electropositive element

The relationship of gas phase proton affinity (PA) of aliphatic amines, alcohols and ethers, inductive effect index ( I ) of alkyl group, atomic charge ( q x), electronegativity of element ( X N) of affinity atom in RX molecules was studied.

用烷基诱导效应指数I和RX分子中质子亲合原子X所带电荷qx 及元素电负性XN 与脂肪胺、醇、醚的气相质子亲合能PA进行关联 。

Scale of Element Electronegativity by Intensive Electrostatic Potential of Atomic Nucleus and Quantity of Electricity of Atomic Valence Shell

原子核强度电势和原子价层电量对元素电负性的标度

A New Expression of the Relation of Vibration Frequencies of IR and RAMAN Spectrum for Inorganic Compounds to the Electronegativities of Elements in Valence

无机化合物红外和拉曼光谱振动频率与元素价态电负性关系的一种新的表达式

Study on Adsorption Performance of Thiophene in the Model Gasoline on Cu~+-13X Loaded with Rare Earth

负载稀土元素的Cu~+-13X吸附噻吩的性能研究

Edge element computation of load performance of a claw-pole alternator

基于棱单元法计算爪极发电机负载特性

Thermo-economics Analysis for the Operation Mode of the Coal-fired Power Unit Plant under Low Load;

火电厂单元机组变负荷运行方式热经济性分析

Synthesis and Electrochemical Performance of Multi-element Tin and Copper Based Alloy Negative Materials;

锡铜基多元合金负极材料的制备及电化学性能

Refractive Index and Density of Binary Glasses Based on the Optical Electronegativity

基于光学电负性二元玻璃折射率和密度的研究

a binary compound of carbon with a more electropositive element.

一种二元化合物，由碳和一个电正性的元素组成。

Effects of Element-Doping on Electromagnetism Property of Carbon Nanotubes;

元素掺杂对碳纳米管电磁性能的影响

Effects of Cr-doping on the electrochemical performance of Li_4Ti_5O_(12)

铬元素掺杂对Li_4Ti_5O_(12)电化学性能的影响

Incentive Interruptible Load Management Considering Risk Factors;

考虑风险因素的激励性可中断电力负荷管理

Long-term Load Forecasting and Effects of Uncertainty in Related Elements;

长期电力负荷预测及相关因素不确定性的影响

The enlightenment of the environmental factors affection on load characteristics for Jiangxi Power Grid in 2008

2008年环境因素影响江西电网负荷特性的启示

Analysis on Load Characteristic and Its Influence Factor in Regional Power Grid

地区级电网负荷特性及其影响因素分析

Effects of impurity elements on conductivity of the electric circular aluminum rod

杂质元素对电工圆铝杆导电性能的影响

Research of the influence to the measurement unit of digital distance protection from electric locomotive loads

电铁负荷特性对微机距离保护测量元件的影响研究

Another element that e-learning offers is interactivity.

电子学习所能提供的另一元素为互动性。

Effect of Doping with Rare Earth on Electro-Catalytic Performance of Pt-Ru/C Catalyst;

稀土元素掺杂对Pt-Ru/C电催化性能的影响