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- complex impedance measurement 复阻抗测量
- After successfully prepared the nano- TiO_2, nano- CeO_2 coating TiO_2,the measurement and comparison of oxygen sensitivity and complex impedance have been carded out, and the results have been analyzed by thermodynamic and activity energy calculation. 在用溶胶-凝胶方法成功制备纳米TiO_2、纳米CeOSS-2包覆纳米TiO_2材料的基础上,进行了氧敏性能、阻抗谱的测试和对比,并且通过热力学和活化能计算对实验结果进行了分析。
- The simple impedance measurement system is consisted of piezoelectric element, an impedance analyzer, Al beam and computer. 测试系统由阻抗分析仪、计算机、压电陶瓷片、铝梁组成。
- The AC complex impedance method is widely used to charactrize electronic materials. ac复阻抗方法已广泛地用于表征电子材料。
- A new kind of method for impedance measurement, i.e., electrode A.C. voltage analysis, has been studied. 研究了一种交流阻抗新方法,即交流电位分析法。
- In this paper, the complex impedance property of PTC ceramics has been investigated. 本文研究了PTC陶瓷的复阻抗特性。
- A kind of impedance measurement is proposed with piezo-electric element which drives the beam and engender dynamic impedance data. 摘要提出了利用压电陶瓷的阻抗测量法的概念,即用压电陶瓷作为驱动源产生动态阻抗信息。
- Experimental tests indicate that the preamplifier can be used for STM topography measurement and NIM impedance measurement simultaneously. 测试表明,该前置放大器能同时用于NIM阻抗测量和STM形貌扫描;
- The status of bioelectrical impedance measurement especially the multifrequency segmental bioelectrical impedance measurement of liver diseases is introduced. 该文介绍了生物电阻抗技术在肝病中应用的现状,重点介绍了多频节段电阻抗技术的应用。
- This paper studies the mechanism of noninvasive impedance measurement technique for CBF.An experimental system excited by current pulses with very low duty cycle is implemented. 本课题研究了脑血流无创伤电阻抗测量技术的原理,采用低占空比脉冲电流激励模式实现了一个脑血流测量试验系统。
- If you place the defibrillator electrode on the patient, the device performs the impedance measurement and finishes charging, and finally is ready for shock. 而如果操作者将除颤器放置于病人体表后再进行充电,设备将会测量病人的阻抗并完成充电,并且充电完成后处于除颤准备状态。
- When grain resistances have big differences duo to grain size and the capacity of the high resistance is taken into consideration, the complex impedance plots show two separated semicircles. 对于复阻抗图的双圆弧现象,认为是材料结构的不均匀性所致,用改进的等效电路模型进行了分析。
- Antenna design requirements: frequency band size and form read range application with mobility cost reliability rfid tag antenna performance strongly depends on the frequency-dependent complex impedance present by the chip. 实际只有确定了芯片,得到了芯片的阻抗特性才能得知设计天线的阻抗特性目标,再而根据阅读距离等要求进行天线设计。
- A type of micro-ohmmeter based on the technique of current reversed 4-line impedance measurement is designed, which can be testified to meet the requirement and have a good repeated accuracy. 摘要设计一种基于四线制电流倒向技术的微弱电阻测量仪,经实验验证,该测量仪可以很好地满足测量要求,并具有良好的重复测量精度。
- Very good modal separation was achieved and verified by using laser Doppler vibrometer (LDV) and impedance measurement by modal sensors on the outer border of stator with network analyzer. 由马达定子基座高度的调整,有效达成良好的模态隔离设计,经都卜勒干涉仪及模态感测器量测阻抗实验,验证其确实可行。
- The mice were then challenged with inhaled methacholine and respiratory system impedance tracked for the following 10 minutes.Respiratory elastance (H) was estimated from each impedance measurement. 小鼠再通过吸入乙酰甲胆碱激发,并记录随后10分钟的呼吸系统阻力,采用每一侧阻抗测量评估呼吸弹性度(H)。
- This paper present an outline on theory, instrument and research actuality of human body composition with bioelectrical impedance measurement after consulting literatures and inve... 本文通过文献综述和实际调研,较详细的介绍了用生物电阻抗方法测定体成分的理论依据、测量仪器的研制和目前国内外研究的现状。
- Keywords slags;conductivity;complex impedance; 炉渣;电导率;阻抗谱;
- Therefore, it is concluded that crack damage of steel beams can be identified by monitoring the variations of piezoelectric impedance measurements. 由此可见,通过测量钢梁损伤前后压电陶瓷片的电阻抗变化能够识别梁中的裂纹损伤。
- With the electrode impedance measured automatically, the apparatus can be applied to the treatment and rehabilitation of several diseases of gynecology& Obstetrics. 该治疗仪对妇产科的多种疾病及康复治疗有显著疗效。