查询词典 gradient

It is a very important progress that a new procedure was developed using a re-formative gradient medium and by ultra-centrifugation for the isolation and purifi-cation of intact WSSV viral particles from the infected penaeid shrimp or crayfish.

在完整WSSV病毒粒子纯化技术上取得重要研究进展。采用改良的密度梯度离心介质建立了一套成熟的WSSV纯化方案。

And then the influence of two of the damage models, the Kachanov and the gradient-dependent constitutive equations, on the well-posed properties of the fundamental equations in continuum damage mechanics is studied according to the characteristic method of the quasi-linear partial differential equations under the case of one dimension elastic damage.

首先从非局部理论出发，推导了应变梯度损伤本构方程；然后利用一阶拟线性偏微分方程组的特征理论，在一维弹性损伤情况下分析了两种不同的本构模型，即Kachanov损伤本构方程与应变梯度损伤本构方程，对连续介质损伤力学基本方程适定性的影响。

In this paper, the image intensity surface for the neighborhood of every pixel is well-fitted by the Least Squares Support Vector Machine, and the gradient and the zero-crossing operators are deduced from the LSSVM with the Radial Basis Function kernel function, as an example.

摘要该文利用最小二乘向量机对原始图像每一像素的邻域作灰度曲面的最佳拟合，并以径向基核函数为例导出了图像的梯度算子和零交叉算子。

Reactive power needs depend on the voltage gradient, which is a function of the network topology.

所需的无功取决于电压的增减率，其是网络拓扑的函数。

The recipes and fabrication procedure of high voltage gradient ZnO nonlinear resistor were systematically studied.

开展了高参考电压梯度氧化锌电阻片配方和工艺的研究以及高性能电阻片的试制工作。

This inductance creates a voltage gradient, commonly called ground-noise voltage.

这创造了一个电压梯度电感，一般叫ground-noise电压。

During a fault, the flow of current to earth will result in voltage gradient s on the surface within and around a substation.

在故障期间，电流流入地中时会在变电站内及周围地面上形成电位梯度。

On the basis of the coupled mode theory, considering the effects of attenuator/sever, taper/step phase velocity, voltage gradient of electron beam, etc.

在此基础上，采用严格的场论分析方法得到了螺旋线慢波系统的色散方程、耦合阻抗和衰减常数的表达式。

It indicates that the changes of threshold voltage and the gradient are related to the display stability of LCD,whose display contr...

经分析得出：在60～100 Hz区间，所测试的液晶光阀陡度随频率变化相对较小，显示特性较稳定。这为设计液晶显示器件，提高其显示稳定性提供了依据。

In this case, the evaluation unit ( 14 ) is designed in such a manner that it can be used to generate a correction signal using the control voltage and a nominal gradient of the voltage-controlled oscillator ( 4 ) and to apply said signal to the evaluation output.

此例中，该评估单元(14；14')以其可用于使用该电压控制振荡器(4)的控制电压及名义梯度来产生一修正信号及施加该信号至评估输出的方式来设计。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。