查询词典 projection gradient method

Steepest gradient descent method had been mostly used in the iteration process of the error energy function during conventional programming problems.

传统的规划问题中，一般使用最陡梯度算法进行误差能量函数的迭代过程。

Based on the analysis of heat transfer during unidirectional solidification with stirring, a new method for measuring temperature gradient in front of S/L interface was put out.

在对强烈搅拌下的定向凝固的传热过程进行分析的基础上，提出了测量流动作用下的界面前温度梯度的新方法。

To study local influence of the data cases on the Score statistic for the test of varying dispersion in the nonlinear model of simplex distribution, this paper develops the local influence on the score test statistic under perturbation in the response variable and explanatory variables based on gradient method.

为了研究数据对于单形分布非线性模型变离差检验的Score统计量的局部影响，该文利用梯度方法分别研究了因变量及自变量的微小扰动对于该模型的Score检验统计量的局部影响，相应得到了度量最大局部影响的诊断统计量。

Since I joined the institute, my efforts have been mainly contributed to set up the RNA platform with the large-scale zonal gradient ultracentrifuge isolation system and reverse-phase HPLC system. At the meantime, I set up the in vitro translation system as the working method to study the ribosome and the translational factor LepA(EF4) functionally and structurally.

同时，主持所RNA平台建设，在此基础上建立了大规模密度梯度分离技术平台、反向HPLC的RNA分离技术平台，在实验方法上建立起了蛋白质体外表达平台，在体外研究翻译过程的每个步骤、每种因子，从微观上认识蛋白质翻译过程的机制。

Adenovirus 5第二军医大学博士学位论文英文摘要胸心外科专业(WAd5) and PDC-MLC-VEGF were transferred to the adenoviral packaging cell HEK 293cell by lipofectamine 2000 mediated gene transfer method to pack the virus; The desired Advectors were purified by density gradient ultracentrifuge and titrated in 293 cells afteridentified.

Ad.mlc-hVEGF165 体外转染心肌细胞的实验研究分离培养乳鼠心肌细胞，在同一 MOI 值下，Ad.mlc-hVEGF165 和 Ad.hVEGF165分别转染心肌细胞，以 RT-PCR 法和 Western 印迹分析法分别检测转染后心肌细胞内VEGF mRNA 的转录及 VEGF 蛋白的表达，以 ELISA 法检测转染后心肌细胞分泌的VEGF 蛋白质，MTT 等方法观察其对促内皮细胞增殖作用。

In this paper,the kinematic equations of flow of Newtonian fluid of helical flow in eccentric annulus were transformed by the method of undetermined coefficient,the calculation formula of pressure gradient of flow of Newtonian fluid of helical flow in eccentric annulus was obtained.

本研究利用待定系数法对 Newton 流体偏心环空螺旋流动的运动方程进行了变换，得到了给定流量情况下 Newton 流体偏心环空螺旋流动的压力梯度的计算公式。

The kinematic equations of the flow of Newtonian fluid in annulus with the inner cylinder executing a planetary motion were transformed using undetermined coefficient method, and the calculation formula of pressure gradient of the flow was obtained with the given flow rate.

利用待定系数法对牛顿流体在内管做行星运动的环空中流动的运动方程进行了变换，得到了给定流量条件下牛顿流体在内管做行星运动的环空中流动的压力梯度计算公式。

Newtonian fluid; helical flow; eccentric annulus; pressure gradient; undetermined coefficient method

Newton 流体；螺旋流动；偏心环空；压力梯度；待定系数法

To increase effective resolution of a tilting mode satellite image, we present a novel variational partial differential equation restoration method, which employs the gradient fidelity term to compensate high frequency information.

利用梯度保真项具有补偿高频信息的能力，提出一种变分偏微分方程复原方法，用于提高斜模式遥感图像的有效分辨率。

LI Qi-He, LUO Yu-Pin, XIAO De-Yun1. Department of Automation, Tsinghua University, Beijing 100084A fast automatic image segmentation method is presented through the combination of gradient vector flow field and seeded region growing.

摘要通过将梯度向量流(Gradient vector flow， GVF)场与种子区域生长(Seeded region growing， SRG)法相结合，提出了一种快速的自动图像分割方法。

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。