鄰羥苯甲酰 的英文怎麼說
中文拼音 [līnqiǎngběnjiǎ]
鄰羥苯甲酰
英文
salicylonitrile-
Workplace air - determination of vanadium pentoxide - n - cinnamoyl - o - tolyl - hydroxylamine spectrophotometric method
車間空氣中五氧化二釩的n -肉桂酰-鄰-甲苯羥胺分光光度測定方法Hydroxyphthalimade induced medicamentosa - like dermatitis in five patients
羥基鄰苯二甲酰亞胺致藥疹樣皮炎五例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。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。分享友人