By theoretical derivation, the partial derivatives of the deviation between the humidity sensing characteristic curve and the fitting line to the self-resistance are obtained.
通过理论推导，获知了湿敏电阻器的感湿特性曲线与拟合直线之间的偏差随其本体电阻的变化关系。
2
Structural characteristic of 20-hi rolling mill, roll configuration, working concept, the rolling force analysis, derivation and studying results are discussed this paper.
对20辊轧机构造特点、辊系配置、工作原理、轧制压力的分析、推导、计算进行了研究。
3
This paper introduces the characteristic, the main structure parameters design and the formula derivation of the transverse teeth, as well as the application of it in electric tool carrier.