查询词典 potential gradient

Sodium iodide symporter is located in the baso lateral plasmamembrane of thyrocytes. The main function of NIS is to cotransport one iodide ion against its electrochemical gradient together with two sodium ions along their electrochemical gradient.

碘是合成甲状腺激素的重要组成部分，碘在甲状腺中的浓度是血浆浓度的 2 0～ 4 0倍，碘的摄取主要在甲状腺滤泡上皮细胞基底膜上进行，是由钠碘转运体驱动的主动转运过程 [1 ] 。

In view of the non-linear relation between the hefts of the partial stress tensor and the velocity gradient of the fluid, the intrinsic equation only depends on the first order differential coefficient of the velocity gradient.

考虑流体的偏应力张量分量与速度梯度为非线性关系的情况，本构方程仅依赖于速度梯度的一阶导数。

The results show that the tangential stress distribution is decided by pressure gradient, that is, the maximum tensile stress locates where maximum pressure gradient is, while the compressive stress locates where pressure gradients change their direction.

结果显示，轴瓦周向应力分布取决于油膜压力的梯度，最大拉应力位于压力梯度最大处，而周向压应力的峰值则位于压力梯度方向改变处。

And within the help of ANSYS software, how housing thickness, plastic module of housing and oil film pressure gradient effects the bearing stress distribution is analyzed in this paper. The relationship between alloy tangential stress or radial stress or shear stress and oil film pressure or pressure gradient is also analyzed.

利用ANSYS软件分析了轴承座厚度、轴承座弹性模量和油膜压力梯度对轴瓦应力分布的影响，分析了轴瓦合金层周向应力、径向应力和剪应力的应力场与油膜压力及油膜压力梯度的关系。

It is consist of the measure of temperature, the gradient of temperature treating, sum gradient of temeprature.

本文的数字化无线温度传感器具有集成化、智能化的特点，它由温度测量、温度处理和温度值显示三部分构成。

When the temperature gradient and the magnetic field gradient are in the same direction, the heat transfer can be strengthened.

磁场与温度场和浓度场之间的方向协同良好时，能起到强化氨水吸收过程中传热传质的作用。

The purpose of this dissertation is to study a principle or method to describe and analyze the complex problems with high gradients arising from practical engineering. The main contents cover:1. The Bezier function was introduced to approximate high gradient functions, and a suitable coupled function was derived. Some detail numerical results show that the Bezier-based function is dominant over other combination function such as polynominal and trigonometric series, when to describe a high gradient function.

针对工程中大量存在的高梯度问题进行函数逼近的研究，引入Bezier函数对高梯度问题进行函数逼近，构成以Bezier函数为主的复合逼近函数，数值考证表明：与常规多项式插值函数的逼近及"幂／三角"复合函数的逼近相比，基于Bezier函数的逼近函数对高梯度问题的描述具有明显优势。

To prevent the process-color or gradient appears in the unevenness of stripes, usually the gradient control in 1 to 4 inches.

为防止混色或渐变中出现不匀条纹，通常将渐变控制在1至4英寸。

A variational formulation level set model based on the image global information is obtained, which can detect contours both with and without gradient based on global information and eliminate the re-initialization procedure. The stopping term does not depend on the boundary gradient of the image, which overcomes greatly the "over segmentation".

针对这种情况，该文提出了一种基于图像全局信息并且不需要重新初始化的变分水平集红外图像分割方法，不考虑图像边缘梯度的影响，将图像全局信息作为外部能量项，在很大程度上克服了边缘模糊时过分割的情况。

Set up the background gradient vectograph of highway surface at first, according to the comparative result with the gradient vectograph of the present frame image, judge whether it is highway surface background or vehicle , then carry on morphological filtering which can remedy the inside cavity and reject isolated points, and the vehicle is segmented accurately last.

首先建立路面背景梯度矢量图，根据与当前帧图像的梯度矢量图的比较结果，判断是否是路面背景或是运动车辆，然后对运动车辆区域进行形态滤波，弥补内部空洞和剔除杂点，进而准确分割出车辆。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。