半径差

化学键参数和原子半径差与BMG合金的GFA关系原子时和协调时之差

Research of the Relation Between Chemical Bonding Parameters and Difference in Atomic Size Ratios and GFA of BMG

绳间相对滑动对多绳摩擦提升机绳槽允许半径差的影响

Effect of relative sliding rope on allowance of rope grooves of multi-rope friction hoist

关于绳槽临界半径差的几个问题调查半径与地层损害之关系

THE PROBLEMS ON THE CRITICAL VALUE OF DIFFERENCE OF ROPE GROOVES The Relationship between Investigation Radius and Formation Damage

分析表明，掺杂离子和所取代离子的半径差越大，离子导电性越高。

Analysis indicates that the lower the radii difference between dopant atom and matrix atom is , the higher the conductivity is .

并指出该提升机专用于提升载荷时，绳槽半径差和钢绳过渡张力波动都将随提升次数增加而减小。

It is pointed out that both the radus difference and the fluctuation of transition tension will be decreased with increasing numder of hoisting times when the hoist is used to hoist load specially .

滚动圆半径差是描述轮对与轨道接触的主要特性之一，也决定轮对的动态特性。本文采用数值方法，以轮轨几何接触特性为基础优化设计车轮外形。

The curve of rolling radius difference , equivalent conicity and position of contact points were obtained . A method for determination of an optimal railway vehicle wheel profile for a given geometric contact characteristics of wheel / rail using a numerical optimization approach was presented in this paper .

精确测量长凹球面曲率半径的差分干涉微机系统

Differential Interferential Microprocessor-based Measurement System for Precision Measuring the Radius of Curvature of Long Radius Concave Optical Surfaces

对轴向载流圆台导体电阻的计算结果作了修正，讨论了关于大块导体的电阻的概念，指出在圆台导体两底面半径之差远小于导体长度时，电阻值才为常见的计算值。

The result of the calculation of the conductor resistance of an axially current-carrying circular truncated cone is corrected and the concept of resistance of a solid conductor discussed .

通过小液滴模型的中子皮厚度计算出的中子、质子均方根半径之差与实验的比较发现，实验提取的正常核的均方根半径之差与小液滴模型计算基本一致；

Comparison of the difference between the neutron and proton RMS radii , RMS , calculated from the neutron skin thickness of the droplet model was made with the data obtained from the experimental total nuclear reaction cross section .

本文根据干涉原理.全面讨论分析等厚干涉－牛顿环测透镜的曲率半径环数差的选择对测量结果的影响。

Based on the interference principle , this paper makes a comprehensive investigation into equal thickness experiment for an analysis of the influence of difference in ring number selection of Newton 's ring upon measurement of the radius of curvature for lens .

孔喉半径小、分选差、连通性差、渗流能力弱是砂体储层孔喉结构的基本特征。

The reservoir pore throat structure characterized by mini pore throat , poor sorting , poor connectedness and poor infiltrating ability .

研究结果表明，电子透射几率随内环半径以及内外环半径差的改变均做周期性振荡。

We found that the transmission of electron oscillates periodically with changing the radius of inner ring r_2 or the difference of radiuses of inner and outer rings r_1-r_2 .