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- acetyl ionone 乙酰紫罗兰酮
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化,把一乙醯基带入(一有机分子)之中
- Who knows what effect acetyl salicylic acid has? 谁知道乙酰水杨酸有什么作用?
- To bring an acetyl group into(an organic molecule). 乙醯化使乙醯化,把一乙醯基带入(一有机分子)之中
- Acetyl choline can how is sexual urticaria treated? 乙酰胆碱能性荨麻疹怎么治疗?
- Then prepare the acetyl ferrocene. 反应制得夹心结构的二茂铁。
- An example of the acyl group is the acetyl group. 乙酰基是酰基的一个例子。
- This paper deals with the synthesis of acetyl spiramycin. 本文对乙酰螺旋霉素的合成工艺进行了系统研究。
- A method on synthesis of ionone from litsea cubeba oil had been developed. 改进了由山苍子油合成紫罗酮的方法。
- One, called TSA, inhibits the enzyme that removes acetyl groups. 一个是TSA,它可以抑制去除乙酰基的酶。
- The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively. 反应条件温和;周期短;缩合反应的产率达96.;2%25;环化反应的产率达97
- In aerobic respiration it is decarboxylated to form acetyl CoA. 在需氧呼吸中,丙酮酸脱去羧基形成乙酰辅酶A。
- Lutein and zeaxanthin are both dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素和玉米黄质是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Lutein is dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Ionone was synthesized from Litsea cubeba oil and lemen oil,and condition of condensation,cyclization and purification of product was studied. 以山苍子油、柠檬草油为原料合成紫罗兰酮,研究了缩合反应、环化反应、产品精制的工艺条件;
- The company, founded in 2001, specializing in the production of sales ionone, Cang-class integrated oil products spices. 本公司创建于2001年,专业生产销售紫罗兰酮、山苍籽油类综合香料产品。
- A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced. 介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。
- This article describes the application of a new desulfurizing catalyst G1 in Yangzi Acetyl Chemical Co Ltd. 文章介绍了新型脱硫催化剂G1在扬子乙酰公司的应用情况。
- The optimal reaction condition was obtained.The yield of poudoallyl ionone reaches 74. 5%,the yield of objective product allyl ionone reaches 87. 5%. 假性烯丙基紫罗兰酮收率达74.5%25,目标产物烯内基紫罗兰酮收率达87.5%25。
- Finally, in 1853, a French 4)chemist called Charles Gerhardt 5)managed to produce acetyl salicylic acid, or aspirin. 最后在1853年,法国化学家查尔斯葛哈德终于制造出乙醯柳酸,即阿司匹林。