查询词典 potential gradient

Computational fluid dynamics method was utilized to the fiowfield numerical simulation of ultrafine stirred mill, the flowfield characters(velocity gradient, shear rate dispersion of flowfield and the dissipative force of viscosity and so on) of three kinds of stirrer(disc type, stick type and spiral type) were analyzed.

利用计算流体力学方法对超细搅拌磨机进行了流场仿真数值模拟，分析了盘式、棒式、螺旋式三种搅拌器的流场特性(速度梯度、流场的剪切率分布和粘性耗散率等)。

By means of the projection method,adding a small disturbing function to the objective function, the penalty method, andthe gradient method, this dissertation proposes several neural networks for solvingsaddle point problems and minimum radius of ball-coverings problems, and investi-gates the stability of the proposed networks by the LaSalle invariance principle andthe Lyapunov method, so as to design neural networks which avoid getting stuck inthe local minimum.

本文针对约束鞍点问题和球覆盖最小半径的计算问题，分别利用投影法、对目标函数加上很小"扰动函数"的逼近法、罚函数法和梯度法等建立神经网络模型进行求解，并基于LaSalle不变集原理和Lyapunov直接法等工具，对模型的动态特性进行研究，从而设计出避免陷入局部极小的优化计算神经网络模型。

The introduction of line searches requires the solution of sub-problems must be a dropped direction, that is g T k δ k 0, In this paper, we study the existed methods of solving sub-problems, prove Zhang and Xun 1999's dogleg method and Steihaug 1983's conjugate gradient method to meet the condition of adequate decrease, then the solution can be used in line search.

引入线搜索要求子问题的解必须是下降方向，即g T k δ k 0，本文研究了现存的子问题的求解方法，证明了Zhang和Xun1999折线法、Steihaug1983共轭梯度法满足"充分下降条件"，得到的解可以安全实施线搜索。

The authors used gravity gradient anomalies to interpret the Southwest sea basin of the South China Sea and obtained the domal structure plane with the NE-trending spreading axis of the sea basin as the symmetric axis.

本文利用重力梯度异常对南海西南海盆进行了解释，得到大致以西南海盆北东向扩张轴为对称轴的穹隆状构造面。

This model includes two basic methods to compute the gradient: magnitude and dot product.

梯度模型中包含了两种基本的梯度方法：梯度幅度和梯度点积。

Exempted Habitat and the Yellow River to burst fan attached to flat topography, there are only eastern Longshan, shigongshan, Kishan, Langshan, double-lock the limestone More than 10 residues Venturi distribution; The entire Northwest Bozhou high terrain to l/9000 ground to the southeast of natural gradient-dumping.

辖境与黄河决口扇形地相连，地势平坦，仅东部有龙山、石弓山、齐山、狼山、双锁山等10余处石灰岩残丘分布；整个亳州地势西北高，以l／9000地面自然坡降向东南微倾。

The downslope height of gas/water contact with different permeability, different gas injection rate and different actuating pressure gradient with gas flooding are calculated.

实验拟合了气驱水启动压力梯度，计算了不同渗透率、不同注气量、不同气驱水启动压力梯度下的气水界面下移高度，应用CMG数值模拟软件，进行了注气抑制底水锥进的模拟研究。

Yes. From Roundwood reservoir in county Wicklow of a cubic capacity of 2400 million gallons, percolating through a subterranean aqueduct of filter mains of single and double pipeage constructed at an initial plant cost of 5 pounds per linear yard by way of the Dargle, Rathdown, Glen of the Downs and Callowhill to the 26 acre reservoir at Stillorgan, a distance of 22 statute miles, and thence, through a system of relieving tanks, by a gradient of 250 feet to the city boundary at Eustace bridge, upper Leeson street, though from prolonged summer drouth and daily supply of 12 1/2 million gallons the water had fallen below the sill of the overflow weir for which reason the borough surveyor and waterworks engineer, Mr Spencer Harty, C.

48流了。从威克洛郡的容积二十四亿加仑的朗德伍德水库，流经达格尔河、拉思唐、唐斯峡谷和卡洛希尔，流进坐落于斯蒂尔奥根那二十六英亩的水库，中间的距离是二十二法定英里。这条有着过滤装置的第一期施工的单管及复管地下引水渠，根据合同直线每码的铺设费为五英镑。再由一批水堰进行调节，以二百五十英尺的坡度在上利森街的尤斯塔斯桥流到本市界内。但是由于夏季久旱，再加上每天供水一千二百五十万加仑，水位已降到低于排水口。

The sub-gradient algorithm is designed to solve lagrangian dual problem according to its characteristic.

根据问题的特性设计了次梯度算法求解拉格朗日对偶问题。

The flow, concentration and velocity have not an extreme gradient distribution in the anterior maxillary of edentulous patients.

无牙颌患者上颌前部的血流量、血流浓度及血流速度的梯度分布不明显。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。