查询词典 derivative

At the same time, the author studies the jump of the second derivative at the knots.The paper is arranged as follows.

同时，本文对插值函数的二阶导数在节点处的跳跃问题也进行了深入地分析。

The time rate of change of concentration is proportional to the second derivative of concentration.

浓度对时间的变化率成正与浓度对距离的二阶导数。这种关系被用于描述非稳定态扩散。

The second derivative of f with respect to x.

f对x的二阶导数。

Second derivative spectroscopy was used for experimental observation.

用二阶导数光谱法进行试验观察。

Image for the differential procedures, including the differential horizontal and vertical differential once, such as second derivative.

求图像的微分程序，包括横向微分，纵向微分，一次，二次微分等。

It is a new method that calculates vertical second derivative of gravity anomalies based on discrete cosine transform.

基于离散余弦变换(DCT， Discrete Cosine Transform)的重力异常垂向二阶导数的计算方法，是笔者提出的新方法。

The second derivative of LNA, DHA is the most prevalent fat in the brain and nervous system.

DHA是由LNA转化的另一种衍生物，人体脑部和神经系统都含大量DHA。

Further, the second order derivative about the temperature along axial microtube to the length is obtained.

建立简化的数学模型，并通过推导获得了沿轴向的导热对内部对流换热的关系式。

The results show that the second - order derivative peak potential of 2,4 - dihydrobenzophenone is - 1.20 V

实验表明，在pH4.30的B—R缓冲溶液中，2，4-二羟基二苯甲酮的二阶导数峰电位为-1.20V

The fluorescence spectrums of normal person and patients with bladder cancer were collected from 510 nm to 630 nm,and the second derivative spectrums were used to process data.

在510-630 nm 范围内采集健康人和膀胱癌患者尿样的荧光光谱，利用小波变换的方法进行数据处理。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。