查询词典 gradient

A voltage produced between contact terminals due to the temperature gradient across the relay contacts, and the reed-to-terminal junctions of dissimilar metals.

接触电势由于继电器触点间的温度梯度，以及&簧片－端子&异金属结而引起的触点端子之间的电压。

Gravity anomaly of sea surface, vertical gradient of gravity anomaly, downward continuation, cylinder method, geometry method

地表重力异常及其梯度本质上都是位的派生物，重力异常是其径向的一阶导数，垂直梯度是其二阶导数，它对接近地表的扰动物质更为敏感。

In order to study the changing process of Barium strontium titanate Ba(subscript xSr(subscript 1-x) TiO3, BST from cubic phase to the tetragonal phase with Ba doping and the ferroelectric characteristic of BST, the total energy of BST with different mole ratio of Ba/Sr when Ba doped was calculated and the fine structure determined, based on general gradient approximation, by means of ultrasoft pseudopotentials plane wave method.

为了研究钛酸锶(SrTiO3， ST)中随Ba的掺入，其晶体从顺电相到铁电相的变化过程及四方相钛酸锶钡Ba(下标 xSr(下标 1-x)TiO3， BST的铁电性。在广义梯度近似下，利用超软赝势平面波方法计算了不同Ba/Sr摩尔比BST的总能量，确定了BST的精细结构。

First, an energy non-local model is presented to derive the constitutive equation of a new strain gradient theory.

首先，提出了能量非局部模型，并由此模型，得出新应变梯度理论的本构关系；其次，由变分原理，得出相应的有限元公式；再次，给出了微压痕硬度的有限元分析方法；最后，将该理论预测结果与经典理论预测结果以及实验结果进行了对比。

In this paper, based on the couple stress theory, and MPUA theory, a finite elastic deformation theory considered micro-rotating was established according to the strain gradient theory.

本文是在偶应力理论和应距理论基础上，结合应变梯度理论而建立起来的一个考虑微旋转的非均匀有限弹性变性理论。

A new method for assessing the local shear strain in adiabatic shear band of Ti-6Al-4V is proposed by using of gradient-dependent plasticity.

中文摘要：提出了利用梯度塑性理论计算Ti-6Al-4V绝热剪切带的局部剪切应变新方法。

Flow-field simulation shows that radial pressure gradient goes down fast and air flowrate is nearly directly proportional to the well vacuum and the soil permeability coefficient. It also indicates that stop-off coating will play an important role in SVE.

采用Galerkin三角形有限单元法对复合地表边界的竖井土壤气相抽提稳态流动问题进行了数值模拟分析，模拟结果显示：气相压力沿径向梯度迅速下降，抽提流量与土壤通透系数及真空度呈现高度相关的正比例关系，且地表隔绝覆盖层对流场影响很大。

Debris flow ; gradient ; rag stone province ; unreasonable human project activity

泥石流；比降；硬质岩区；不合理人类工程活动

In order to know the effect of the turbulence, we performed calculations for the evolution of the Star with 8M (subscript ☉), and stadied the effect of turbulent stress on the evolution and structure of the star by comparing the ratio of the turbulent stress gradient to gravitation.

通过计算8M恒星从主序星到早期AGB星演化过程中湍流应力梯度与引力的比值来研究湍流作用对恒星演化与结构的影响。

Adaptive filter ; weak photoelectric signal detection ; least mean square ; gradient adaptive lattice joint processing

自适应滤波器；微弱光电信号检测；最小均方算法；梯度自适应格型联合算法

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。