So that influences of both biaxial tensile strain and compressive strain on energy band of Si and SiGe will be studied in this thesis .

基于此目的，本文主要了研究双轴 张应变以及双轴压应变对Si与SiGe能带结构的影响。

The upshift of valence band edge and the downshift of conduction band edge under tensile strain are responsible for that .

这是因为外加 伸展 应 力使得矽的价电带往上移动以及导电带向下移动造成。

Results indicate that the flexure tensile strain decreases as asphalt course thickness and base modulus in-crease .

结果表明，增加沥青混凝土层厚度和增大基层模量能减小层底弯 拉 应变，有利于获得更长的结构疲劳寿命。

There is a fracture process zone near the crack tip for the tensile strain softening materials .

在 应变软化材料的主裂缝尖端存在一断裂过渡区。

And the limit tensile strain increases with the initial water content .

试样 破坏时的极限 拉 应变随初始含水量的增大而 变大。

Measurement and application of tensile strain hardening exponent n - values

应变硬化指数n值的测定和应用

The growing characteristic of cavities in Al-Li alloy during the superplastic plane strain and double axis tensile strain is investigated and compared . The experimental results show that the speed of cavity growing during plane strain are higher than that during double axis tensile strain .

本文研究和比较了Al－Li合金超塑平面应变和双轴 拉伸 应变中空洞生长的特点及空洞受到抑制的程度.实验表明，平面应变中空洞生长的速度明显高于双轴拉伸应变；

The transverse stress increases with the increase of tensile strain .

在 塑性 变形阶段， 试样宽度方向应力的 绝对 值随 拉伸 应变的增大而增大；

Metallic sheets & Tensile strain hardening exponents ( n-values ) test method

GB/T5028-1985金属薄板 拉伸 应变硬化指数（斜值）试验方法

On the basis of test data this paper gives the probability distributions of the limit tensile strain of large full graded samples and small wet screened ones .

提出了激光 陀螺量化过程的概率分布模型，在此基础上，分析了量化过程对激光陀螺 性能的影响，并给出了量化前后陀螺数据均值和方差之间的关系。

The tensile strain of the intermediate liner may cause tension cracks in the compacted clay liner .

中间衬垫系统的 拉伸 应变可能导致压实黏土层发生破坏。

Taking the maximum tensile strain of the liner system as the control parameter the design method of the liner system resisting the local subsidence was given for the engineering application .

建立了其 受 力 变形分析 模型，并以衬垫系统的最大 拉 应变作为控制标准，建立了工程上衬垫系统的抗沉陷设计方法。

Concrete is a kind of brittle material its tensile strength and tensile strain are lower in the engineering tensile or shear need steel and concrete to stand together in this case the fiber reinforced concrete came into being .

混凝土是一种脆性材料，其抗拉强度和 抗拉 应变都较低，在实际工程应用中，往往采用钢筋和混凝土共同作用来承受构件中的拉力或剪力，在这种情况下，纤维混凝土应运而生。

The mechanical behavior of tensile strain of ZnAl_ ( 5-0.03 ) superplastic alloy is studied in this paper .

本文研究ZnAl5-0.03合金超塑性 拉伸 变形的力学行为。

The plastic fiber selected has different ultimate tensile strain and elastic modulus and the fiber can be carbon fiber aramid fiber glass fiber and the like .

选用的塑料纤维应具有不同的极限 拉 应变和弹性模量，纤维可以为碳纤维、芳纶纤维、玻璃纤维等。

Study of ultimate tensile strain of high strength and high performance concrete

高强高性能混凝土极限 拉 应 变性能研究

Application of digital speckle correlation method to the study of indirect tensile strain of asphalt mixture

应用数字散斑技术的沥青混合料劈 裂 应变研究

According to the curve the spall strength the thickness of spall scab and the tensile strain rate under different condition were obtained .

根据所得曲线波形计算出相应条件下的层裂强度、层裂片厚度以及各自的 应变率，最后得到层裂强度 随 拉伸 应变率变化的关系曲线。

Results of the investigation indicated that adding PAN fibers into concrete leads to high air content improves tensile strain limit flexural toughness and fracture energy which are beneficial to strength development and durability improvement of concrete at low temperatures .

研究结果表明，掺入PAN纤维增加了混凝土的含气量，提高了混凝土的 抗拉极限 应变、抗弯韧性和断裂能，因而有利于混凝土低温环境下的强度增长和提高了混凝土的抗冻融耐久性。

The results show that the theoretical and experimental critical surfaces of the maximum tensile strain are very close .

结果表明，按最大 拉 应变理论所得到的理论临界曲面和试验临界曲面相当接近。

This shape allows only tensile strain .

这种形状使膜片只 允 承受 拉伸 压力。

The paper studies the effects of different ultimate tensile strain of concrete ratio of thickness of concrete to diameter of penstock the reinforcement in concrete and temperature load on the tensile strain of the concrete around the penstock .

本文研究了不同极限 拉 应变的混凝土材料、不同管顶混凝土厚度和管径的比值、不同钢材用量和温度荷载，对管周混凝土拉应变的影响。

The influence of tensile strain on mechanical properties of Ni films was studied by the previous theoretical models including elastic modulus yield strength hardness and the hardening exponent .

通过前面建立的反推法理论模型，研究了 拉伸 应变对镍薄膜力学性能的影响，主要包括弹性模量、屈服强度、硬度和硬化指数等。

The correlation between the compressive strength and axial tensile strength of RCC with placing joint and ultimate tensile strain of placing joint of RCC layers have been obtained . The Performance of Cold-formed Square Steel Columns Ultimate Axial Compressive Stress under Different Ratio of Radius to Thickness

通过试验研究给出有层面碾压混凝土抗压强度、面轴拉强度与层面极限 拉伸 值间相关关系。弯角半径不同对冷弯矩形钢管柱轴心受压极限强度的影响

Molecular dynamics simulation of the bicrystal copper nanowires under the uniaxial tensile strain : Temperature and grain boundary effect

温度对双晶铜纳米线 拉伸行为的分子动力学模拟研究

Tensile Strain Hardening Behavior of Fe-Mn-C TWIP Steels

Fe-Mn-C系TWIP钢的 拉伸 应变硬化行为研究

The relationship between the tensile stress and the tensile strain at the initial of a tension test has been experimentally determined and analyzed .

本文对 电流 变液的直流高压电场作用下，小应变范围内的 拉伸应力 应变过程进行了测试和分析。

The'peak'counting method considers just the peak tensile strain to be the equivalent strain cycle .

在'高峰'计数法认为公正的峰值 拉 应变是等效应变循环。

Effects of Cyclic Tensile Strain to the Transmutation of Chondrocytes Induced by IL-1 β

张应变对IL-β致软骨细胞变化的拮抗作用研究