aromatic group
英 [ˌærəˈmætɪk ɡruːp]
美 [ˌærəˈmætɪk ɡruːp]
芳基
双语例句
- Most of naphthenates go into polar compound fraction and subsection go into aromatic hydrocarbon fraction in group separation.
在族组分分离时，环烷酸盐一部分进入芳烃馏分，大部分进入非烃馏分； - Replacement of carbon atoms in these aromatic rings with transition metals produces a new group of aromatic family, the metalla-aromatics ( scheme above).
如上图所示，若芳环骨架中一个碳被过渡金属替代，则诞生了芳香家族的新成员&金属杂芳香化合物。 - 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 - It is worth while to note that the steroidal glycoside possessing an aromatic ring substituted alkanoyl group at its glucose moiety was found for the first time in fungi.
值得注意的是，这种糖片段上有芳环取代的烷酰氧基基团的麦角甾烷型甾体糖苷为真菌中首次报道。 - The reactions of estradiol and estrone with excess bromine in glacial acetic acid, resulted not only in bromination on the aromatic ring, but also in esterification and oxidation of 17b-hydroxyl group of estradiol, as well as the 16-bromination of estrone.
雌甾与过量溴反应时，不仅发生芳环的溴代，而且还发生雌二醇17β-羟基的酯化、氧化以及雌酚酮16-溴代。 - But R is an aromatic group the cleavage at the crownether parts in their molecules is predominant process.
R为芳基时则在分子的冠醚部份首先发生裂解。 - 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 - 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。 - Infrared spectroscopy shows that aromatic group is grafted onto the molecular chain of CPP.
红外谱图表明，在原来的CPP分子链上接上了芳环基团。 - Prt-Conjugation of the Aromatic Compounds with the Elements of Group ⅴ A or ⅵ A
含第Ⅴ或Ⅵ主族元素芳香化合物的Pπ共轭 - 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。 - Nineteen gemini surfactants with flexible or rigid spacer have been synthesized, among them ten surfactants with rigid spacer of aromatic group were new compounds.
设计合成了八类共计19个阳离子型连接基团分别为柔性和刚性基团的双子表面活性剂，其中五类共计10个为未见文献报道的新化合物。 - Application of Aromatic Group and Heterocyclic Ring Substituent Thioureas in Analytical Chemistry
芳基和杂环取代基硫脲类试剂在分析化学中的应用 - The preoperative branched chain amino acid ( BCAA)/ aromatic amino acid ( AAA) ratio was less than 2 in the PH group and larger than 3 in the GE group after operation.
支链氨基酸与芳香氨基酸之比（BCAA／AAA）在分流术前小于2，对照则大于3，术前术后两组变化均不明显。 - Synthesis of Phosphatidylcholine Analogues Bearing Aromatic Group
含芳基磷脂酰胆碱类似物的合成 - Treatment Technology for Aromatic Nitro-group Compounds Wastewater
芳香族硝基化合物废水处理研究 - Advance of biodegradation mechanism of aromatic nitro-group compounds
芳香族硝基化合物生物降解代谢研究现状与展望 - 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。 - Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。 - 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。 - The results show that the structures of compounds have significant effect on their photochromic properties, e.g. compounds with aromatic transfer group have excellent photochromic properties;
利用紫外-可见光谱研究化合物的光致变色性，结果表明，化合物的结构影响其变色性能，当迁移基团为芳香基时，其变色性较好； - 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。 - 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。 - The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.
结果表明，萃取物中含有脂肪族结构、芳香结构、大量含氧基团，并含有脂环化合物。 - 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。 - A series of novel plant activators were synthesized based on the commercial plant activator BTH by introducing alkyl chain of different lengths and various aromatic moieties to its ester group.
通过引入不同长度的柔性烷基链以及芳香羧酸，对商品化植物抗病激活剂BTH进行衍生，设计创制了系列新化合物。 - 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。 - The incorporation of aromatic group into copolymer chain can suppress its thermal decomposition rate.
交换反应生成的共聚物链段中含有刚性基团，使得共混物的热分解性能显著提高。 - Polycyclic aromatic hydrocarbons ( PAHs), a group of ubiquitous semivolatile organic compounds ( SOCs), are mainly originated from incomplete combustion of fossil fuel and biomass.
多环芳烃（PAHs）是环境中广泛存在的一类典型的半挥发性有机污染物，主要来自于化石燃料和生物质的不完全燃烧。 - High yield and enantioselectivity were received in the cases of aromatic aldehydes as substrates especially when the employed chiral ligand has a hydroxyl group attached to the chiral center.
当芳香醛为底物时，尤其是在手性中心连有羟基配体存在下，不对称加成产物得到很高的产率和对映选择性。