电子价

Using Coulomb's law , we can calculate the force on the "hole" due to an electric field.

半导体由于禁带较窄，电子只需不多的能量就能从价带激发到导带，从而在价带中留下空穴。

The cyclopentane was study by EMS. The valance orbital can not be entirely distinguished, due to the energy resolution of the spectrum, but the detailed information of the momentum profiles can be obtained by theoretical calculation.

对环戊烷分子的电子动量谱学研究受谱仪分辨率的限制，从电离能谱中不能分辨环戊烷分子的每一轨道，但理论计算可以得到各价轨道的束缚能、电子动量谱等信息。

On the electronegative elements, bonding electron number and bonded hydrogen atomic number, new molecular topological index is developed to do research on creaturely activity for alcohol, aether, ketone and ester in this paper.

基于元素的Pauling电负性，原子成σ键的电子数，原子直接键连的成σ键的氢原子数目和原子在形成离域π键时所提供的P电子数，定义了一种原子点价公式，构建了分子连接性指数。

In doped ZnO nanowires showed a two step field emission mode and enhanced field emission property.

通过In 掺杂明显提高 ZnO 纳米线的场发射性能，并改变了场发射特性，即In 掺杂 ZnO 纳米线除价带电子发射外，导带电子在低电场时参与发射的特征明显。

For the isobutane, the detail information of the total energy, dipole momentum, orbital energy, and momentum distribution were obtained by carrying out theoretical calculation and experimental data analysis.

通过对异丁烷分子的理论计算和实验数据分析，获得了该分子基态总能、偶极矩、各价轨道的束缚能、以及各价轨道的电子动量谱等详细信息，理论计算与实验结果符合很好。

Lanthanides are also due to 4f electrons in the whole empty, half full, all the changes in full so that there are some factors appear 4 price, some prices appear 2 oxidation state, we use the following oxidation diagram and black point size to indicate the size of the stability of oxidation state.

镧系元素也因4f上电子全空、半满、全满的变化使有些元素出现＋4价，有些出现＋2价氧化态，我们用下列氧化态图及黑点大小来表示氧化态稳定性大小。

Doped high consistence Co can't increase the density of defect levels. ZnO doped Fe is different from doped Mn or Co totaly, the density of photoelectrons anddefect levels aren't reduced obviously. It's probably related the valence of Fe in crystal,general think trivalence of Fe, and form donor levels in ZnO.

Fe掺杂的ZnO完全不同于Mn、Co掺杂，其光生电子密度没有因掺杂出现明显的降低，即缺陷能级密度没有降低，这可能和掺入ZnO所呈现的价态有关，一般认为Fe为三价态，在ZnO中形成施主能级。

Forbidden-band-width of mono-clinic phase of bismuth vanadate (mBiVO4) is high enough to 2.3-2.4 eV, it could be valence band to carry out entirely that hole band degrade organic pollutants,and the conduction band possesses high oxidizability to make for reduction of photoinduced electron,and oxidation potential of its valence band with 2.4 eV nearby could achieve decomposition of water and degradation of organic pollutants under visible light.

单斜晶相钒酸铋(mBiVO4)的禁带宽度为2.3 - 2.4 eV，它足够高的价带完全可以实现空穴对有机污染物的降解，并且导带位置也有利于光生电子的还原，具有较高的氧化能力，且其价带氧化电位位于2.4 eV附近，可实现在可见光下分解水和降解有机污染物。本文综述了mBiVO4应用于降解污染物、光解水产氧以及光电化学分解水的研究概况，及其在光催化降解有机物等领域的应用前景。

The tetravalence vanadium was found in V2O5 gel thin films by measuring the electrical resistance change of V2O5 gel thin films with temperature, ESCA and X-ray diffraction analysis. in this paper, from miniamount redox in melting V2O5 and crystal structure, the influencing mechanism of miniamount redox on changing valence of vanadium was analyzed and discussed in detail.

通过对V2O5凝胶薄膜试样的电阻随温度的变化测试和电子能谱和X射线衍射分析发现V2O5凝胶薄膜中有四价钒的存在，本文从V2O5熔体的微量氧化还原和晶体结构的角度分析讨论了微量氧化还原影响钒离子价态变化的机理。

The atomic properties of the superheavy element Hs(Z=108)and Uub(Z=112)have been studied theoretically in conjunction with the effects of electron correlations and relativistic effects.

在超重元素原子结构的研究中，通过细致考虑电子关联效应和Breit相互作用，计算了Hs(Z=108)和Uub(Z=112)原子的激发态结构、共振吸收振子强度及其一价和二价离子的基态等相关性质。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。