查询词典 compressive

The circum-Pacifictectonic system is the subduction zone of oceanic crust. The reverse faults illuminate the compressive stress state.

环太平洋构造系是大洋地壳的收敛地区，逆冲为主的地震破裂显示了该区域以挤压为主的应力状态。

Moreover, the hot compressive deformation behavior of the RS/PM AZ91 magnesium alloy and AZ91 alloy matrix composite were also investigated, the conclusions are drawn as follows:1. The processing parameters of the atomization-twin rolls quenching technology were optimized as follows: the diameter of the nozzle 1mm, the wheel velocity 25m/s, the pressure of atomization gas 0.3MPa and Ar gas for melt injection 0.1MPa. The RS AZ91 alloy flakes exhibited fine and uniform microstructures. When the flakes were extruded at 673K, extruded velocity of 0.1mm/min and extrusion ratio of 25:1,the magnesium alloy rods with clean surface, uniform dimension and excellent mechanical properties were obtained.2. The RS AZ91 magnesium alloy powders prepared by atomization-twin rolls quenched technology exhibited fine equiaxed grains with the grain size of 1-3μm, the phase constituent included supersaturate solid solution phaseα-Mg and miner fineβ-Mg_(17)Al_(12) phase. The as-extruded materials also exhibited equiaxed grains with the size of 5-7μm and a large number of fineβ-Al_(12)Mg_(17) and fewer AlMg_2Zn phases were detected in the alloy.

本文还研究了快速凝固/粉末冶金AZ91镁合金热压缩变形流变应力行为，快速凝固/粉末冶金法原位生成Mg_2Si增强AZ91镁基复合材料，经过系统的研究，获得如下结论：1、雾化-双辊急冷法在下列工艺参数组合下：双辊线速度25m/s；喷嘴直径1mm；熔体压射压力0.1MPa；雾化气体压力0.3MPa。，可获得宏观尺寸细小、微观组织均匀细小、综合性能优良的的快速凝固AZ91镁合金细碎箔带，快速凝固箔带在挤压温度为673K、挤压速度为0.1mm/min，挤压比为25：1时，可获得的外表光洁、尺寸均匀、组织性能优异的镁合金棒材。2、雾化-双辊急冷法制备的AZ91镁合金粉末态为细小等轴晶组织，晶粒尺寸1-3μm，组织为α-Mg过饱和固溶体和微量的细小β-Mg_(17)Al_(12)相组成；粉末挤压棒材为等轴晶组织，晶粒尺寸5-7μm，组织中含有大量细小的β-Al_(12)Mg_(17)以及AlMg_2Zn析出相，室温力学性能，抗拉强度383MPa，屈服强度275MPa，断后伸长率7.5%。

When the ratio of compressive modulus of superstratum and substratum is less than 3,academic diffused angles of natural subgrade with soft substratum under pressure in this paper are investigated.

对上下层土压缩模量比小于3的软弱下卧层的压力扩散角进行了研究，得出了扩散角理论值，可供相应工程参考。

Some quasi-static compressive experiments of polyurethane syntactic foam s with different density and different volume fraction of hollow glass micro-spheres are conducted.

针对几种不同密度、不同空心球填充比的聚氨酯复合泡沫塑料进行了准静态压缩实验，研究了这类材料的宏观力学性能。

The results show that the tangential stress distribution is decided by pressure gradient, that is, the maximum tensile stress locates where maximum pressure gradient is, while the compressive stress locates where pressure gradients change their direction.

结果显示，轴瓦周向应力分布取决于油膜压力的梯度，最大拉应力位于压力梯度最大处，而周向压应力的峰值则位于压力梯度方向改变处。

When the tangential residual stress exists, the stretching stress can enhance and the crushing stress can remarkably reduce the compressive strength.

因此，为了提高石油套管的抗压溃强度，应根据管体的受力状态，使石油套管的管体上产生最佳的残余应力值，提高石油套管的抗压溃强度，延长使用寿命。

This paper studied the relationships of uniaxial tensile and compressive stress with strain and bending properties of polymer-mortar.

本文采用美国产MTS试验机，分别研究了掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力-应变关系及抗弯性能。

In the eastern area, the tensile strain is very intensive, while the compressive strain is very weak.

东区存在非常强烈的张应变，压应变则很弱。

Thus , the tuning can be performed to obtain a shorter or a longer wavelength according to apply a compressive or a tensile strain.

因此，可以进行微调，以获得更短或更长的波长根据适用压缩或拉伸应变

When the annealing temperayure was 400℃, the stress of film was from tensile stress to compressive stress.

研究发现，在空气中退火温度到400℃时，薄膜的应力由拉应力转变为压应力，600℃时，ZnO薄膜的半峰款最窄。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。