These larger ions take up more room and are pressed together when the glass cools, producing a layer of compressive stress on the surface of the glass.
这些钾离子占据更大的空间，当玻璃冷却下来的时候，钾离子便挤压在一起，从而在玻璃表面生产一层压应力层。
Stress fractures, or tiny cracks in the surface of a bone, are serious running injuries that requires immediate treatment.
应力性骨折，或者在骨头表面上的微小裂缝，是严重的跑步受伤，并且需要立即治疗。
When this stress is released quickly, it sends massive vibrations, called seismic waves, often hundreds of miles through the rock and up to the surface.
当地震发生的时候，地震波会通过岩石从数百里外传达到地表引起振动。
In the color mapping, localized elevation of blood pressure and shear stress could be observed on each plaque surface.
在彩色地图中，在每个斑块的表面都可观察到血压和切应力的局部升高。
The effect of some lapping parameters, such as: abrasives size, lapping pressure and lapping speed, on the residual stress at surface of work-pieces was discussed.
探讨了固着磨料研磨中磨料尺寸、研磨压力和研磨速度等研磨参数对工件已加工表面残余应力的影响规律。
Mesh and pads are made of hexagonal wire mesh surface with high strength and flexibility, can accept or absorbed by soil and water stress occurred.
格宾网和护垫是用具有高强度和柔韧性的六边形钢丝网面制成，可大大接受或吸收由土壤和流水发生的力。
It is shown that the irregularity of the joint surface apparently affects the stress wave transmission.
研究结果表明：节理面不规则结构明显地影响应力波的传播性质。
The research on the relation of surface residual stress and alloy performance has theoretical significance.
研究硬质合金表面残余应力与合金性能之间的关系有一定的理论意义。
The image force acting on the piezoelectric screw dislocation and the generalized stress on the surface of rigid line are calculated.
导出了作用在位错上的像力和刚性线夹杂表面剪应力和电位移的解析表达式。
In the case of the limited level density of the material surface energy, the fracture stress and the calculation formula of the engineering damage were studied.
本文研究考虑损伤时材料的断裂应力，推导出了在表面能密度有限的情况下，损伤断裂应力的计算公式。
Further study of the calculation basis of curvature coefficient for calculating the surface durability stress are made.
对齿轮齿面接触应力计算中曲率系数的计算依据作了进一步的研究。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
在磨削加工过程中产生表面残余应力，其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
In this paper, an electric device is proposed to measure contact stress on the sealing surface of sealing elements.
介绍了西北工业大学研制的密封面接触应力的电测装置。
The maximum cutting stress lie of the radial distance of 0.5 double diameter nozzle, while the maximum pull stress lie in the surface edge of the rock.
岩石破坏时最大剪应力位于0.5倍喷嘴直径的径向距离处，同时在固体介质表面边缘产生最大拉应力。
In this paper, the influence of diamond tool sharpness on machined surface quality was studied from the viewpoints of the cutting force, surface roughness and residual stress.
本文从切削力、表面粗糙度、表面残余应力几个方面，研究了金刚石刀具刃口修锐度对切削表面质量的影响。
Particle penetrating direction has influences on the magnitude of surface deformation, contact pressure and stress, and the distribution forms of contact pressure and stress.
磨粒侵入方向不仅影响材料表面变形、表面接触压力和表层应力的大小，而且会引起压力和应力分布形状的改变。
It may be used effectively in deburring, reducing the value of surface roughness, chamfering. improving conditions of surface residual stress and surface hardness and reducing greatly microdefects.
它的使用可以有效地去除毛刺，降低表面粗糙度值，棱边倒圆，改善表面残余应力状况，提高表面硬度，大幅度减少微观缺陷。
Objective:To investigate the influence of occlusal surface morphology on stress distribution in the base of maxillary complete dentures(MCD).
目的：探讨异常牙合面形态对上颌全口义齿基托应力分布状况的影响。
Investigation was made of effect of preplastic deformation for unexplosive and explosive treatments on strength, surface residual stress and hydrogen embrittlement of the specimens.
研究了预塑变对爆轰处理和未爆轰处理样品的强度、表面残留应力、氢脆敏感性及其关系的影响。
Objective: Stress levels of the surface of alveolar bone around bridge abutment of posterior fixed bridge were studied.
目的：研究下颌后牙固定桥基牙周围牙槽骨表面的应力状态。
In order to strengthen anti fatigue of cold worked hole, it is necessary to control the magnitude and distribution of the surface residual stress and strain.
为了使冷挤压孔真正起到抗疲劳增寿效果，有效控制孔表面残余应力大小及其分布是至关重要的。
The result shows that the two rotor models do not have great difference in the stress of outer surface, but have great difference in the stress of central position.
计算结果表明，两个转子模型的外表面应力差异不大，但中心部位的应力相差较大。
When analyzing structures with joints or cracks, state changing of these interfaces will affect stress and displacement of contact surface.
对这些有缝结构进行计算分析时，接缝及裂缝状态的变化会使得接触界面的范围和界面上的应力和位移不断发生变化。
The influences of carburizing heat treatment process and grinding process on surface residual stress of automobile gears are studied.
研究了渗碳热处理过程中淬火冷却和回火状况以及磨削加工对渗碳淬火汽车齿轮表面残余应力的影响。
Furthermore, the influence of the residual stress to the surface strain of the material in the elastic zone is studied.
进而探讨了残余应力对弹性区材料表面应变释放的影响。
A function of distance between initial stress strain point and point at state boundary surface is adopted to simulate stress strain behaviour of soil in condition of small strain.
采用从初始应力点到状态边界面的距离为参数的系数来修正硬化准则以模拟土体小应变条件下的应力应变特征。
A function of distance between initial stress strain point and point at state boundary surface is adopted to simulate stress strain behaviour of soil in condition of small strain.
采用从初始应力点到状态边界面的距离为参数的系数来修正硬化准则以模拟土体小应变条件下的应力应变特征。
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