P Creep and shrinkage of the concrete depend on the ambient humidity, the dimensions of the element and the composition of the concrete.
混凝土的蠕变和缩水取决于环境湿度，结构尺寸以及混凝土成分。
With the increase of relative humidity, both length and diameter of vessel element increased, as well as the frequency of rays.
随着空气相对湿度的增加，导管分子长度和直径均增大，射线频率减小。
The finite element simulation and the deduced theory show the different changes of the simulated depth of carbonization under different temperature and relative humidity.
通过有限元模拟以及理论推导，还得到了模拟碳化深度在不同温度及相对湿度下的变化情况。
A static mathematical model of humidity sensing element is obtained using least square regression analysis, through regression of measured data into polynomial expression.
本文采用最小二乘法回归分析，将湿敏元件的测试数据回归成多项式，获得元件的静态数学模型。
The invention discloses a polymer composite resistance-type humidity sensing element with a nanofiber structure and the preparation method thereof.
本发明公开了具有纳米纤维结构的高分子复合电阻型湿敏元件及其制作方法。
The invention discloses a macromolecule resistance-typed humidity-sensitive element which has a hyperbranched structure and a manufacturing method thereof.
本发明公开了一种具有超支化结构的高分子电阻型湿敏元件及其制作方 法。
The invention discloses a macromolecule resistance-typed humidity-sensitive element which has a hyperbranched structure and a manufacturing method thereof.
本发明公开了一种具有超支化结构的高分子电阻型湿敏元件及其制作方 法。
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