A Valence Bond Study of the Aromaticity of Boron Clusters and Cyclopropane 硼团簇与环丙烷芳香性的价键理论方法研究
Metal-Nonmetal-Metal Sandwiches: Out-of-Plane σ-Aromaticity and Electric Properties 金属非金属金属夹心型化合物:平面外σ-芳香性和电学性质
Topological resonance energy ( TRE) and bond resonance energy ( BRE) methods were applied to all the open structure isomers ( both cations and anions) of C36CH2 to investigate their aromaticity. 用键共振能和拓扑共振能方法对富勒烯C36CH2开环结构中的所有可能异构体及其阳离子和阴离子芳香性进行了研究。
The Theoretic Study of the Structure and Aromaticity of Purines Structural characterization of ramification of indoles for estimation and prediction of relative binding affinities 嘌呤衍生物的结构及性质的理论研究吲哚衍生物的结构表征以及活性预测
To have a good characterization of heavy hydrocarbons, the aromaticity correlation index has been developed on the basis of a wide range of data. 为更好地表征重烃,以广泛的数据为基础,开发了芳香度关联指数ACI。
Synthesis and Properties of Cellulose Acetate Derivatives The Theoretic Study of the Structure and Aromaticity of Purines 醋酸纤维素衍生物的合成及性质研究
Study on Relationships Between Atomic Ratio of Hydrogen to Carbon, Aromaticity and Hydrocarbon Type Content in Heavy Oils 重质油中烃类族组成含量与氢碳原子比、芳香度之间关系的研究
The Spectral and Electrochemical Properties of Aromaticity Heterocyclic Selenium Compounds 硒芳香杂环化合物的光谱和电化学性质
The results revealed that NOM with higher aromaticity and weaker polarity was preferably adsorbed. 结果表明,芳香性高、弱极性的有机物吸附性能较强;
Aromaticity is a very important parameter in researching pedogenesis, soil ecology and soil condition. 提出了芳香度的概念,它是反应胡敏酸和富啡酸分子中线型脂族聚合物片段与芳香性环型聚合物片段的比例,是研究土壤发生、土壤生态、土壤农业极为重要的特征参数。
The Spectrum, Electrochemistry and Self-Assembled Monolayers of Aromaticity Heterocyclic Selenium Compounds 若干硒芳香杂环化合物的谱学、电化学和自组装膜
Studies on Molecular Aromaticity by Means of Natural Bond Orbitals 自然键轨道方法研究分子的芳香性
The combination of this solvent fractionation and the solvent& resid phase diagram shows how the solubility classes of decreasing solubility evolve during thermal conversion either by increasing aromaticity or by molecular weight growth of low-volatility fragments. 在热转化过程中溶剂分馏和溶剂&渣油相图的结合揭示出低可溶性组分的形成过程是靠增加芳香度或靠低挥发性组分分子量的增大而进行的。
After pyridine extraction the aromaticity of all of three samples have increased. 吡啶抽提后三种显微组分残样中的芳香结构比例均有增加。
Aromaticity is the important concept in the field of organic chemistry and its application and the range of its application are increasingly enlarged. 芳香性是有机化学领域的重要概念,其应用与适用范围日益扩大。
The Development of the Study on the Criteria of Aromaticity 芳香性判据研究进展
What is aromaticity? The definition and criteria of aromaticity and inorganic aromatic compounds 什么是芳香性?芳香性的定义、判据和无机芳香性化合物
In this paper, the texture of kerogen is studied, using x-ray diffraction to determine the aromaticity of kerogen. According to the x-ray diffraction spectra, the microcrystalline parameter of the kerogen is calculated. 本文应用X射线衍射法测定干酪根的芳香度,并根据X射线衍射谱图计算干酪根的微晶参数,以研究干酪根的结构。
It shows that the carbon aromaticity of vitrinite. semivitrinite and inertinite is 0.84, 0.91 and 0.93 respectively. The aliphatic substituent group and chelate quinonyl contents in the molecular structural unit of vitrinite are higher than that of semivitrinite and inertinite. 结果表明:镜质组、半镜质组和惰质组的芳碳率分别为0.84、0.91和0.93,镜质组分子结构单元中含有较多的脂肪取代基和螯形醌基;
Three kinds of coal have different effect on polymer stability, for thermal stability, the effect degree are in agreement with the aromaticity of coal. 并且,煤种不同对聚合物基体的热稳定性影响不同,煤种使聚合物基体热稳性增加程度与煤的芳香度大小顺序一致。
Studies on the limit of aromaticity of conjugated cyclenes 共轭环烯芳香性的极限研究
Increasing reaction temperature and continuous supply of hydrogen decreased the aromaticity of the THF extract, but increased the extraction yield. 同时,一些芳香桥碳分子和被取代的芳香碳环发生了断裂,随着反应温度逐渐升高,由于不断供氢,四氢呋喃抽提物的芳香度逐渐降低,抽提率逐渐增大。
The interfacial viscosity ( IFV) of these components and water system, and the effects of aromaticity of model oil and pH value of water phase on the IFV were investigated. 又测定了各组分模拟油溶液的油水界面粘度(IFV),考察了油相芳香度、水相pH值等因素对油水界面粘度的影响。
A Study on Structures, Bonding Energies and Aromaticity for Mono-and Bi-Nuclear Sandwich Complexes within Density Functional Theory 单双核三明治配合物的结构、键能及芳香性的密度泛函研究
The Application of~ 1H-NMR in the Structural Analysis of Heavy Oil& Derivation of Aromaticity Calculating Equations 用~1HNMR作石油重质油结构分析中芳香度fa计算公式推导及经验式
Porphyrin is a kind of organic heterocyclic compounds which contains large ring conjugate structure and possesses aromaticity. 卟啉是一类具有大环共轭结构和芳香性的有机杂环化合物。
Precursors showed an increase in aromaticity and softening point from the raw materials. 与原料相比,沥青前驱体的芳香度和软化点均得以提高,并且具有优良的纺丝性能。
The predicted nuclear independent chemical shift ( NICS) values of benzene ring indicate that the benzene ring keeps its aromaticity throughout the addition-elimination mechanism. 苯环中心的核独立化学位移(NICS)值表明,加成消除机理中,所有驻点中苯部分或苯基中的苯环均保持其芳香性。
Heavy organic matter, with high carbon content and high aromaticity, is mainly composed of colloid and asphaltene and easy to polymerization and crosslinking etc., which is suitable as precursor of preparation of various functional carbon materials. 重质有机物主要组分为胶质和沥青质,具有含碳量高、芳香度高、容易聚合和交联等特点,适宜作为制备各种功能性炭素材料的前驱体。