极化

The study of dielectric character is the important method to realize the materials' structure and the polarization mechanism.

介电特性是材料的基本物性，对纳米材料介电特性的研究是了解纳米材料中分子结构和分子极化的重要途径。

Our results show that once the hopping effect is considered, the charge carrier in trans-polyacetylene is soliton-antisolition pair, not the single polaron.

我们的结果表明，一旦hopping效应被考虑，反式聚乙炔中的载流子将是孤子反孤子对，而非单个极化子。

We derived an analytical expression of ion concentration distribution and the mathematical model of the induced polarization potential and the spontaneous potential for water bearing shaly sandstone from the conservation law of charge and the conservation law of matter.

由电荷守恒定律和物质守恒定律，推导出毛管中离子浓度分布的解析表达式，建立了描述含水泥质砂岩激发极化电位和自然电位的数学模型。

In addition, the membrane polarization time is gained from cell's simplified equivalent circuits and approved by system time constant of the state space equations of cell suspended system. Secondly, Laplace equations of the ideal model are built based on Faraday's Law, Gauss's Law, and charge conservation to analyze and calculate the amplitude and variation of transmembrane potential detailedly.

为了对微生物脉冲电场效应进行理论上的分析，首先，本文从细胞膜的结构、组成及功能入手，建立了微生物细胞的介电模型，求出了细胞膜的介质极化时间常数，并通过系统状态空间方程对其进行了验证。

The Polarization Vector P and the Effective Charge Density and Surface Charge.

极化向量 P ，有效电荷密度与表面电荷。

In addition,compared with CR method,the method has many advantages,such as sensitivity to the difference in resistivity or chargeability between a geological target and its country rock,higher efficiency and lower product cost etc.

此外，该方法与复电阻率法相比，具有对目标地质体和围岩的电阻率和极化率差异反映灵敏、效率高、成本低等优点，所以它是一种值得推广的找油气的电法勘探方法。

The induced polarization anomaly is character of high in chargeability and low in electrical resistivity which is consistent with the electrical property of copper ore-body.

激电异常表现出高极化率低电阻率的电性特征，与矿区铜矿石具有相同的电性特征。

Firstly, based on the parameters of apparent resistivity, apparent chargeability, half decay time, decay rate and the relativity of water inflow, it uses multivariate regression method to establish the prediction model. Then, through the variance test, it shows that it is feasible to use the model to predict the water content quantitatively in the exploration region.

基于视电阻率、视极化率、半衰时、衰减度等参数和涌水量的相关性，利用多元回归方法建立地下水量预测模型，通过方差检验，说明用此模型对勘探区内进行含水量的定量预测是可行的。

The patterns of geophsics indicates that the gold deposits are distributed in the steps belts of gravity abnormality and the bondary of aeromagneticanomaly.Auriferous quartz vein is hiher electrical resistivity and chargeability.

地球物理特征研究表明金矿床分布在重力异常梯级带及重力异常轴扭曲地段和正负航磁异常分界线附近，特别是NNE向线状低磁异常带；含金黄铁矿石英脉与其它地质体比较，具有高阻高极化的特征。

For present and future high capacity optical communication systems, chromatic dispersion compensation and polarization mode dispersion compensation are the necessary means of improving system performance.

高速光纤通信系统中，色散补偿和极化模色散补偿是提高信噪比、改善系统性能的必要手段。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。