aromatic group的例句大全

Infrared spectroscopy shows that grafting of aromatic group on the molecular chain of CPP is successful.

红外谱图表明,在原来的CPP分子链 上接上了芳环基团.

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in aromatic weak acid& weak base mixture systems, one adsorbate with lewis acid functional group and another with basic group lead the intermolecular interactions more complicated, and the adsorption behaviors and mechanism onto adsorbent resin are not thoroughly understood.

对于芳香族弱酸-弱碱混合体系，一种吸附质含有弱Lewis酸性官能团、另一种含有弱Lewis碱性官能团，分子间作用复杂，在树脂上的吸附行为及其机理目前还缺乏足够的认识与了解。

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The corresponding aldehyde acetals were obtained in almost quantitative yields when alcohols were treated with aromatic aldehydes bearing an electron-withdrawing substituent such as a nitro group.

当强吸电子的芳香醛为底物如硝基取代的苯甲醛时，几乎定量给出相应的缩醛产物。

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The coke consisted mainly of aromatic compounds with alkyl and polycyclic aromatic hydrocarbons, and it also comprised some aromatic compounds with hydroxy group produced by further oxidation, dehydrogenation and polymerization of phenol on Lewis acid sites.

积炭物种主要为带有烷基的芳烃和多环芳烃，同时含有少量带有羟基的多环芳烃，这可能是由在L酸中心上生成的苯酚进一步氧化、脱氢和聚合形成的。

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Appropriate aromatic amines were diazotized and coupled with the active methylene of the PVK to give a group of yellow pigments, which have the similar properties with Hansan Yellow dye.

然后再以合适的芳胺经重氮化反应偶合到PVK的活性亚甲基上，合成出类汉沙黄颜料。

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synthesis and lc properties of a kind of side chain pu with aromatic azo-group

侧链型芳香族偶氮基聚氨酯的合成及其液晶态的研究

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synthesis and lc properties of a kind of side chain pu with aromatic azo- group

侧链型芳香族偶氮基聚氨酯的合成及其液晶态的研究

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the photochromic and fluorescent properties of nine spiropyrans with an aromatic fused ring or heterocycle group were studied.

研究9种带有芳香稠环或杂环基团的光致变色螺吡喃化合物的光致变色性能和荧光性质。

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His group has found hundreds of genes that encode enzymes which produce flavourings and aromatic compounds.

他的团队还揭秘了几百种酶的基因,正是这些酶的基因控制了造成浓郁口味和芬芳气味的化合物.

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Polycyclic aromatic hydrocarbons are group of ubiquitous pollutants.

多环芳烃是一类普遍存在的环境污染物.

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Polycyclic aromatic hydrocarbons ( PAHs ) are group of commonly seen environmental pollution, and existed in environment wide-ranging.

多环 芳烃 是一类常见的环境污染物, 在环境中广泛存在,由于其致癌性和致突变性而受到广泛关注.

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Synthesis and Characterization of a Bifunctional Initiator Containing Azo Bond and Aromatic Amine Group

含有偶氮键和芳香胺基双官能团引发剂的合成及表征游离基-阴离子引发剂

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A chemical compound containing the azido group combined with an element or radical. Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.

叠氮原子团和一种元素或一种基结合形成的一种化合物。大多数连于芳核能被直接取代的基团仅限于重氮盐。

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In this paper is reported for the first time a new nucleophilic substitution reaction; substituting a secondary nitramino group on the aromatic ring with an azido group.

本文首次报告了叠氮基取代芳环上仲硝胺基的新亲核取代反应。

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The electronic structures of the aromatic compounds with the elements of group ⅴ A or ⅵ A and the relation between P π-conjugation and their molecular geometries were described. The calculation of P π-conjugation energy was also represented in this paper.

本文对含第Ⅴ或Ⅵ主族元素的芳香化合物的电子结构，Pπ共轭与分子几何结构的关系以及Pπ共轭能的计算作一综述。

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In-termolecular reactions were observed with the C Pd bond formed by the C H activation of the aromatic ring and the nitrile group.

当然，人们也观察到了通过芳香C&H键活化产生的芳基碳钯键与腈基的分子间反应。

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Substitution of the aromatic hydrogen atom of the Schiff base ligand with electron withdrawing group decreased the amount of the complex encapsulated in the zeolite cavities, but could improve the catalytic activity of the encapsulated complex.

席夫碱芳环上的H被吸电子基团取代后，降低了Y分子筛超笼中封装的钴配合物的量，但能改善催化活性。

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