1) intrinsic size effect
本征尺寸效应
2) size effects
尺寸效应
1.
The results show that the tension properties of silicon nano-rods are similar to that of macroscopic brittle material:there are no linear elastic stages and ductile yield stages; The influence of size effects is observed: The Young’s modulus and tensile strength for silicon nano-rods found increa.
采用Stillinger-Weber(SW)势函数描述硅纳米杆中硅原子间的相互作用,通过分子动力学方法对几种硅纳米杆进行轴向拉伸研究,发现硅纳米杆拉伸时表现出来的特性与宏观脆性材料基本一致:拉伸曲线没有明显的直线部分和屈服变形部分;进一步研究发现硅纳米杆的杨氏模量和强度极限随着尺寸增大而增大,尺寸效应随尺寸增大而逐渐减弱。
2.
Experimental results show that there is an obvious small size effects of nano-cnystalline.
实验结果表明纳米晶粒子存在明显的小尺寸效应。
3.
However,the size effects of test values are to be solved.
测试结果表明:前者比后者在防止过载,避免裂纹扩展偏斜,考虑非线性修正等方面有若干优点,但测试值的尺寸效应尚有待解决。
3) size effect
尺寸效应
1.
Modification of size effect formula of fracture toughness of concrete for three-point bending specimens;
三点弯曲试件混凝土K_(IC)尺寸效应公式的修正
2.
Study on size effect of melting temperature of Pb nanowires;
铅纳米线熔化温度的尺寸效应研究
3.
Hardness indentation size effect of KDP crystals for ultra-precision machining surface;
KDP晶体超精密加工表面硬度压痕尺寸效应研究
4) scale effect
尺寸效应
1.
Study of scale effect of large-scale triaxial test of coarse-grained meterials;
粗粒料大型三轴试验的尺寸效应研究
2.
On the basis of the essential characteristics of scale effect after specimens were miniaturized, the friction problems of material processing, the scale effect of material flow, the precision of specimen size and the selection of processing equipments and so on were discussed.
以微成形试件微小化后尺寸效应的本质特征为基础,讨论了材料成形过程中的摩擦、材料流动规律的尺寸效应、试件的精度和成形设备的选择等问题,并进一步指出了微成形技术的发展方向。
3.
Based on the precise measurement of the surface topography of an artificial granite joint by employing a 3-D photogram metric instrument,a series of rock joints with different sizes were extracted from the artificial granite joint and the value of their fractal description parameters was calculated for the purpose of research on the scale effect on 3-D surface topography of the rock joint.
采用人工张裂法制备了花岗岩结构面,在精确测试其三维表面形貌的基础上,从中选取一系列不同尺寸的结构面并分别计算其三维表面形貌的定量描述参数值,以研究岩体结构面三维表面形貌的尺寸效应。
5) dimensional effect
尺寸效应
1.
By contrasting the representative rock burst′s characters of a certain hydroelectric power station′s exploration drift and traffic-tunnel,it indicates that rock burst should be enhanced with enlarging the chamber′s dimension on the similar basic geological conditions,that′s to say rock burst has dimensional effect.
统计某水电站探洞和交通洞现场典型岩爆特征表明,在基本地质条件相似的情况下,岩爆具有随洞室尺寸的增大而增强的趋势,即岩爆具有尺寸效应。
2.
The influence of the volume fraction for steel fiber and types of steel fiber and the pretreatment ways of recycled coarse aggregate and dimensional effect on compressive strength of steel fiber recycled concrete were explored.
试验结果表明:钢纤维再生混凝土抗压强度略低于钢纤维天然混凝土,钢纤维的加入可以在一定程度上提高再生混凝土的抗压强度,钢纤维再生混凝土立方体抗压强度的尺寸效应系数与钢纤维天然混凝土差别不明显。
3.
The dimensional effect(the pile distance and the width of excavation are the main points of this pa- per) is an important factor for the double-row piles retaining structure.
在双排桩支护结构中,尺寸效应(文中主要考虑桩距和开挖宽度)是一个需要考虑的重要因素。
6) dimension effect
尺寸效应
1.
The dimension effects on resistivity of fine grain BaTiO_3 ceramics;
细晶粒BaTiO_3陶瓷电阻率的尺寸效应
2.
The dimension effects on hysteresis loops of fine grain BaTiO_3 ceramics;
尺寸效应对细晶粒BaTiO_3陶瓷电滞现象的影响
3.
Functional analysis on dimension effect of micro-electromechanical system;
微电子机械系统尺寸效应的泛函分析
补充资料：本征函数和本征值
算符弲作用于函数f(r)上, 得出另一个函数。若算符弲作用于一些特定的函数Ui(r)上(i=1，2，...)结果等于一常量乘同一函数，即,
则常数Fi称为算符弲的本征值,ui(V)称为属于这个本征值的本征函数。上式称为算符弲的本征值方程。
在量子力学中，一个力学量所可能取的数值，就是它的算符的全部本征值。本征函数所描写的状态称为这个算符的本征态。在自己的本征态中，这个力学量取确定值，即这个本征态所属的本征值。
则常数Fi称为算符弲的本征值,ui(V)称为属于这个本征值的本征函数。上式称为算符弲的本征值方程。
在量子力学中，一个力学量所可能取的数值，就是它的算符的全部本征值。本征函数所描写的状态称为这个算符的本征态。在自己的本征态中，这个力学量取确定值，即这个本征态所属的本征值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条