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- It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms,the benzene adopts acclivitous conformation,others lie low on the Ag surface. 结果表明:在银溶胶表面上,羧基氧原子与银形成化学建,苯环是稍微倾斜地吸附在银胶面上,其它部分则平躺吸附于银溶胶表面。
- It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface. 结果表明:在银溶胶表面上,羧基氧原子与银形成化学建,苯环是稍微倾斜地吸附在银胶面上,其它部分则平躺吸附于银溶胶表面。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- carboxyl oxygen 羧基氧
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Containing two carboxyl groups per molecule. 二羧基的每个分子中含有两个羧基的
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- The pH is equal to the of the carboxyl group. 等于羧基pKa的pH
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。
- The introduction of a carboxyl group into a compound or molecule. 羧化把一个羧基引入一个化合物或一个分子
- It adapts itself to water with low oxygen content. 它能适应含氧量少的水。