The 0-1 quadratic programming method for the single group train formation plan on railway network

If you get the intercity it's about an hour quicker than the normal train.

如果你乘坐城际直达列车，比普通列车要快1个小时左右。

The results showed: The maximum compressive and tensile stresses were located at the cervical bone around dental implant in two unit and four unit dental implants.

结果表明：最大压应力、最大拉应力二单位式与四单位式均位于颈周密质骨，二单位式大于四单位式，两者有显著差异性，（P＜0.001）。

The critical value of blank width ratio when the transverse tense stress turns to compressive stress under given reduction ratio and tool width ratio is obtained too.

在不同砧宽比条件下，都存在着使横向应力由拉应力转变为压应力的临界料宽比（b/h）cr。

The variation of tensile stress in the surface for a typical steel bridge deck surface system is analyzed by means of SAP.

针对典型的钢桥桥面铺装体系，采用SAP有限元软件，分析了铺装层内的拉应力的变化规律。

The maximum triaxial constraint and the tensile stress continue to rise with either increasing load or decreasing pure Al thickness.

裂尖三轴应力约束及最大拉应力水平随载荷增加或纯铝层厚度降低而升高，且均随归一化J积分增加沿一特定的路径变化。

Secondly, using the engineering analysis software ANSYS, stress intensity factor of the wing beam integrated structure are analyzed.

其次，本文利用ANSYS有限元工程分析软件，对整体翼梁结构进行了应力强度因子分析，分别讨论了裂纹按照直线、试验真实轨迹、最大拉应力理论预测轨迹前进的应力强度因子分析；

It has been shown that the results of mechanical stress are in agreement with that of the JET toroidal field coils, the shearing stress is small along conductor, approximate to pure tension coil.

计算结果表明，拉应力结果与JET环向场D形线圈的结果一致，沿导体的剪应力很小，近似为纯张力线圈。

Study of effects of tensile stress of 140 MPa on isothermal bainitic transformation product was conducted in this paper using transmission electronic microscopy.

为揭示贝氏体相变机制及外加应力对它的影响，采用透射电镜研究了140MPa的外加拉应力对中碳低合金钢35MV7的450°C等温贝氏体相变组织形貌的影响。

? This paper studied the relationships between uniaxial tensile and compressive stress strain and the bending strength with 50% of cement replaced by micro slag.

本文采用美国产MTS试验机，研究了掺50%微矿粉混凝土的轴拉应力应变关系、轴压应力应变关系和抗弯强度。

For example, a ductile failure takes place for steel bars subjected to tensile and shear stresses, while brittle failure takes place for CFRP bars.

例如，对于钢筋来说，遭受拉应力和剪应力会发生延性破坏，而对于CFRP筋来说，则会发生脆性破坏。

When the temperature drops from 800 ℃ to 0 ℃ for TiC/ Al2O3/ TiN composite coating with cemented carbide substrate, there is tensile stress in TiN coating.

TiC/Al2O3/TiN复合涂层温度从800℃下降到0℃时，在TiN涂层内以拉应力为主，在硬质合金基体内以压应力为主。

The tensile stress of AFT was higher than that of normal tendon.

结果显示，植入前人工腱的拉应力高于正常肌腱，植入后第9周，自生腱的拉应力强度很弱，主要是靠未被降解的HHK人工腱组分来维持。

Tensile Residual Stress Field Around Notch Root Under Cyclic Compression

循环压缩载荷下缺口残余拉应力场的X射线分析

Changes are observed of oriented 3% Si-Fe in the magnetic domain structure and intensity of magnetic sound transmission under the influence of the transverse magnetic field and transverse drawing stress.

观察了晶粒取向3%Si－Fe在横向磁化场及横向拉应力作用下，磁畴结构和磁声发射强度的变化。

With finite element analytic software ANSYS, tensile stress and shear stress in post porcelain insulator of disconnect switch are analyzed, and maximal stress is obtained in dangerous area of insulator units.

利用ANSYS软件分析了在役隔离开关支柱瓷瓶承受的拉应力、剪应力情况，得到上下元件瓷体部分危险区域的最大应力值；

High compressive stresses develop in the whisker and on its surface, while the Al2O3 matrix is mainly subjected to the tensile stress perpendicular to the interface.

晶须内部及其表面存在较高的双向压应力，Al2O3基体主要承受垂直于界面的拉应力；

Only when the blank width ratio is confined, can no crosswise tension stress forging be realized, regardless of flat platen stretching or the new FM forging method.

无论是平砧拔长还是新FM锻造法，都要对料宽比加以控制，才能实现横向无拉应力锻造。

During design, 3D stress and deformation analysis is carried out on the powerhouse superstructure with the aid of finite element software ANSYS, and reinforcement calculation is conducted in terms of the principal tensile stress, resulting in reduced construction quantity.

在设计过程中，借助大型有限元软件ANSYS对厂房上部结构进行三维应力和位移分析，并按主拉应力对厂房上部结构进行了配筋计算，降低了工程量。

The relationships between tensile stress and strain of concrete with incorporated 0%, 5%, 10%, 15% metakaolin ( MK) were studied.

采用美国产MTS试验机，分别研究了掺0%，5%，10%，15%（质量分数）偏高岭土混凝土的轴拉应力应变关系。

The results of fatigue test on double-V notched specimens show that the fatigue crack growth rate increases after compressive overloading for the sake of producing the reversed residual tensile stresses in the root of the notch.

对对称双V型缺口试件的疲劳试验结果表明，压缩超载后，缺口试件的疲劳裂纹扩展速率增大，其原因是由于压缩超载后在缺口根部产生了反向残余拉应力。