sine derivative curve 正弦派生曲线
pressure derivative curve 压力导数曲线
Hall Derivative Curve method Hall导数曲线法
derivative differential thermal curve 导数差示热曲线
typical pressure derivative curve 压力导数典型曲线
abnormal pressure derivative curve 导数曲线异常
derivative type curve 导数典型曲线
derivative elution curve 导数馏出曲线
Actual example illustrates the applied method of pressure derivative curve rule.
通过实例说明了压力导数曲线准则的应用方法。
The second derivative curve of the gravity field can be used as filtering factor so as to improve resolution.
为了提高分辨率,可采用重力场的二次导数曲线作滤波因子。
The first and second derivative plates of concave pressure build-up curve are presented in this paper.
本文提出了凹型压力恢复曲线的一阶导数图版和二阶导数图版。
At any point on the graph you can take the derivative, which will be tangent to the curve at each point, and its numerical value will be what you can call the instantaneous velocity of that point and you can take the derivative over the derivative and call it the acceleration.
在图上的任意一点,你可以进行求导,得到曲线上每一点的切线斜率,所得到的数值,即为该点处的瞬时速度,然后你再求一次导,得出它的加速度
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