梯度

Klinotaxis refers to movement through a gradient while taking successive samples of the environment.

Klinotaxis是指通过一个梯转移的同时连续样品环境。

Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.

摘要重力梯为重力位的二阶导数，可以通过星载梯仪进行观测。

Preconditioned con- jugate gradient algorithm is a fast and accurate computational algorithm.

预条件共轭梯法是一种精确并且收敛迅速的计算方法。

Synthetic peptide purification. Are isocratic elution and volume overload options to improve process economics?

合成蛋白提纯-无梯洗脱容量超负荷的取舍能提高工艺经济性？

With the invention of high-temperature-superconductor, the superconductive magnetic gradiometer be-comes available in application.

由于高温超导体的研究成功，使得超导磁梯仪的用成为现。

The functionally graded layers are inhomogeneous along the thickness direction, while the piezoelectric layer is homogeneous;both possess material orthotropy.

假设上下功能梯层的材料参数沿连续变化，而压电层则是均匀材料，并且它们都是正交各向异性的。

Style details : This has a grey base background color.It comes with a bevel and a softish background shadow.

这一个灰梯在这样式与一点塑料二面对切的作用。

Submarine temperature, pressure, gas compositions, geothermal gradient and syngenetic water salinity control the depth of hydrate zone basement.Autochthonous bacteriogenic mod...

海底温压力、地热梯、气体成分、同生水盐等控制着水合物稳定带基底的深。

It was obvious that soil salt accumulated in deep soil of farmland and soil salt accumulated in surface horizon of uncropped soil.

荒漠绿洲边缘区的演变以环境梯变化为主要驱动力。

The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions .

所观察到的晚熟球果的频率梯变异可描述如下：向四周相当有规律地渐次减少。

The trackability limitation of current gradient algorithm is discussed.A new algorithm, named variable parameter gradient estimation algorithm with local polynomial approximation is proposed.

本文分析了梯辨识算法跟踪时变系统的缺点，提出了一种新的基于局部多项式逼近的变参数梯估计算法。

This study describes the application of the feedback linearization neural networks, known from neural network computing, to the problem of gradient preemphasis.

本研究用线性迴归类神经网路于梯磁场的系统参数调整，这种方法不需要重覆量测与调整，因此所需时间非常短。

The basic principles of the triboelectricity beneficiation and high gradient magnetic separation technology,as well as its current status of development and usage,were presented.

验研究了采用高梯电磁技术处理热轧废水时,在不同工况下使用的效果、影响因素等。

Image reconstruction is often converted to the nonrestraint extremum of the nonlinear equations.We have deduced a conjugate gradient algorithm from the extremum of norm.

图像重建常常被转化为解非线性无约束极值问题,通过范数极小化推导出共轭梯法的一般算法。

Peak concentrations and gradients for gentamicin aried considerably between animals, likely resulting from ariations in round window membrane permeability and rates of perilymph flow.

庆大霉素的峰值浓浓梯在动物之间的差异相当的大，这可能是由圆窗膜通透性的不同外淋巴液流动率的不同所导致的。

Our approach is based on a gradient domain technique that preserves important local perceptual cues while avoiding traditional problems such as aliasing, ghosting and haloing.

我们的方法是一种基于梯域方法的技术，保存了重要的局部视觉暗示并避免了传统的混淆现象，如鬼影光晕的问题。

By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.

作者利用有效集策略，在每次迭代中只需求解一个低维的信赖域子问题，该信赖域子问题是通过截断共轭梯法来近似求解的。

This point out that in order to improve the LMS algorithm performance, the gradient are optimally estimated, or the error signal are nonlinearity processed,these methods are equipollent.

对最速下降法的梯优化估值对误差信号非线性处理，是改善LMS算法性能的等同措施。

In the CGSM, shear modulus and damping ratio of the soil are functions of depth and shear strain, wave equation for the transmission of shear wave is obtained.

在连续梯土介质模型中，剪切模量阻尼比是位置深剪变的函数，导出剪切波在土体中传播的波动方程。

A zero dead volume microinjector,a constant pressure separation system and a flow splitter for gradient elution are designed,which are effective for solving the existing main problems of CEC.

设计了一种包括具有极小死体积的进样器、恒压分离系统适于梯洗脱的分流器的流路结构,可有效地解决CEC现存的主要问题。