鄰羥苯甲酸 的英文怎麼說
中文拼音 [līnqiǎngběnjiǎsuān]
鄰羥苯甲酸
英文
salicylic acid-
Fine chemical producer in china. products are mostly cyanobenzyl derivatives, used as intermediates for fluorescent bleaching agents, dyes, pharmaceuticals, and agrochemicals
-主要生產三氯新，間羥基苯甲酸，鄰氯氯芐等醫藥農藥中間體及抗菌添加劑的單位。Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis
文摘:以咪唑催化鄰苯二甲酸酐酰化的方法測定增強劑is211的羥值，準確度高，分析誤差為5 . 0 10 - 3 ；方法精密度好，標準偏差小於0 . 4 ，變異系數不大於5 . 0 10 - 3 ，測定不同批號試樣的羥值完全符合商標值，方法快速、簡便，適用於常規分析。Syntheses of polyethylene glycol bridged diparahydroxylbenzaldehyde condensed ortho - aminobenzoic acid
多縮乙二醇橋連二對羥基苯甲醛縮鄰氨基苯甲酸的合成The primary synthetic methods of 4 - hydroxycoumarin was reviewed starting from phenol, 2 - acetylsalicylic acid, methyl salicylate, and o - hydroxyacetophenone respectively
摘要概述了4 -羥基香豆素的合成方法，重點介紹了苯酚法，乙酰水楊酸法，水楊酸甲酯法，鄰羥基苯乙酮法。Polyglycols for industrial use. determination of hydroxyl number. phthalic anhydride esterification method
工業用聚乙二醇.羥基數值的測定.鄰苯二甲酸酐酯化法Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method
非離子表面活性劑聚烷氧基化衍生物羥值的測定鄰苯二甲酸酐法分享友人