Thioether dianhydride, 2,2 ｛4 [(4 nitrophenyl)azo]imino｝bis ethylamine(diamine monomer) were synthesized and characterized.
合成了硫醚二酐和 4 -硝基 -4 -[N,N-二 ( 2 -氨乙基 )氨基 ]偶氮苯 (二胺单体 )及对应的硫醚聚酰胺酸 ,并对其结构进行表征 。
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
sulphuric anhydride
三氧化硫, 硫(酸)酐
A Study on the Sulfatinal Modification of Dextran and Purification;
右旋糖酐的硫酸化修饰及产物提纯的研究
Determination of trace chloride and sulfate in chromic anhydride by ion chromatography
离子色谱法检测铬酐中的痕量氯离子和硫酸根
Oxidation desulphurization of coker gas oil by H_2O_2/acetic anhydride
双氧水/乙酸酐对焦化蜡油的氧化脱硫作用
Properties of scale-inhibiting of containing phosphine hydrolyzed polymaleic anhydride to CaSO_4
含膦水解聚马来酸酐对硫酸钙的阻垢性能研究
Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.
用一水硫酸氢钠为催化剂由水杨酸与乙酐酯化合成阿司匹林。
REACTION OF CYCLOKETONE,ACETYLACETONE AND ACETYLACETIC ESTER WITH KETENE OR ACETIC ANHYDRIDE IN THE PRESENCL OF COPPER SULFATE
硫酸铜催化下乙烯酮、乙酐与环酮、戊二酮及乙酰乙酸乙酯的反应
Corrosion Characters in Sulfuric Acid of Polypropylene Films Modified by Maleic Anhydride Plasma
马来酸酐等离子体改性聚丙烯薄膜表面的硫酸腐蚀行为
Hydrolyzed polymaleic anhydride was synthesized using iron ammonium sulfate as catalyst and hydrogen peroxide as initiator in aqueous media.
以水为溶剂,30%过氧化氢为引发剂,硫酸铁铵为催化剂,直接合成了水解聚马来酸酐。
Monochloroacetic acid was prepared by using acetic anhydride or sulfur as catalysts to chlorinate acetic acid respectively.
对以醋酐为催化剂和以硫磺为催化剂的醋酸氯化合成氯乙酸的优劣进行了比较研究。
PREPARATION OF 4-HYDROXYPHTHALIC ANHYDRIDE BY AN ALKALI MELT PROCESS FROM 4-CHLOROPHTHALIC ANHYDRIDE;
4-氯代苯酐碱熔融法制备4-羟基苯酐
Chemical reagent-Acetic anhydride
GB/T677-1992化学试剂乙酸酐
polyvinyl methyl ethermaleic anhydride
聚乙烯甲基醚／马来酸酐
determination of hydroxyl value-acetic anhydride method
羟值的测定-乙酐法
ethoxylated sorbitan
羟乙基化山梨糖醇酐
sorbitan fatty acid ester
山梨糖醇酐脂肪酸酯
xylitan monostearate
木糖醇酐单硬脂酸酯