阻抗

This paper, from the view of distribution and fraction, discussed the conditions of circuit equivalent, on the basis of it, using short connection, breaking off the simple circuit, giving out the simple deduction of the resistance Y connection and A connection equivalent exchange .

本文从分流、分压的角度讨论电路等效的条件，在此基础上用短接、断开等方法用简单电路的万法给出了阻抗Y形联接与△形联接等效变换的简单推导。

As to the respirator fit test, in average over 50% of testees failed.

高温90°C对C口罩的过滤效率和阻抗明显降低。

In this paper, using transient energy function as the assessment of system stability and applying the derivative of TEF to determine the control strategy of Fault Current Limiter with controllable series compensation in transient stability process, the transient stability characteristics can be effectively improved and subsequent oscillation can be quickly damped.

1引言具有可控串联补偿功能的故障限流器(FCL with controlled series compensation)作为灵活交流输电的主要装置之一，装设在并行线路具有许多优点。如图1所示，正常工作时，它能连续、快速、大范围地调节线路阻抗，从而灵活调节线路电流、增强系统阻尼、改善系统动态性能、抑制次同步振荡。

The method of mechanical impedance to calculate stators natural frequency is given, and so is the flow of modal analysis. These results are compared.

给出了机械阻抗法计算SR电机定子固有频率的方法和使用模态分析仪分析模态的流程，针对实验样机给出计算及实验结果，并进行对比。

The new approach to measure the internal resistance of batteries by using alternating current four probe method based on the optimum relational grade of capacity and resistance of the batteries is proposed in this paper.

本文提出的基于蓄电池容量与阻抗最佳关联度的交流四端法是测量蓄电池内阻的新方法，能够克服常用四端法在蓄电池满容或接近满容时检测困难的缺陷，做到了蓄电池内阻的实时在线检测，为直流系统检修模式由计划检修向状态维修转变做出了有益的探索。

LI Chao, FAN Yanliang, XU Jiaqiang, YANG Shuting, CHEN Yongyao （1 College of Material Science and Chemical Engineering, Zhengzhou Institute of Light Industry, Zhengzhou 450002; 2 Golden Dragon Precise Copper Tube Group INC.

文章摘要：用化学沉淀法在Li1.05Mn2O4表面包覆一层Mg2，然后进行热处理，制备出表面用MgO改性的Li1.05Mn2O4，并对材料进行了X射线衍射、恒电流充放电、循环伏安、交流阻抗等测试。

Company main products are as follows: 1 JAPAN AUDIO eliminate static processor and manually clean the dust roller, sticky dust pens, sticky dust paper series, TC-31 detergent; 2 Japan CE-911H Waterborne plastic (plastic screen printing applied toú°, film industry button); 3 Japan roller coating and electrostatic spraying equipment, ultrasonic cleaning equipment; 4 measuring instruments: the United States Metone particle counter, SPC laser dust tester, SSD electrosteric measuring instrument , surface impedance measurement; 5 Decontamination Room Supplies: SPC clean workbench, dust-free mobile vehicles and anti-static workstations, anti-static clothing workers, M-3, 600 # Series, 500 Series # 400 # clean wipe paper / cloth, sticky foot pads and so on; 6 In addition to static electricity supplies anti-static: SED100 pulsed electrostatic Balancer (for space and partial elimination of static electricity and dust), SSD static elimination system such as: ion fan, ion gun , electrostatic rods, etc.

日本AUDIO消除静电灰尘处理机及手动清洁滚筒、粘尘笔、粘尘纸系列、TC－31清洁剂；2）日本CE-911H水性胶（丝印胶，适用于铭板、薄膜按键业界）；3）日本滚筒涂布及静电喷涂设备，超声波清洗设备；4）测量仪器：美国Metone粒子计数器、SPC激光微尘测试仪、SSD静电位测量仪、表面阻抗测量仪； 5）净化室用品：SPC无尘工作台、无尘移动车及防静电工作台、防静电工衣、M－3、600#系列、500#系列、400#无尘擦拭纸/布、脚踏粘垫等等；6）防静电除静电用品：SED100脉冲式静电平衡器（针对空间与局部消除静电和微尘）、SSD静电消除器系统（如：离子风扇、离子枪、静电棒等）、静电手腕，优质抗静电毛刷、防静电工衣/手套、防静电袋等众多产品；7）网版印刷器材与资材：高精度网印机、曝光机、张网机、UV/IR热风干燥机、网版烘版机、高速震荡搅拌机、电动油墨搅拌机、自动刮刀研磨机、不锈钢冲版台、手动印刷桌、精密手印台、底片存档柜、QA光桌、PCB插版架、网框、放大镜、网版张力计、刮刀硬度计、UV能量测试仪、膜厚计、油墨粘度计、感光乳剂、剥膜粉/膏

Stainless steel ; Passive film ; Corrosion resistance ; EIS ; Semiconductor property

不锈钢；钝化膜；耐腐蚀性；电化学阻抗谱；半导体特性

The lithium ion batteries with this electrolyte showed the capacity retentions about 99.6%,98.0%,91.1%,81.3% and 58.0%of its charge capacity obtained at room temperature when discharged at-20℃,-30℃,-40℃,-50℃and -60℃,respectively.

对化成后的电极表面进行了电化学阻抗、扫描电镜、傅立叶红外光谱和X射线光电子能谱分析，对添加剂与低温共溶剂的复合作用机理进行了初步探讨。

In this thesis, we focus on one-port SAW resonators and study their impedance characteristics.

本研究主要以单埠表面声波共振器为主，探讨其阻抗特性。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。