之间的热膨胀系数，起到过渡层的作用，从而可降低烧结后涂层和基底之间的残余应力，减少 HAp涂层裂纹的发生，进一步改善了涂层的结合性能。

The site includes capacity for acetic acid, vinyl acetate monomer, acetic anhydride, as well as vinyl acetate emulsions, GUR ultra high molecular weight polyethylene and Celstran.

南京综合化工基地将使用塞拉尼斯的先进技术，并与公司在华醋纤合资企业一起成为塞拉尼斯在华发展的重要力量。

The seven units at the complex include capacity for acetic acid, vinyl acetate monomer, acetic anhydride, vinyl acetate emulsions, Celstran long fiber-reinforced thermoplastic, GUR ultra-high molecular weight polyethylene and a polymer compounding unit.

基地包括醋酸、醋酸乙烯单体、醋酐、醋酸乙烯-乙烯共聚乳液、超高分子量聚乙烯和长纤增强热塑性塑料的生产装置以及特种功能高技术复合材料装置。

Green scale inhibiter ; polyaspartic acid ; maleic anhydride ; synthesis ; biodegradation

绿色阻垢剂；聚天冬氨酸；马来酸酐；合成；生物降解

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。