在这样的条件下，异丁烯的氧化溲有冷焰与负温度系数现象。
Under these conditions, no cool flame and negative temperature coefficient phenomenon was observed.
以负温度系数热敏电阻为核心器件设计了多通道高精度温度测量系统。
Based on negative temperature coefficient resistance (NTCR), a fine multiple channel temperature measurement system was designed.
介绍了采用负温度系数热敏电阻器为检测元件的风速传感器的测量原理；
The measuring principle of a wind speed sensor which employs a negative temperature coefficient (NTC) thermistor as detector is described.
本发明涉及一种负温度系数热敏粉体的制备方法――水热化学反应的方法。
The invention relates to a method for preparing negative temperature coefficient heat-variable powder body-the method of hydro-thermal chemical reaction.
另外，辐照交联可以很好地增加材料的PTC强度和降低负温度效应（NTC） 。
Moreover, the PTC intensity was enhanced and the NTC intensity was decreased by radiation crosslinking.
本文介绍了采用负温度系数热敏电阻作为温度传感元件的冷库温度自动监控仪的电路设计及其工作原理。
This paper presents the working principle and electronic circuits of an automatic temperature monitor for refrigerating storage applications with the NTC thermistor as its sensing element.
本文介绍一种负温度系数热敏电阻器B值测量的原理，并根据此原理设计出了基于单片机的实现电路图。
This paper presents the principle of a meter for measuring B value of the NTC thermistor. According to this principle, a microprocessor-based circuit diagram is designed.
分析了处于负温度状态系统的特征，并将其与薄凸透镜成像特征作类比，阐明了应用类比法讲授负温度状态的优越性。
The characteristics of negative temperature state system were discussed, and compared with the image-forming behavior of thin convex lens.
热力学三个基本定律的表述繁多，但其前提常常是正温度条件下孤立系统的结论，鲜见有关于负温度系统下的有关表述。
It has many representations on the three basic laws of thermodynamics, but their presuppositions are often conclusions under the positive temperature and the isolated system.
在传统正负温度系数电流叠加的基础上，通过增加一条电流支路，对温度特性进行优化，使用简单的结构得到了很好的温度特性和电源电压调整率。
Compared with the typical current superposition with positive/negative temperature coefficient, the third current branch was added to optimize the temperature features by curvature compensation.
在传统正负温度系数电流叠加的基础上，通过增加一条电流支路，对温度特性进行优化，使用简单的结构得到了很好的温度特性和电源电压调整率。
Compared with the typical current superposition with positive/negative temperature coefficient, the third current branch was added to optimize the temperature features by curvature compensation.
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