查询词典 dielectric loss

It is indicated that the dielectric loss factor of the epoxy resin impregnated paper insulating bushing is generally higher than thatof the oil impregnated paper insulating bushing of the same voltage level; the tests should be strengthened when notable variation is found in the insulation dielectric loss factor and capacitance; when the variation is greater than 10%,the bushing must be replaced.

最后指出，环氧浸纸绝缘套管的介质损耗因数普遍高于同等电压等级的油浸纸绝缘套管，当发现绝缘介质损耗因数和电容值发生较明显变化时，应加大测试密度，当变化量大于10%时，必须更换套管。

The diversifications of abnormal peaks of dielectric constant and loss were clarified by space-charge model, and during phase transitions, the common-body contradiction was proposed qualitatively between the effect of space-charge model with hopping cation by changing frequency and that of current-carrier scattering by their structural transitions, their co-contributions decided the change behaviors of dielectric constants and loss.

以不同化学微畴的空间电荷模型讨论了相应介电峰和损耗峰的变化机理，提出在频率改变时畴中阳离子跃迁形成空间电荷的效应和相变所带来的载流子散射效应是一对矛盾共同体，它们间的贡献对比决定了介电常数和介电损耗的变化行为。

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''。

This paper firstly introduced the dielectric and its polarization mechanism. The concept and present situation of the dielectric and high dielectric materials as well as the CaCu3Ti4O12 materials were introduced in this thesis.

本文首先介绍了电介质及其极化机制、高介电材料的概念、高介电材料研究背景和目前CaCu3Ti4O12材料的研究情况。

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。

In order to understand the relationship between dielectric properties and sugar content of juices, dielectric properties of juice of three honeydew melon cultivars and four watermelon cultivars with different maturities were measured with an open-ended coaxial-line probe and impedance analyzer over the frequency range from 10 MHz to 1.8GHz. Soluble solids content of fruit juice and moisture of fruit pulp were also measured. The correlation between dielectric properties and soluble solids content was analyzed.

为了解果汁的介电特性与其主要内部品质——糖度之间的关系，该文利用末端开路的同轴探头和阻抗分析仪测量了10 MHz～1.8 GHz的频率范围内不同成熟度的3个品种密瓜汁和4个品种西瓜汁的介电特性，同时测量了反映果汁糖度的可溶性固形物含量和果肉的含水率，分析了介电特性和糖度间的关系。

In order to research dielectric barrier discharge characteristics at characteristics at various exciting voltage peak V(subscript P-P and dielectric thickness l(subscript d, a DBD experiment system was established. Using Q-V Lissajous figure method, the effect of exciting voltage peak V(subscript P-P and dielectric thickness l(subscript d on the main discharge parameters were studied.

为了解介质阻挡放电在不同激励电压峰值V和介质厚度l下的放电特性，通过建立介质阻挡放电试验系统，采用Q-V Lissajous图形法研究了激励电压峰值V、介质厚度l对DBD主要放电参量的影响。

According to the effect of relative permittivity εr on the pulse propagation velocity in lossy dielectric space and the effect on the turnround time of signal between the antenna and the buried objects, it is presented that lossy dielectric space can be transformed into free space and the simulation results abtained from free space can also be amended to lossy dielectric space.

对探地雷达的微波全息成像法进行了分析研究，根据有耗介质空间中的εr 对脉冲传播速度的影响，以及对脉冲在收发天线与目标之间的往返时间的影响指出：可将有耗介质空间转化到自由空间，再将自由空间中的计算结果修正到有耗介质空间。

To improve the dielectric performance of the syntactic foam ,a kind of a low density dielectric materisl with high dielectric comstant.

为改善复合泡沫塑料的介电性能，采用金属氧化物粒子填充改性双马来酰亚胺空芯玻璃微球复合泡沫塑料得到了高介电常数、低介质损耗因数、低密度、力学性能良好的电介质材料。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。