您要查找的是不是：
- PTC material,which has the property of positive temperature coefficient,is a kind of widely used electronic material. PTC材料(正温度系数热敏材料)具有电阻率随温度升高而增大的特性,是一种应用广泛的电子材料。
- The effect of annealing on crystal morphology and PTC (Positive Temperature Coefficient) properties of conductive PVDF alloy/CB composite was studied the aid of DSC WAXD SEM etc. 利用DSC、WAXD和SEM等测试手段,研究了不同热处理条件下聚偏二氟乙烯合金/炭黑导电复合体系的结晶形态及正温度系数效应(PTC)特性。
- The results show that the composite exhibits percolation threshold effect,positive temperature effect and nonlinear volt ampere characteristics. 实验结果表明,材料具有明显的渗滤效应、正温度系数效应和非线性伏安特性。
- This thesis firstly introduced the history of PTC(Positive Temperature Coefficient) thermistor including the sort and the phylogeny of it. 本文首先介绍了PTC热敏电阻的历史,其中包括PTC热敏电阻的分类和发展历程;
- The conductivity mechanism of positive temperature coefficient(PTC) effect of CB/PP/LDPE composites,along with the preferential location of C. 对复合材料PTC效应的分析以及对材料的热性能测试结果表明碳黑在共混体系中的分布。
- The conductivity mechanism of positive temperature coefficient(PTC) effect of CB/PP/LDPE composites,along with the preferential location of C... 同时探讨了体系碳黑含量的变化对PTC效应的影响。
- Whether one specialize in enterprise of High polymer PTC thermal resistor (Positive Temperature Coefficient), Specialize in the research and development, production, Sale. (生产、经营)产品及类型介绍:专业从事高分子PTC热敏电阻的研究开发、生产、销售。
- The base of a transistor in the positive temperature coefficient circuit is connected to the base of a transistor in the negative temperature coefficient circuit to bias it. 正温度系数电路中一个晶体管的基极连接到负温度系数电路中一个晶体管的基极以围棋提供偏压。
- The conductivity and Positive Temperature Coefficient (PTC) characteristics which include resistivity-temperature characteristic and current-time characteristic of HDPE/EVA/CB composite materials were studied in this paper. 研究了HDPE/EVA/CB(炭黑)复合材料的导电性及正温度系数(PTC)特性,包括电阻-温度特性和电流-时间特性。
- The PTC(positive temperature coefficient)conducting behavior of the polymer composites using HDPE as a ma- trix and industrial carbon black(CB)as conductive particles were studied. 研究了以HDPE为基体，工业炭黑（CB）为导电粒子的高分子复合材料的PTC（正温度系数）导电行为。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Polymer composites filled with carbon black have the characteristics of positive temperature coefficient. The paper introduces the electric conduction mechanism and presents status and development trend of PTC polymer materials. 摘要对聚合物基PTC材料的研究现状及导电机理进行概述，对最近提出的新理论，应力模型和双临界物理模型作详细介绍，并对该类材料的研究展望作详细论述。
- The negative temperature coefficient(NTC) effect of resistivity corresponded to thermal activation conduction mechanism, while the positive temperature coefficient(PTC) effect w... 分析了硫化胶的导电机制;讨论了阻温关系发生移动的原因.
- Due to the unique dielectric and ferroelectric properties, barium titanate has been widely used as positive temperature coefficient thermistors, piezoelectrics, capacitors, and dynamic memory etc. 摘要:因为钛酸钡独特的介电及铁电性质，而被广泛使用于电热调节器，压电的侦测装置，陶瓷介电材料，和非挥发性记忆体等。
- A new type of resettable over-current protectors has been developed by taking advantages of the favorable properties of shape memory alloy and positive temperature coefficient materials. 采用将形状记忆合金材料过热发生形状突变和正温度系数材料自动恒温的特性相结合的原理，研制了一种新型自复式保护器件。
- The packaging materials and processes of positive temperature coefficient (PTC) devices made up of the composite of polyethylene and carbon black(PE/CB) for over current protection were studied. 用环氧和有机硅树脂涂料对由聚乙烯／炭黑（PE／CB）制备的正温度系数（PTC）电路保护元件的表面处理及其工艺进行了研究。
- Barium titanate (BaTiO3) based ceramics wh ich exhibit positive temperature coefficient of resistivity (PTCR) effec t were doped by yttrium fluoride (YF3) under different atmosphere. 在不同气氛下制备了YF3掺杂钛酸钡材料,并对其电阻的正温度系数特性进行了研究。
- Series and parallel compensated resistance were connected in Wheatstone bridge to compensate zero position temperature drift of accelerometer. 该方法采用串并联电阻来补偿加速度传感器的零位温度漂移,采用在电源后串联二极管来补偿加速度传感器的灵敏度温度漂移。
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
