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- polyaromatic carbonyl 多环芳羰基
- Cyclopropane carbonyl chloride is an important intermediate. 环丙甲酰氯是一种重要的中间体。
- The temperature of carbonyl synthesis reaction is studied. 摘要对羰基合成反应的温度进行了研究。
- Chlorotyrosine was not elevated in patients with high MPO or carbonyl levels. MPO或蛋白质羰基升高的病人3-氯酪氨酸并不升高。
- Influence of concentrationof carbonyl ironon static magnetism was not obvious. 五羰基铁浓度对复合粒子的静磁性能影响不明显。
- Chlorotyrosine was not eleated in patients with high MPO or carbonyl leels. MPO或蛋白质羰基升高的病人3-氯酪氨酸并不升高。
- Reaction of Carbonyl Compounds with Grignard and Organolithium Reagents. 醇,醛与酮和羧酸之间的氧化还原关系。
- Boron-substituted polyaromatic mesophase was prepared by co-pyrolysis of a coal tar pitch with pyridine-borane complex under autogeneous pressure. 以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青。
- A large number of potential carcinogens can be released in incense smoke, including polyaromatic hydrocarbons, carbonyls, and benzene. 大量的潜在的致癌物随熏香的烟雾散发,包括多环芳烃,碳氢化合物,羰基和苯。
- This method represents a useful conversion of the carbonyl group to the amino group. 它成为一个使羰基变为氨基的有效方法。
- This approach to carbonyl compounds also allows the synthesis of either optical antipodes. 这个一氧化碳合成方法也可以制备任何一个旋光对映体。
- Lf however instead of clean oils tar used, these ofien contain hidh amounts of polyaromatic hydrocarbons, which-as discussed before-are known to be carcinogenic. 如果用了矿物油焦油,就会含有多环芳烃一致癌物。
- Past research has found that burning these materials can produce potentially cancer-causing substances, including benzene and polyaromatic hydrocarbons. 过去的研究发现,燃烧这些物料可能会产生致癌物质,其中包括苯和多环芳烃。
- The surface lipids undergo oxidation generating many compounds containing hydroxyl and carbonyl groups. 表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。
- Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group. 重点强调取代、消除反应和含羰基基团的化学性质。
- The most important chemistry of dithianes, however, lies in their ability to act as a masked carbonyl group. 然而二硫杂环已烷的最重要的性质是它作为一个被掩蔽的羰基。
- The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups. 表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。
- In the other type of monosaccharide, the carbonyl function is a ketone group. These sugars are termed ketoses. 在另一种类型中,羰基的功能是作为酮类,这些糖被称为酮糖。
- The lower molecular weight volatile carbonyl compounds are of interest because of their influence on flavor. 低分子量挥发性羰基化合物,因为它们对风味的影响而有益。
- There is a rise in the content of both free amino acids in the crumb and volatile carbonyl compounds in the crust when proteinase is used. 当使用蛋白酶时,面包屑中的游离氨基酸与面包皮中的挥发性羰基化合物的含量都会有所增加。