1)Electrotopological state indices for atom type原子类型电拓扑状态指数
1.Electrotopological state indices for atom type (ETSIAT) were employed to establish a quantitative structure-activity relationship (QSAR) model of antitumor activity for 17 indolo[1,2-b]quinazoline derivatives.采用原子类型电拓扑状态指数(ETSIAT)对17个吲哚喹唑啉衍生物的抗癌活性进行定量构效关系(QSAR)的研究。
英文短句/例句
1.Electrotopological State Indices for Atom Type and Its Application to QSAR Study原子类型电拓扑状态指数及其在QSAR中的应用研究
2.Prediction of Antitumor Activities of Indolo[1,2-b]Quinazoline Derivatives Using Electrotopological State Indices for Atom Types原子类型电拓扑状态指数预测吲哚喹唑啉衍生物的抗癌性
3.Prediction of auto-ignition temperatures of alkanes by electrotopological state indices应用电性拓扑状态指数预测烷烃自燃点
4.Modeling flash point scale of hydrocarbon by novel topological electro-negativity indices新型拓扑电负性指数模拟烃类物质闪点的标度
5.A Topological Index of Extranuclear Electron of Lanthanide Atoms镧系元素的核外电子拓扑指数及应用
6.A molecular topological research on thegas chromatographic retention index of alcohol isomer醇类异构体气相色谱保留指数的分子拓扑研究
7.Research on Correlation between Topological Index ~mP and Valence Electron Orbit Energy;拓扑指数~mP在价电子轨道能量中的相关性研究
8.The effect of electronegativity and valence electron orbit energy topological index on superconductive critical transition temperature of doping MgB_2 system电负性/价电子轨道能拓扑指数与MgB_2体系转变温度的关系
9.Construct Network Topology Based on OSPF Database基于OSPF链路状态数据库构建网络拓扑
10.Topology Error Identification in Power System State Estimation;电力系统状态估计中的拓扑错误辨识
11.Research on a Novel Circuit Topology for Electronic Ballast of HID Lamps新型HID灯电子镇流器电路拓扑的研究
12.A few important topological indices for research on QSPR of alkyl benzenes;用于烷基苯类QSPR研究的几种主要拓扑指数
13.Research on Principles and Applications of on Load Tap Changing Voltage with Connectivity Topology Assembling State;连通拓扑组合状态有载调压原理与应用研究
14.The Study on Network Topology and State Estimation Based on PMU;电力系统网络拓扑及基于PMU状态估计算法研究
15.Observability Analysis of Distribution System Based on Topological Arithmetic基于拓扑法的配电网状态估计可观性研究
16.Reaction Mechanism and Topological Analysis of Electronic Density for the Reaction of HNCS with ClHNCS与Cl原子的反应机理及电子密度拓扑分析
17.Analysis of Connection between Electric Power Network Composition and Capability Performance Based on Topology Index;基于拓扑指数的电网结构与其性能关系的分析
18.Development of Models for Predicting Activities of Organic Compounds Used in the Fields of Enviroment and Pharmaceutics Based on Topological Indices;拓扑指数在环境与制药领域模型化应用的研究
相关短句/例句
electrotopological state index for atom type原子类型电拓扑指数
3)Electrotopological state indices电拓扑状态指数
1.In this paper,Hall's electrotopological state indices(En) and Kier's valence molecular connectivity indices(mxv) are calculated for 38 monocarboxylic acids.对38种有机一元羧酸的电拓扑状态指数(En)及价分子连接性指数(mxv)进行了计算,建立了有机羧酸pKa与拓扑指数的数学模型。
4)electrotopological state index电拓扑状态指数
1.The electrotopological state index(ETSI) was employed to characterize the structures of 42 nitrobenzene compounds.以电拓扑状态指数表征硝基苯类化合物的分子结构,计算了42个硝基苯类化合物中所含41种原子类型的电拓扑指数。
5)electrotopological state indices电性拓扑状态指数
1.Prediction of auto-ignition temperatures of alkanes by electrotopological state indices应用电性拓扑状态指数预测烷烃自燃点
2.Both Xu index based atom-type AI indices and electrotopological state indices were used to describe the structures of 80 liquid hydrocarbon molecules,and quantitative structure-property relationship(QSPR) models were developed to predict the heat of combustion of those 80 liquid hydrocarbon by using the artificial neural network and the multilinear regression approach,respectively.分别以基于Xu指数的原子类型AI指数和电性拓扑状态指数作为分子结构描述符表征80个液态烃的分子结构特征,并分别结合人工神经网络和多元线性回归方法,对这80个液态烃的燃烧热进行定量结构-性质相关性建模和预测研究。
6)electro-topological state index电性状态拓扑指数
延伸阅读
迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
