查询词典 reciprocal dielectric constant

In general we have two kinds of dielectric constant: the absolute dielectric permittivity, V the relative dielectric permittivity r, Vr = 0 = 1 , 0 means the vacuum dielectric constant, dielectric electrode means of EV \\ V \\ rate.

一般我们有两种介电常数：电介质的绝对介电常数，电介质的相对V介电常数r，Vr＝0＝1＋，0指真空中的介电常数，指电介质的电极化EV\V\率。

A method of production of a reduction resistant dielectric ceramic composition having a superior low frequency dielectric characteristic and further improved in accelerated lifetime of insulation resistance, specifically a method of production of a dielectric ceramic composition containing a main component including a dielectric oxide of a specific composition, a first subcomponent including a V oxide, a second subcomponent containing an Al oxide, a third subcomponent containing an Mn oxide, and a fourth subcomponent containing a specific sintering aid in a specific ratio, including a step of mixing at least part of the materials of the subcomponents excluding one or both of at least the material of the third subcomponent and material of the fourth subcomponent with the starting materials prepared for obtaining the material of the main component to prepare the pre-reaction material, a step of causing the prepared pre-reaction material to react to obtain a reacted material, and a step of mixing the materials of the subcomponents excluded when preparing the pre-reaction material with the obtained reacted material to obtain a dielectric ceramic composition.

本发明提供一种介电陶瓷组合物的制造方法，其中介电陶瓷组合物以特定的比例含有如下成分：含有特定组成的介电体氧化物的主成分，该主成分可以提供具有优异的低频率介电特性的、绝缘电阻的加速寿命进一步提高的耐还原性介电陶瓷组合物的制造方法，含有V氧化物的第1副成分，含有Al氧化物的第2副成分，含有Mn氧化物的第3副成分，以及含有特定的烧结助剂的第4副成分；该方法包含如下工序：将至少除去第3副成分的原料和第4副成分的原料的一种或两种的其它副成分原料的至少一部分，与为了得到主成分原料而准备的起始原料混合，准备反应前原料的工序；使准备的反应前原料反应而得到反应后原料的工序；以及在所得的反应后原料中，混合在准备反应前原料时除去的副成分原料，得到介电陶瓷组合物原料的工序。

The invention relates to an organic thin-film transistor of three-layer composite film insulated gate which comprises a substrate (1), a metal electrode (2), a organic semiconductor layer (6), a source/leakage electrode; and also comprises: a low dielectric constant polymer layer (3), a high dielectric constant oxide layer (4), a low dielectric constant polymer layer (5), three-layer composite film insulated gate is composed of the (3) layer, the (4)layer and the (5) layer.

本发明涉及三层复合膜绝缘栅的有机薄膜晶体管，包括衬底(1)，金属电极(2)，有机半导体(6)层，源/漏电极(7)；还包括：低介电常数聚合物层(3)，高介电常数氧化物层(4)，低介电常数聚合物层(5)，所述的(3)、(4)和(5)层构成三层复合膜绝缘栅。

A basic review on dielectric nonlinearity and electric tunable mechanism was performed in view of thermodynamics, ferroelectric domain, polar nanoregion, field induced phase transition, grain boundary layer and AC dielectric nonlinearity. The dielectric nonlinearity phenomena in barium stannate titanate ceramics were studied and the field dependences of dielectric constant and loss tangent were showed.

关于低温介电弛豫行为与极性微区关系的讨论涉及到了弛豫铁电体与扩散相变铁电体之间的相容关系，作者认为所有的扩散相变铁电体都应该是弛豫铁电体或潜在的弛豫铁电体，它们的区别仅在于能够观测到介电弛豫现象的测试频率范围不同。

The main content includes:B-Site , and substitutions greatly decrease the dielectric losses ofO3 system ceramics under electric field; because of the different characteristics of different ions and the influence of pyrochlore phase created in system, B-Site and ion substitutions increase the dielectric constant of the system, whereas ion substitutions decrease the dielectric constant of the system.

论文的主要研究内容包括：B位，及的取代均大大降低了O3体系陶瓷在电场下的介电损耗；由于各离子特性的不同及体系中生成的焦绿石相的影响，B位，离子的取代使得体系的介电常数上升，离子的取代却使的体系的介电常数有所下降。

At last , some investgation is made to change about elementary constant of the universe in today ,which demonstrates that elementary constant of the universe in today would change at a ratio of 2.3387723548904887*1050 per year which means that elementary constant of the universe in today would remain as an constant unchanged within one million years if its accuracy fix on the 4th digit after radix point of 7.7577806787995708*1060 As a reminder , both elementary constant of the unvierse elementary constant of the unvierse in today have nothing to do with the cosmic constant introduced by Mr.

基本宇宙常数是一个变化的物理常数，其数值变化的速率为：2.3387723548904887*1050 ，与今天基本宇宙常数7.7577806787995708*1060 相比较，如果在保持今天宇宙常数的数量级不变的情况下将精确度选定在小数点后第4位，那么今天基本宇宙常数将在100万年之内保持不变。

This article focuses on the electrostatic interaction with the media, dielectric analysis of the type and nature of the understanding of dielectric polarization mechanism, then master dielectric and the interaction of the electrostatic field and the interaction energy, so as to the development of new dielectric material fight Solid theoretical foundation.

本文主要着重于静电场与介质的相互作用，分析电介质的种类与性质，了解电介质的极化机制，进而掌握电介质与静电场的相互作用力与相互作用能，从而为开发新的电介质材料打好坚实的理论基础。

In this paper, we used molecule dynamics simulation technique in researching dielectric property. By analyzing the information that is provided from molecule dynamics simulation, we can got some dielectric properties like dielectric constant and chargeability. Firstly, 3D model of silicon dioxide was been built and geometric optimization was been used to make the model more correctly. Then the model was been put in calculation of molecule dynamics simulation with a definitive temperature.

本文针对氮化硼晶体在极端高温下的介电性能开展研究，首先建立六方氮化硼晶体的微观结构模型，通过几何优化对其进行进一步的结构修正，然后选择合适的力场、系综、积分时间步长和压力温度控制方法，对微观结构模型进行某一温度下的分子动力学计算，动力学计算达到平衡后得到该温度下电介质材料的微观结构模型和动力学特性。

Of a dielectric, the product of dielectric constant and the tangent of its dielectric ''.

对于电介质来说，它是介电常数和介质''。

Abasic review on dielectric nonlinearity and electric tunable mechanism wasperformed in view of thermodynamics, ferroelectric domain, polar nanoregion,field induced phase transition, grain boundary layer and AC dielectricnonlinearity. The dielectric nonlinearity phenomena in barium stannate titanateceramics were studied and the field dependences of dielectric constant and losstangent were showed.

关于低温介电弛豫行为与极性微区关系的讨论涉及到了弛豫铁电体与扩散相变铁电体之间的相容关系，作者认为所有的扩散相变铁电体都应该是弛豫铁电体或潜在的弛豫铁电体，它们的区别仅在于能够观测到介电弛豫现象的测试频率范围不同。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。