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- PbO deficiency only affected dielectric loss very weakly. 而铅欠缺对介电损耗影响很小。
- Dielectric loss measuring is the normal test items in electric power system. 介质损耗测量是电力系统中的常规试验项目。
- The prepolymerization of bismaleimide can increase dielectric loss dissipation. 双马来酰亚胺预聚会增加固化物的介电损耗。
- The effect of different impurities and dopants on the dielectric loss of alumina ceramics are reviewed. 综述了不同杂质及掺杂对氧化铝陶瓷介电损耗影响的研究进展。
- For non-Debye relaxation materials,a model is deduced to calculate the dielectric loss. 对于non-Debye弛豫介质;导出了其介质损耗的计算模型.
- Solderabity, lower dielectric loss in high frenquency (resistance to high frequency) and colorable.UL recognized. 该产品具有直焊性,且有高频介质损耗抵(耐高频)和可着色等待性。通过UL认证。
- The principle of dielectric loss chart analysis and its application in the manufacture of enamelled wire are presented. 本文主要阐述了介电谱分析技术的机理及介电谱分析技术在漆包线制造行业中的几方面应用。
- Therefore, the study on the dielectric loss tangent electriferous monitoring technique of capacitive-type equipment is of practical values. 因此,对电容型设备介质损耗角进行带电检测技术的研究具有重要意义。
- And it is also found that after being radiated by high-energy electron beam, the permittivity of dielectric decreases, while dielectric loss increases. 高能电子束辐照后介质材料的介电常数减小、电损耗增大;
- The principle of the measurement method of total insulation situation of current transformer is introduced. The measuement results of the method are compared with the ones of HV dielectric losses. 摘要介绍了电流互感器绝缘总体状态现场测试方法的原理,并将其与高电压介损的测量结果进行了对比分析。
- Metal Oxide Arrester (MOA) plays a very important role in power system, and the dielectric loss factor is an important parameter to reflect the insulation condition. 氧化锌避雷器(MOA)在电力系统中占有相当大的比例,而氧化锌避雷器阀片的介质损耗因数是反映其绝缘状况的重要参数。
- The dielectric loss and the microwave photoconductivity methods were used to determine the ionic conductivity and the photo-electron decay kinetics of the emulsion microcrystals. 本文制备了三个不同形态比的卤化银乳剂,用介电损耗法和微波光导法分别测定了它们的离子电导和光电导衰变动力学。
- Quartz fibre strengthen Bis maleimide BMI composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance. 摘要石英纤维增强双马来酰亚胺树脂复合材料具有低介电损耗、耐高温、耐湿热及良好的力学性能。
- Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss angle measurement. 加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法,对两种算法的分析和比较有利于它们在实际中的应用。
- The non-synchronization caused by the frequency fluctuation will cause remarkable error when the harmonic analysis method is used in the on-line monitoring of dielectric loss. 使用谐波分析法对介质损耗因数进行在线监测时,由电网频率波动引起的非同步采样会给系统测量带来很大误差。
- For example, now commonly used FR-4 material, at some GHz frequency dielectric loss at the time of (dielectric loss) on signal attenuation has a great impact, may not be combined. 例如,现在常用的FR-4材质,在几个GHz的频率时的介质损(dielectric loss)会对信号衰减有很大的影响,可能就不合用。
- This epoxy adhesive mixed with the accelerant has advantages of short solidifying time, little dielectric loss, strong adhesive stress at high temperature, and good insulation performance, etc. 用该促进剂配制的环氧胶粘剂具有凝胶时间短、介电损耗小、高温粘结力强、绝缘性能好等特点。
- In the paper, the dielectric spectra of rare earth oxide CeO_2 ceramics in LF and RF ranges at room temperature have been investigated, the dielectric constant and the dielectric loss and their temperature dependence have been given. 研究了CeO_2陶瓷室温下低频和射频的介电谱,并给出了介电常数和介质损耗及其与温度的关系。
- The frequency dependence of dielectric constant ~ (f 1 x 10~? x 106 LIz)and dielectric loss tan5 (f = lxi 02 ?1 x 1 O5Hz) follow a power law respectively and all show decreasing trends as frequency raised. 薄膜的介电频率关系(f=1×10~3-1×10~6Hz)和损耗频率关系(f=1×10~2-1×10~5Hz)均服从指数规律,随频率的增大而减小;
- It can be concluded that CeO2 dopant improves the relative dielectric constant effectively,reduces the dielectric loss dramatically and moves the Curie temperature to lower value due to the part substitution of Ce4+ for Ti4+. 结果表明,CeO2掺杂使Ce4+部分取代Ti4+,有效地增加了体系的相对介电系数,降低了介质损耗,并起到了良好的居里峰展宽及移峰效应。