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- Study on the Synthesis of Methyl Ionone by Cyclization Reaction 甲基紫罗兰酮环化合成的研究
- methyl ionone 甲基紫罗兰酮
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- Construction of methyl alcohol production project. 甲醇生产项目建设。
- Produced from lauryl alcohol and methyl laurate. 以硬酯醇及甲基棕榈。
- Produced from stearyl alcohol and methyl behenate. 可按客户要求生产。
- Produced from stearyl alcohol and methyl palmitate. 以硬酯醇及甲基二十二。
- To combine with the methyl radical. 使甲基化使与甲基根结合
- Methyl silicone oil polysulfonate drilling fluid. 产。甲基硅油聚磺高密度钻井液。
- CMC Sodium carboxy methyl cellulose (pharma. 羧甲基纤维素钠(药用)
- CMS Sodium carboxy methyl starch (pharma. 羧甲基淀粉钠(药用)
- But what happens if the methyl defense falters? 如果说这种甲基防御出了问题,又会发生什么事呢?
- The bis(S)-Naproxen methyl ester is(+)-enantiomer. 对其代谢过程作了初步探讨。
- 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。
- 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
- An organic compound,especially ethane,containing two methyl groups. 双甲基的,乙烷一种有机化合物,特别是乙烷,内含有两个甲基
- 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。
- The other, called L-methionine, is a donor of methyl groups. 另一个是L-甲硫氨酸,它可以提供甲基。
- ACR is a copolymer of methyl methacrylate with acrylate. ACR是一种甲基丙烯酸甲酯与丙烯酸酯类的共聚物。
- The yield of dimethoxy methyl aceto acetate can be reached 55.3 %. 二甲氧基乙酰乙酸甲酯的收率可达53.;3%25。