The measuring principle of a wind speed sensor which employs a negative temperature coefficient (NTC) thermistor as detector is described.
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；
Based on negative temperature coefficient resistance (NTCR), a fine multiple channel temperature measurement system was designed.
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。
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。
The factors influencing the efficiency of the heat stove are the surplus coefficient of the air, negative stress of heat stove, temperature of the discharged smoke.
影响加热炉运行效率的主要参数有空气过剩系数、加热炉负荷率、排烟温度等。
The invention relates to a method for preparing negative temperature coefficient heat-variable powder body-the method of hydro-thermal chemical reaction.
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。
At the same time, the correlation coefficient between temperature vertical decrease rate of low layer atmosphere and air pollutant concentration is negative.
同时，贴地大气层结温度递减率与空气污染物浓度呈显著反相关。
The critical plastic strain for the onset of serrations has a negative or positive temperature coefficient within the temperature region lower or higher than Tt.
在该温区内，应变速率敏感性出现了负值， 强度出现了一个平台；
The critical plastic strain for the onset of serrations has a negative or positive temperature coefficient within the temperature region lower or higher than Tt.
在该温区内，应变速率敏感性出现了负值， 强度出现了一个平台；
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