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损失角
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  loss angle
     Characteristic on the tangent of dielectric loss angle for coal has been researched by using fractal geometry theory.
     利用分形几何理论对煤的介质损失角正切的特征作了深入的探讨.结果表明,煤的介质损失角正切tgδ具有分形特征;
短句来源
     The results show that the tangent of dielectric loss angle of coal has fractal characteristic, relationship between and frequency is: tgδ∝f(D-d) /2, and fractal dimension of tgδ for coal could be obtained.
     通过类比和实验证实的方法得到了tgδ与f间的定量关系:tgδ∝f(D-d)/2; 借此求得了煤分形介质损失角正切维数.
短句来源
     At the same time, the loss angle (or internal damping) for aortic valve, predicted by the present relaxation model, approach those reported by Lim and Boughner .
     我们关于主动脉瓣的粘性损失角(或内阻尼值)与Lim和Boughner[5]的结果比较接近
短句来源
     A NEW METHOD FOR CALCULATING THE TANGENT OF DIELECTRICAL LOSS ANGLE(tgδ)
     介质损失角正切(tgδ)计算的新方法
短句来源
     THE RESEARCH ON THE AUTOMATIC MEASURING EQUIPMENT FOR THE MEDIA LOSS ANGLE OF ELECTRICAL INSTALLATION
     电气设备损失角自动测试仪的研制
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  “损失角”译为未确定词的双语例句
     Experiments show that it has a capacitance tolerance of 2%~5% and a dissipation factor lower than 0.05%.
     对该型电容器进行性能测试,所得电容偏差都在2%~5%范围,损失角正切值小于0.05%;
短句来源
     Based on the routine measurment of medium consumpting tangent value tgδ,a new calculating method of measuring tgδ under electric field disturbance are given.
     在介质损失角正切值tgδ常规测量的基础上 ,提出了一种新的在电场干扰下测定、计算tgδ的方法。
短句来源
     We introduced how to test tgδ of electric power equipment medium using high voltage capacitor bridge and how to analyze the all kinds of examination results.
     根据对电力设备介质损失角正切值tgδ试验的实际,介绍了使用西林电桥(QS1)测量各种电力设备介质损失角正切值tgδ的方法、注意事项及规范要求,并提出如何将各项试验结果全面综合分析判断,对被试设备的绝缘状况和缺陷性质作出科学的结论。
短句来源
     Based on basic theory of wavelet transform,according to signals characteristics,an approach is introduced to detect fundamental component in the signal to calculate tan δ .
     本文根据小波分析的基本理论 ,结合损失角测量中的波形特征 ,提出了利用小波变换来提取基波信号计算tanδ的检测方法。
短句来源
     Calculation of tan δ Based on Correlation Function Algorithm
     相关函数法计算容性设备介质损失角正切
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  相似匹配句对
     angle.
    
短句来源
     THE RESEARCH ON THE AUTOMATIC MEASURING EQUIPMENT FOR THE MEDIA LOSS ANGLE OF ELECTRICAL INSTALLATION
     电气设备损失自动测试仪的研制
短句来源
     Fractal Characteristic on the Tangent of Dielectric Loss Angle for Coal
     煤介质损失正切的分形特征
短句来源
     A New Type of Angle Acceleration Sensor
     加速度传感器
短句来源
     THE HOICE OF LOSS FUECTION
     损失函数的选择
短句来源
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  loss angle
IR-radiation absorption spectra for these systems are calculated and analyzed; the radiation power scattered by these systems and the tangent of dielectric loss angle are determined.
      
The dynamic shear modulus and the tangent of the mechanical loss angle for these solutions were measured by the acoustic-resonance method.
      
In the ternary system of solid solutions of, the compounds with permittivity ε ? 100-110 and dielectric-loss angle tan δ ? 0.0015-0.003 are synthesized.
      
To quantify the distance away from the surface at which the molecular mobility is restricted, a physical model was used to predict the mechanical loss angle.
      
The determination of the dielectric properties of wood types by measuring the dielectric constants and the loss angle gives reliable results for wood with about 0...20% moisture content.
      
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本文对西安地区运行过4~5年的仿OB—35型线路绝缘子电气性能(包括:绝缘电阻、电容、介质损失角正切、干放电压、一分钟工频耐压和电压分布的测量)的试验作了介绍。对绝缘电阻和损失角的测定方法和试验数据以及影响此二性能的某些因素进行了详尽讨论与分析,文章最后对这类型瓷瓶的运行性能提出了初步结论。

The dielectric constants and loss tangents of wood of 16 tree species in the radio frequency region have been measured. Results for the three species,Paulownia fortunei Hemsl.,Picea jezoensis Carr.and Betula albo-sinensis Burk.are presented in some detail.At low moisture content (below 3%),in these species the dielectric constants vary slowly and the maximum values of the various loss tangents occur with the frequency.The curves of 1gσ—1g for the above species are presented as straight lines.The relationship...

The dielectric constants and loss tangents of wood of 16 tree species in the radio frequency region have been measured. Results for the three species,Paulownia fortunei Hemsl.,Picea jezoensis Carr.and Betula albo-sinensis Burk.are presented in some detail.At low moisture content (below 3%),in these species the dielectric constants vary slowly and the maximum values of the various loss tangents occur with the frequency.The curves of 1gσ—1g for the above species are presented as straight lines.The relationship of all specimens between the dielectric constant and density based on the dry wood is in agreement with the Clausius-Mosotti relation.The dielectric values increase with increasing of the moisture content.The dielectric values are the highest in the longitudinal direction,and in the other two directions they are approximately the same.

本文测量了16种木材射频下的介电常数及损失角的正切,其中仅对泡桐、鱼鳞云杉、白桦进行了群细的测量。在低含水率(3%以下)下,观察到上述3种木材的介电常数,随着频率而缓慢地变化;损失角的正切,随着频率增高而逐渐增大,至某一频率后,又渐减小。电导率的对数与频率的对数成直线。所测量的全部木材在绝干状态时,其介电常数与密度的关系,符合 Clausius-Mosotti 关系:含水率越高,介电值越大;纵向介电值高于径、弦向,径向和弦向的则大致相同。文中讨论了这些结果。

The electrical insulating properties (coefficient of volume insulation resistance pv 110℃, the dielectric loss angle tg δ 120℃) of rosins from the main production regions in China are described, and a series of experiments aiming at improving these properties are reported.

本文阐述了我国各主要产区松香的电绝缘性能(体积电阻系数ρV110℃值和介质损失角tgδ120℃值),并介绍了以提高现有松香产品的电绝缘性能为目标而进行的一系列试验研究。用真空蒸馏的方法对松香进行“精制”,产品的体积电阻系数值提高了一个数量级,介质损失角降为原有值的1/5~1/8,从而得到了高电绝缘松香。用此产品配制的不滴流浸渍纸绝缘电力电缆浸渍剂已达到国际上同类产品的进先水平。根据实际应用的结果,提出了制定本产品标准的物理、化学指标。

 
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