heteroatom
英
美
n. 杂原子；杂环原子；异质原子
双语例句
- Degradation of SNO Heterocyclic Compounds by Sphingomonas sp.; Study on Syntheses and Structures of Organotin Heteroatom Carboxylates and Heterocycle Mercaptan with N Atoms
含氮杂原子的羧酸及氮杂环硫醇有机锡化合物的合成及结构研究 - Heterocyclic compounds with oxygen heteroatom ( s) only.
仅含有氧杂原子的杂环化合物。 - Aluminophosphate Molecular Sieve Heteroatom Research Synthesis
杂原子磷酸铝分子筛合成的研究进展 - The key step was a substrate controlled asymmetric heteroatom conjugated addition.
关键反应为底物控制的不对称杂原子共轭加成反应。 - Study on the heteroatom parameters h and K in HMO
关于含杂HMO中参数h，k的研究 - The color stability of hydrotreated diesel fuel is connected with the contents of unsaturated compounds and heteroatom compounds.
加氢柴油的颜色稳定性与所含的不饱和烃和杂原子含量有关。 - Also some effects of heteroatom content ( nitrogen and sulphur) are illustrated.
也图示了杂原子（氮和硫）含量的一些影响。 - Most of the metal-containing liquid crystals so far described are coordination compounds in which the organic ligand is bound to the metal atom through a heteroatom, and palladium is among the most versatile metals.
在大多数己合成的金属有机液晶中，有机配体都是通过桥键与金属原子相连，而钯（Ⅱ）则是其中最广泛应用的金属之一。 - Studies on Electronic Structures and Spectra of Heteroatom-Substituted Porphyrins
杂原子取代卟啉的电子结构和光谱 - Studies oh metallocene olefin polymerization catalyst& ⅳ. The heteroatom containing single site catalysts and polymerization
茂金属烯烃聚合催化剂&Ⅳ.含杂原子单活性中心催化剂及聚合研究 - The two reactions refer to the conversions of color precursors: unsaturated compounds and heteroatom compounds.
这两种反应分别表示有色体前驱物不饱和化合物和杂原子化合物的转化。 - In this paper, the introduction of heteroatom gallium into the framework of a Y zeolite by the isomorphous substitution method had been reported and the desulfurization of various model fuels over the synthesized Y zeolite ( [ Ga] AlY) was studied.
本论文采用液-固相同晶取代的方法将镓引入到Y型分子筛骨架中，首次利用合成的杂原子分子筛（[Ga]AlY）对含有不同硫化物的模拟燃料进行了吸附脱硫研究。 - This paper introduced the progress in studies on the single site catalysts containing heteroatom like oxygen and nitrogen, including the late transition metal catalysts, and their applications in the polymerization of ethylene, α-olefins, cyclic olefins and other polar monomers.
介绍了含氧、氮等杂原子单活性中心催化剂，包括后过渡金属催化剂，应用于乙烯、α-烯烃、环烯烃及其他极性单体的聚合。 - These reactions show potential applications in C-C bond, carbon heteroatom bond, carbon rings and carbon heteroatom rings formation.
氨基取代烯烃、炔烃、丙二烯等的氢化胺化/环化等反应在有机合成中的主要用途，这些反应在形成碳杂原子键、碳碳键、碳环和杂环等方面具有广泛的应用前景。 - Generally the straight-run distillate fuel, which is of good stability, contains less content of heteroatom compounds.
直馏柴油中的杂原子化合物含量低，安定性好。 - Research on Favorskii-rearrangement on Chiral Compound and Heteroatom's Alicyclic Ketone
手性化合物和杂环酮的法沃尔斯基重排 - The negative charges on carbonyl oxygen are increased because of the electron-donating effect of the heteroatom in the ring, which is in favor of the stability of the corresponding exocyclic enoltautomer;
环上杂原子的推电子效应提高了邻位羰基氧上的负电荷，从而有利于相应环外烯醇式异构体的稳定； - Heteroatom Containing Organosilicone Macromolecules as Gas Chromatographic Stationary Phases
含杂原子有机硅氧烷用作气相色谱固定相的研究 - The effect of α-H in the amine on the process of benzene oxidation was studied combined with the promoted effect of heteroatom compounds including N or O on benzene hydroxylation. 7.
结合N、O杂原子化合物对苯羟基化的促进作用，研究胺的α-H在苯氧化过程中的作用。 - The routes and methods for synthesis of the DHA derivatives, containing N, S heteroatom, were explored preliminarily.
初步探讨了含N、S杂原子的DHA衍生物的合成路线及方法。 - Especially those heteroatom conducting polymers, suchas containing nitrogen and sulfur atom, become the focus of research due to its light, electricity, sound, heat and other special properties.
尤其是含N、S类杂原子的导电聚合物，因其具有良好的光、电、声、热等特殊性能而成为研究的焦点。 - In this thesis, we choose graphene oxide ( GO) as precursors to prepare heteroatom doped graphene by different methods, and systematically studied their structures and properties.
本文以氧化石墨烯（GO）为前驱体，采用不同的方法制备杂原子掺杂石墨烯，并对其结构和性能进行了系统的研究。 - Larger quantity of polar groups and existence of heteroatom including oxygen and nitrogen deteriorate the ability of water resistance of asphalt.
含极性基团和氧氮杂原子多的沥青抗水损害能力较弱。 - Heteroatoms, such as S, N and O, are considered in the construction of average molecular structure. Two important structural parameters were proposed, including the number of alkyl chain substituents to aromatic rings and the number of total rings with heteroatom.
在平均分子结构中考虑了S、N、O杂原子，提出了两个重要的结构参数：芳环的烷基链取代数和校正的总环数，建立了构建重油组分平均分子结构的方法。 - Cesium hydroxide can reaction with organic weak acid to form carbon anion or nucleophilic heteroatom anions. Because the static electricity between the cesium ion and anion is weak, so the anions demonstrated strong nucleophilic.
氢氧化铯可以与有机弱酸作用，形成亲核的碳负离子或杂原子负离子，由于铯离子与阴离子之间的静电力较弱，使与之键合的阴离子表现出强的亲核性。 - Heteroatom doping has been an effective way to tailor the properties of graphene and greatly broadened the application areas of graphene, and opens up a new field of research in carbon materials.
杂原子掺杂是一种有效改善石墨烯性质的方法，并且极大的拓宽了石墨烯的应用范围，开辟了碳材料新的研究领域。 - On this basis, the element composition and mean structure were also studied. The results showed that the aromatic ratio, heteroatom and metal contents contribute to the high polarity of the asphaltenes.
结果表明，沥青质的高极性是由其高芳烃含量、高杂原子和金属含量引起的，这是研究稠油其它性质的基础。 - We know about the structure of some public drugs that have similarities portion. For example, the different groups are linked through the carbon and heteroatom bond and it include heterocyclic structure.
通过查阅相关文献我们还了解到一些上市的药物，它们的结构在一些方面具有相似点，如通过碳和杂原子形成的化学键，来键连不同的基团，所链接基团都含有杂环结构等。 - Partially introducing heteroatom, such as nitrogen, into the all carbon aromatic skeleton of PAHs will usually lead to dramatic changes in their physicochemical and/ or electronic properties.
通常在PAH骨架上部分引入杂原子，如氮等将对其理化及光电性质产生巨大的影响。