1) Stress index method
应力指数法
1.
Stress index method and fatigue strength weakened coefficient method are important methods for designing fatigue vessel.
应力指数法和疲劳强度减弱系数法是进行疲劳容器设计的重要方法。
2.
The train of thought and key points of the stress index method are described for the principal stress and ultimate stress design of arch dams.
阐述用应力指数法实现拱坝主应力满应力设计的思路和方法要点 ,介绍等截面圆弧拱坝及变截面抛物线拱坝两种算例成果 。
2) stress exponent
应力指数
1.
A novel high temperature creep strain equipment was used to test stress exponent and creep activation energy of single shear lap creep specimens of SnCu eutectic soldered joints with a 1 mm2 cross-sectional area.
以搭接面积为1 mm2微型单搭接钎焊接头为研究对象,采用新型高温蠕变测试装置,测定了SnCu钎焊接头应力指数n和蠕变激活能Q,构建了稳态蠕变本构方程,探讨了蠕变变形机制。
2.
The creep behavior of single crystal PdSi and Cr thin film on Nickel substrate prepared by magnetron sputtering were studied using the depth-sensing indentation method at room temperature,the stress exponents and the corresponding creep mechanism were also analyzed.
采用深度敏感纳米压痕方法对单晶PdSi合金和金属Ni基体上沉积Cr膜进行了室温压痕蠕变研究,分析蠕变应力指数和蠕变机制。
3.
The stress exponents and the corresponding creep mechanism were also analyzed.
阐述压痕蠕变的研究进展及其测试原理,并且采用纳米压痕仪对Ta,N i和N i基高温合金三种金属体材料、BaTiO3陶瓷和Ag/Co多层薄膜进行蠕变实验,分析蠕变应力指数和相应的蠕变机制。
3) heat-stress index
热应力指数
4) stress index of tetrahedron
四面体应力指数
5) stress singularities
奇性应力指数
1.
Some illustrative examples of anisotropic multi-material wedges are given in which the stress singularities and the angular variations of singular displacement and stress fields surrounding the tips of wedges and junctions are solved.
运用该方法给出了求解正交各向异性复合材料尖劈端部附近奇性应力指数、奇性位移和应力角分布函数的算例。
2.
s: In this paper a new non-confirming finite element eigenanalysis method based on displacement is developed to solve the stress singularities surrounding a wedge tip.
提出了一个新的、基于位移的、求解三维尖劈端部奇性应力指数问题的非协调元特征分析法。
3.
In this paper a finite element eigen-analysis method is applied to solve the stress singularities,also is used to calculat the angular dependences of the stress and displacement fields near crack tip of anisotropic material under in-plane loading.
利用有限元特征分析法研究了平面各向异性材料裂纹端部的奇性应力指数以及应力场和位移场的角分布函数,以此构造了一个新的裂纹尖端单元。
6) stress corrosion exponent
应力腐蚀指数
1.
It was discovered that the fracture strength decreases with the increase of σ at a highstress rate, and that the stress corrosion exponent n decreases also with the temperature increasing.
同时应力腐蚀指数n随温度的升高而下降。
补充资料：迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
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