水楊酸乙酯 的英文怎麼說
中文拼音 [shuǐyángsuānyǐzhǐ]
水楊酸乙酯
英文
aethylis salicylas-
Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate
約有30種化合物已從綠茶的香氣中鑒別出來,其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水楊酸酯。Hydrogen peroxide ( h2o2 ), salicylic acid ( sa ), jasmonic acid ( ja ), ethylene ( et ) and brassinolide ( bl ) play important roles in this network
過氧化氫,水楊酸,茉莉酸,乙烯,油菜素內酯等信號分子在這個網路中起著重要作用。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。A recommend for basic organic chemistry experiment in university - the production of acetyl - salicylic ( aspirin ), which takes the salicylic acid and acetic oxidecon as raw material under the atmospheric pressure condition, takes the strong sulfuric acid as catalysis, through acetoxylation, heating, dialysising, filtering, heavy crystallization, the white solid product can be made finally
摘要推薦一個大學基礎有機化學實驗乙酰水楊酸(阿斯匹林)的制備,即在常壓條件下以水楊酸和乙酸酐為原料,在濃硫酸為催化劑下通過酰基化試劑酯化反應,經加熱、析濾、重結晶,最後得白色固體產品。Salicylic acid ethylester
水楊酸乙酯Content of the project : utilize co2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc
項目內容:利用二氧化碳資源,新建碳酸二甲酯、顆粒乾冰粉、水楊酸、輕質氧化鮮、碳酸鈉、乙撐脲生產線。Rough calculation of investment : 1 ) methyl carbonate : total investment is rmb100 million yuan ; investment return period is 4 years. 2 ) granular dry ice powder : total investment is rmb31 million yuan ; investment return period is 2 years. 3 ) salicylic acid : total investment is rmb25 million yuan ; investment return period is 3 years. 4 ) sodium carbonate : total investment is rmb50 million yuan ; investment return period is 3 years. 5 ) ethylene urea : total investment is rmb60 million yuan ; investment return period is 4 years
投資概算: 1 、碳酸二甲酯項目總投資1億元,投資回收期4年; 2 、顆粒乾冰粉項目總投資3100萬元,投資回收期2年; 3 、水楊酸項目總投資2500萬元,投資回收期3年; 4 、輕質氧化鮮項目總投資2000萬元,投資回收期2年; 5 、碳酸鈉項目總投資5000萬元,投資回收期3年; 6 、乙撐脲項目總投資6000萬元,投資回收期4年。分享友人