This paper introduced the performance of a high frequency gas-couple two-stage PTC, which has reach the lowest temperature of 16.
本文介绍了一套高频气耦合型两级脉冲管制冷机的性能特性，该脉冲管制冷机可以达到16。
This paper discusses the application of PTC element in the starting of direct current electromagnet according to the working principle of electromagnet and the current time relation of PTC.
本文根据电磁铁的工作原理和PTC元件的电流时间特性，探讨了PTC元件在直流电磁铁启动中的应用。
This paper shows a review to PTC Asia 2003 and underlines the prospective and direction of fluid power and mechanical transmission.
本文对2003亚洲国际动力传动与控制技术展览会进行了评述，同时阐述了流体传动及机械传动技术的进展和动向。
This paper briefs the working principle of the PTC starter used in refrigeration compressors and analys the factors of effect of the constructual elements on the devices.
简述了制冷压缩机用PTC起动器的工作原理，对PTC起动器中结构元件对起动器的影响因素作了初步分析。
This paper emphatically analysed the CT direct signs, indirect signs and characteristic manifestations of respective tumors and being compared with imaging technique of US, ERCP, PTC etc.
着重分析该部位肿瘤所共有CT直接与间接征象以及各种不同肿瘤的特征性CT表现，并与US、ERCP、PTC等影像技术进行比较。
Based on PTC Resistance -temperature characteristics, we develop a tachometer on thermal dissipation. In this paper, structure and principle of the tachometer on thermal dissipation are discussed.
根据PT C电阻-温度特性，研制了热耗散转速仪，并阐述了热耗散转速仪的结构和原理。
The trip principle, mounting methods, element characteristics and influencing factors, and applications of PTC overcurrent protectors based on polymer were introduced in this paper.
介绍了高分子基PTC过电流保护元件的动作原理、安装方式、性能特点，影响因素及其应用。
In this paper, the mechanism, influencing factors and stabilizing ways of PTC effects in thermistor materials of polymer matrix are reviewed.
综述了聚合物基pt C热敏材料的PT C效应机理、PTC效应影响因素以及PTC效应稳定化的途径。
In this paper, the mechanism, influencing factors and stabilizing ways of PTC effects in thermistor materials of polymer matrix are reviewed.
综述了聚合物基pt C热敏材料的PT C效应机理、PTC效应影响因素以及PTC效应稳定化的途径。
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