查询词典 potential gradient

A new microelectroforming technique using assisting low air-pressure alternately and temperature-gradient surroundings in the bath was introduced.

开发了一种新的电铸技术：辅助交变低气压-温度梯度微细电铸技术，并介绍了该技术的基础理论，分析了其作用机理，研制了实施该技术的专用装置，进行了微细电铸试验。

Objective: To study the value of the serum-ascites albumin gradient in the differentiation of ascites.

目的 探讨血清腹水白蛋白梯度在腹水性质鉴别中的价值。

Methods: Density gradient centrifugalization and absorption technique wererespectively applied to detach peripheral blood mononuclear cells andperipheral blood lymphocytes,T lymphocytes were got by Nylon postabsorption method, and CD4+T and CD8+T lymphocytes divided with anti- CD4 andanti-CD8 antibody by alexin cytotoxic method.

密度梯度离心法分离外周血单个核细胞，玻璃器皿吸附法分离外周血淋巴细胞，尼龙棉柱法分离 T 淋巴细胞，补体介导的细胞毒法分别制备 CD4+T和 CD8+T 淋巴细胞，采用 T 淋巴细胞与角质形成细胞共培养技术研究银屑病患者外周血 T 细胞对角质形成细胞的影响，免疫组化法检测共培养角质形成细胞 Ki67、c-Myc 及 Bcl-xL 蛋白的表达。

The finite difference is used to approximate differential operation; the reflectance map equation described by the first order nonlinear differential equation is transformed into an algebraic equation about the unknown surface heights, and then the objective equation is constructed by the reflectance map equation and gradient information of image. Moreover, the Newton iterative algorithm is utilized to obtain the numerical solution and 3D shape of the surface.

采用有限差分近似微分运算，将一阶非线性微分方程所描述的反射图方程转化为关于未知表面高度的代数方程，再由反射图方程和图像梯度信息构造目标方程，进而用Newton迭代算法求出该方程的数值解，得到表面三维形状。

In this thesis, we mainly discuss the algorithm and the theory of conjugate gradient method .

本文主要研究了共轭梯度法的算法和理论，得到了一些理论和数值结果。

Variances were found among the varying amplitudes of the individual ecological field gradients of Alsophila spinulosa in different sites. The maximal gradient values and effect distances of the maximal gradients also varied.

不同地段的桫椤种群个体场梯度大小变化幅度不同，最大场梯度值以及出现最大场梯度时的作用距离亦不相同。

In all such cases, equality is naturally a gradient notion and so is amenable to modification in degree.

在所有这些例子中，相等是个可变化的概念，所以可在程度有所不同。

Methods The total proteins of untreated and INH-treated mc^2 155 cells were separated by ampholyte pH gradient-based two-dimensional gel electrophoresis (2-DE). Tire differential expression proteins were analyzed by using image analysis software. Results Proteins of control group arid INH-treated group contained 159 and 221 protein spots, respectively.

观察不同浓度的异烟肼处理前后耻垢分枝杆菌生长曲线，确定药物处理SM细胞的最佳时间和浓度，并提取在最佳处理时间和浓度条件下的SM细胞总蛋白，采用载体两性电解质pH梯度双向凝胶电泳技术分离异烟肼处理前后耻垢分枝杆菌mc^2 155细胞的总蛋白质，用PDuest 7.3.1图像分析软件比较分析，以识别差异表达的蛋白质。

By extending the concept of MBE technique and employing the uniform buffers to separating the sample electrophoresis, the zone electrophoresis was developed. The isotachoporesis technique is based on the separation in a discontinuity form between two buffer solutions and results in separation of samples. The isoelectric focusing is a method that concentrates the ampholyte sample by the pH gradient introduced in the background ampholytes.

区间电泳法以移动边界电泳法作为基础的技术，其在系统环境充满均匀的缓冲液进行分离；等速电泳法则利用两缓冲液进行不连续分离之技术；等电点聚焦电泳法则利用背景溶液建立出pH值梯度，双性电解液样品因其位於等电点所受库伦力为零而聚焦於此。

Using the photorefractive saturable nonlinearity, we fabricate both types of step and gradient photorefractive phase components through the ways of digital recording and analog recording respectively under different ratios of light intensity I/Id.

利用光折变饱和非线性，首次在不同光强比条件下通过数字和模拟记录两种方式分别制作了阶跃型和梯度型位相元件。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。