介电性

La掺杂BaTiO3陶瓷的介电性与缺陷

The dielectric property and defects of La-doped batio_3 ceramics

掺杂SrTiO3陶瓷的介电性及正电子湮没

The Dielectric Property and Positron Annihilation in Doped SrTiO_3 Ceramics

并且，PI复合薄膜的介电性对频率、温度和陶瓷种类及含量具有不同的依赖性。

In addition , the dielectric properties of PI composite films were influenced differently by the factors of frequency , temperature , ceramic types and content .

聚酰胺酰亚胺（PAI）是一种热塑性树脂，具有优良的耐热性、介电性、机械性能和化学稳定性。

Polyamide-imide , which is a kind of thermoplastic resin , has good heat resistance , di ˉ electric property , mechanical property and chemical stability .

不同晶粒尺寸BaTiO3粉体的介电性

Study on the Dielectric Properties of BaTiO_3 Powder with Different Grain Size

铁电性的测试表明，通过La掺杂，使薄膜的介电性和铁电性得到了增强，剩余极化强度由0.15×10–6C/cm2增加到0.2×10–6C/cm2。

The results of ferroelectricity and dielectric property measurement show that the ferroelectricity and dielectric property are enhanced by La doping . Next , the remnant polarization is increased from 0.15 × 10 – 6 C / cm2 to 0.2 × 10 – 6 C / cm2 .

压电复合材料中组元介电性对其性能的影响

Effect of Componential Dielectric Properties on the Properties of Piezoelectric Composites

高介电性聚氨酯的合成及性能研究

Studies of Synthesis and Capabilities about a High Dielectric Polyurethane Elastomer

聚酰亚胺&无机纳米复合薄膜介电性研究

Study on the Dielectric Property of Nano-Inorganic-Polyimide Composite Film

四钛酸钡纤维陶瓷的制备及介电性研究

Preparation and dielectric characteristics of BaTi_4O_9 fiber ceramics

研究了钛酸钡体相陶瓷的铁电性和介电性。

Ferroelectric and dielectric properties of barium titanate ( BaTiO 3 ) bulk ceramics have been studied .

碳酸盐岩物理性质&介电性实验研究

A study on physical properties of carbonate rocks & an experiment on dielectric character of carbonate rocks

对不同方案所得复合材料样品进行性能测试表明，低介电性陶瓷粉体、陶瓷颗粒良好的粒度分布和一定量聚苯胺的掺入，都使得复合材料的压电常数得到了一定程度的提高。

The property test shows that the piezoelectricity of composites is enhanced by utilizing ceramic powders with low permittivity and good size distribution and proper addition of Poly-aniline .

铁电薄膜由于具有优良的介电性、压电性、铁电性和热释电性及其在微电子和光电子中的潜在应用，已经引起人们广泛的研究兴趣。

Ferroelectric thin films have attracted considerable research interest due to their superior dielectric , piezoelectric , pyroelectric and ferroelectric properties and potential applications in microelectronic and electric-optic devices .

用纳米导电纤维填充天然胶乳制得复合材料，研究了复合材料的导电性、介电性以及温度对复合材料电阻率的影响。

Natural emulsion composite was made by filling nanometer conductive fiber , the electricity conductivity , dielectric property and the effect of temperature on resistivity of the composite were investigated .

微波复热米饭的关键是加热的均匀性，影响微波加热均匀性的因素有食品的形状、大小、热特性和介电性等。

Temperature uniformity was the hot issue in microwave reheating of rice , which was affected by the thermal properties and dielectric properties of food , its shape and size .

树脂基复合材料具有优异的力学性能，重量轻，良好的耐海水腐蚀性、介电性，无磁性等特点，在舰船领域发挥越来越重要的作用。

Composites have excellent mechanical properties , light weight , good corrosion resistance to seawater , good dielectric performance and nonmagnetic property . They have been widely used and play an important role in the field of ship .

综述了纳米无机粒子在塑料高韧性、高强度、高断裂伸长率、高耐热、高介电性及抗菌性、导电性、阻燃性、耐磨性等改性方面的应用进展。

The applicational progress of inorganic nanoparticle in the high toughness , high strength , high elongation at , break , high heat resistance , high dielectric and antibacterial , conductivity , flame-retardancy and wear resistance modifications of plastics was reviewed .

作为最早被研究的硅基膜，由于其具有较高的强度、较好的耐磨性、耐腐蚀性、介电性和光学性能，成为渗透膜、电池膜、光学膜等应用的首选。

As the first to be researched , silicon-based membrane has become the first choice in permeable membranes , battery films and optical films , because of its high strength , abrasive resistance , corrosion resistance , dielectric and optical properties .

低介电常数性与低介质损失因数，是PCB基板材料实现高速化、高频化的重要性能项目。

Low dielectric constant and low dissipation factor are important properties to achieve high speed and high frequency of PCB substrate .

证明了电能密度表达式是介电张量对称性的必然推论；

The expression of energy density is proved as the deduction of this symmetry .

高频低介电常数改性环氧树脂覆铜板的研制

Development of copper clad based on modified epoxy resin with high frequency and low dielectric constant

本文的主要任务是研制高介电性能改性环氧覆铜箔板。

It is an important direction to study copper-clad plate in modified epoxy with high dielectric property in the paper .

光子晶体是一种介电质周期性排列的人为设计元件，可经由不同的设计成为波导或是共振腔。

We provide a momentum space formulation for thermal emission from photonic crystals and corroborate Kirchhoff 's law for periodic structures .

光子晶体是不同介电材料周期性排列形成的具有光子禁带的一种结构，某一频率范围的光落在带隙中将被禁止向外传播，利用这一特性可以操控光在光子晶体中的传播。

Photonic crystals are periodic arrangement of different dielectric materials with the formation of a photonic band gap structure , a frequency range of light fall on the band gap will be prohibited to spread , this feature can be used to manipulate light transmission in photonic crystals .

银掺杂对Bi2O3-ZnO-Nb2O5系陶瓷介电及熔融物性的影响

Effects of Ag-Dopant on Dielectric Properties and Melting Behaviors of Bi_2O_3-ZnO-Nb_2O_5 ( BZN ) - Based Ceramics

采用大功率CO2激光辐照技术，进行Ta2O5陶瓷介电性能的改性研究。

Improving the dielectric properties of Ta_2O_5 ceramics by CO_2 laser irradiation was investigated .

重点介绍了电机F级绝缘材料的性能分析和选择，从介电性能和相容性角度，阐述了高、低压电机F级绝缘结构的设计要点。

Characteristics and selection of F-level insulation material of mo-tors are introduced in detail . Design keys of F-level insulation structure of highvoltage motors and low voltage motors are Presented from the point of view of di-electric characteristics and consistency .

本文研究了有机过氧化物引发剂对低介电损耗的改性双马来酞亚胺树脂4501A固化反应的影响。

In this paper , effects of peroxide on curing reaction of modified BMI resin ( designed as 4501A ) with low dielectric loss were studied .

钛酸铋钠陶瓷的介电、压电性的研究

Dielectric and Piezoelectric Properties of Sodium Bismuth Titanate Ceramic