形状因子

BP算法中学习率及形状因子对学习速度的综合影响

Effect of the Learning Rate and Shape Factor on the Learning Speed in BP Algorithm

胰岛形状因子（SF）增高；

The shape factor of islets increased .

B→π跃迁形状因子的计算

The Calculation of B →π Transitions Form Factor

在整个运动学范围内研究Bs→K跃迁形状因子

Researches on B_s → K Transition Form Factor in the Whole Kinematically Accessible Range

x射线原子形状因子

X ray atomic form factor

用光锥QCD求和规则研究B→π跃迁形状因子

Research on b →π transitions form factor in light cone QCD sum rules

介子跃迁形状因子的重夸克极限和1/mQ修正

Heavy Quark Limit and 1 / m_Q Corrections to Form Factors for Mesonic Transitions Within the BS Formalism

本文正是利用2-3GeV的R值扫描数据，对类时过程质子形状因子进行测量研究。

In the paper we study the time-like region form factor of the proton using the 2-3 GeV R value scan data .

在量子色动力学中转换电磁形状因子F（A1π）（q~2）的大动量行为

The large momentum behavior of the electromagnetic transition form factor f_ ( a_1 π)( q ~ 2 ) in QCD

在相同Cu含量条件下，Cu颗粒的形状因子越大、尺寸越小，金属陶瓷的弹性模量越高且强韧化效果越好。

With same Cu content , the elastic modulus and toughness increase with increasing shape factor and decreasing size of the Cu phase .

NURBS曲线方程包含了两个形状因子：控制顶点和相应控制顶点的权因子。

NURBS curve equation contains two shape parameters , i.e. control convex and the weight factor .

在BES上测量质子电磁形状因子的研究

Study the measurements of the electromagnetic form factor of the proton on BES

针对碳化钒的不同形态，设计出定量分析软件，并利用形状因子K，实现了高钒高速钢不同碳化物形态数值化处理，当K介于0.785~1.000之间碳化钒形态为团球状；

Quantitative analysis software is invented for effective analysis of different vanadium carbide 's morphology , and the form factor K can represent the morphology of different vanadium carbide .

提出了以形状因子F结合3个不变矩，构成4维特征向量来标示钢球表面曲线区域的特征。

The thesis also proposed that by the shape factor F combined with three moment invariants the four-dimensional eigenvector was constructed to sign the feature of steel ball surface curve area .

分析表明，共晶硅相的形状因子反映了AFS变质级别的变化趋势。

The analysis results have shown that the average shape factor of eutectic silicon phase provides a correct ML trend .

借助价子模型，讨论了原子核中的质子电形状因子GE~P（Q~2）和π衰变常数fπ。

By using the valon model , the electric form factor of the proton in the nucleusG_E ~ P ( Q ~ 2 ) , and π decay constant f_ π are discussed .

囊腺癌级细胞的核形状因子与其它两组比较，差异有非常显著意义（P＜0.01），细胞核周长、核面积差异无显著意义（P＞0.05）。

In the aspect of morphometry , nuclear circle was greatly different among the three groups ( P < 0 . 01 ) . There was no significant vari-ances in nuclear parameter and area ( P > 0 . 05 ) .

引进形状因子使形成的三角形网格形状达到近优.实例及特性表明所提出的算法可靠、有效且易实现二维CAD／FEM一体化。

Triangular mesh shape could be near-optimal by using shape factor . Examples and their characteristics demonstrate that the algorithms presented are reliable and efficient , and can be easily integrated CAD with FEM .

研究了聚酯短纤维TT的形状因子、体积分数、取向程度、分散状态及粘合程度对热塑性弹性体CPE／PVC物化性能的影响。

The effects of form factor , volume fraction , orientation , dispersion and adhesion of polyester short fiber on thermoplastic elastomer CPE / PVC were studied .

本文用改进的光锥QCD求和规则计算B→π跃迁形状因子，并与标准的光锥QCD求和规则的结果进行比较。

In this paper , the B →π transitions form factor was calculated in improved light-cone QCD sum rules and compared with standard light-cone QCD sum rules .

利用贝加尔湖地区GPS监测网测站坐标，根据边长尽量相等的原则，形成了11个Delaunay三角形，计算了各三角形的形状因子，结果表明有9个三角形的形状因子大于0.1。

We form 11 Delaunay triangles using the coordinates of GPS stations in Baikal Lake region in the light of side length being equal as far as possible for each triangle .

本文介绍了土壤源热泵垂直埋管式换热器的三种不同简易计算模型，引入不同的导热形状因子，并利用G函数来确定管井井壁的温度。

Three kinds of simple heat transfer models of ground source heat pump systems equipped with vertical U-tube ground heat exchanger are introduced . G-function and conduction shape factors are employed to calculate the sidewall temperature of tube-well .

我们选择了恰当的手征流关联函数，用光锥QCD求和规则去计算B到π的跃迁形状因子，得到的结果仅仅依赖于π介子的3扭度光锥分布振幅。

We derive and express for the B →π transition form factor only depending on the twist-3 distribution amplitudes by choosing an adequate chiral current correlator in the light-cone QCD sum rules .

文中还对该船模的形状因子（1+K）、佛鲁德数（Fr）以及破水阻力（R）进行了不确定度分析，并给出了分析的结果。

At the same time , the uncertainty analysis of the form factor ( 1 + k ), Froude number Fr and the break water resistance of this ship model is also analyzed and the analysis results are given .

方法：应用DNA特异染色（Feulgen染色），测量每例50～70个细胞核的面积、周长、最大直径、等效圆直径、核形状因子5项参数。经统计学分析。

Using Feulgen staining technique , 50 to 70 tumor cell nuclei were studied per case for their area , perimeter , maximum diameter , equivalent diameter and regular form factor .

针对黏性土及非饱和土结构定量分析的困难，介绍了能反映土在变形过程中的内部结构特征变化的三个电阻率结构特性指标：平均结构因子F、平均形状因子f、各向异性系数A。

In order to study soil microstructure quantitatively , three electrical resistivity indices , average formation factor , average shape factor and anisotropy factor , which can reflect the varieties of soil microstructure , are stated in this paper .

以ANSYS提供的APDL语言编写相应程序，建立含有环向穿透斜接弯管结构，分别在内压、弯矩载荷作用下计算给出了线弹性条件下的应力强度因子K1值并换算成形状因子F。

The annular through-wall cracks in inclined piping elbows are established by APDL language of ANSYS . The stress intensity factor of KI is calculated under pressure and moment , then is transformed to shape factor F.

引入体视学参数Sv（比界面积）及Sf（形状因子），用图象分析仪定量地分析了ZHM新型耐磨材料的强化机理。

Stereology Parameter Sv and Sf have been Inducted Image Analysis is used for strenthening mechanism analysis of New type wear Resistant Meterials .

确定形状因子的修正的Prohaska方法

A corrected Prohaska method for determining hull form factor

在BS理论框架下，求解了ρ和K的波函数，计算了B→ρ和B→K跃迁的形状因子，进而计算出B介子衰变到2个轻介子稀有过程的分支比和CP破坏量。

Based on the BS theory , in this paper , solves the wave function of r and K , calculates form factors of transition for B-P and B-K , and also calculates branching ratio of B meson and Non-lepton disintegration and CP destruction .