电荷密度

The equation describing the evolution of the laser spot is derived.

考虑有质动力与电荷分离场的平衡，推出了超短超强脉冲激光在低密度等离子体中的折射率、电子密度和电荷分离场的表达式以及激光束斑的演化方程。

We define a novel valence δiv through connecting quantum chemical parameters with molecular connectivity index and apply it to the QSRR of alcohol, ketone, ester compounds.

最后，本论文还把量子化学指数用于分子连接指数的改进，以原子的电荷密度为该原子点价的方法对醇、酯、酮类化合物的QSRR关系进行了研究，所得模型的相关性也比较理想。

The method uses leakage currents of all conductor segments and the surface charge densities on the surface of finite volume as unknown variables.The number of unknown variables used in this method is much less than those in other methods,and the grounding system buried in multi-layer soil with arbitrary numbers of layers can be analyzed.

这种方法以导体上的漏电流和有限体积材料表面的电荷密度为待求变量，与国际上其他方法相比，该方法使用的未知量数显著减少，并且可以分析复杂多层土壤中的接地网性能。

It was found that the adding of non-ionic surfactant increased the activity and stability of enzymes.

原因是非离子表面活性剂分子降低了反胶束离子层的电荷密度，减弱了可导致酶变性的静电相互作用。

As a result, the redistribution of charge density by change of P-O and H-O distance and the subsequent rotations of the PO4 tetrahedra can lead to the driving force of the ferroelectric behaviors.

结果，通过P-O 和 H-O的距离改变电荷密度的再分布和PO4四面体的顺序旋转导致了铁电性的产生。

The data of molecular orbitals and their eigenvalues,charge densities,and bond orders had been obtained.

获得了分子轨道及其能级、电荷密度、键级等数据。

CTAB could form well-stabilized films on the surface of HPAM solution, this process is dependent on the linear density and conformation of the polymer chain; it is reasonable to suppose that a complex, which is surface active, was formed between CTAB and HPAM.

阳离子表面活性剂能在HPAM水溶液的表面成膜，表面活性剂的成膜能力与它本身的HLB有关，还与亚相中HPAM的线性电荷密度以及高分子在溶液中的分子构象有关。

It was found that the structure parameters and effective volume charge density were influenced strongly by concentration of monomers.

界面聚(来源：A0fBC论f6文网www.abclunwen.com)合时间对复合膜孔径影响不大，随着反应时间的延长，膜的厚度和电荷密度增加。

Top-tier technology resellers like CDW and CompUSA will not bother us as we will not impact them.

&&顶级科技经销商如电荷密度波和compusa不会打扰我们，我们也不会影响他们。

For the chemical shifts of the carbons that lay in the conjugated sketeton we obtained a good linear relationship between the calculated and experimental data as well as their antimagnetic contribution σ_d and electronic density ρ.

对于固定在π骨架上的碳原子，其化学位移计算值与实验结果有很好的线性关系，并且它们的反磁性贡献σ_d和电荷密度ρ之间也有较好的线性关系。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。