单词phthalic
Escaping materials in phthalic anhydride melting and condensing trunk is one of the most common faults in production.
热熔冷凝箱体跑料是苯酐生产最常见的故障之一。
Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.
用六氢化邻苯二酸酐加入到邻苯二酸酐中，可使其放热反应减慢。
The product of national patent products, domestic maleic anhydride, phthalic anhydride industry equipment exclusive manufacturing plant.
该产品获国家专利产品，是国内顺酐、苯酐业设备独家生产厂。
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. POLAROGRAPHIC DETERMINATION OF MALEIC ANHYDRIDE.
酞酐的化学分析.极谱仪的马来酸酐含量的测定
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. DETERMINATION OF IMPURITIES OXIDIZABLE IN THE COLD BY POTASSIUM PERMANGANATE.
酞酐的化学分析.用高锰酸钾测定低温氧化杂质的含量
CHEMICAL ANALYSIS OF MALEIC AND PHTHALIC ANHYDRIDES. POTENTIOMETRIC DETERMINATION OF FREE ACIDITY.
马来酐和酞酐的化学分析.游离酸度的电位滴定法
The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.
对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。
Results 22 compounds were identified and was 99% of the total peak area, in which, the Phthalic acid mono-(2-ethylhexyl) ester was 87%.
结果共鉴定了22个成分，占总峰面积的99%，而其中邻苯二甲酸乙基己基酯占87%。
Said active carbon is particle in shape, fixed bed can be used absorption or stirring kettle type absorption to treat phthalic anhydride.
该活性炭为颗粒状，可采用固定床吸附或搅拌釜式吸附处理苯酐。
NON-IONIC SURFACE ACTIVE AGENTS. POLYALKOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. PHTHALIC ANHYDRIDE METHOD.
非离子表面活性剂.聚烷氧酯衍生物.羟基指数的测定.酞酸酐法