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。
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性，提出“简化等效阻力线”的计算方法；
The post treatment can improve deformation and surface stress state, refine microstructure and increase hardness of cladding layer.
后热处理可改善变形和表面应力状态、细化组织、提高硬度。
The experimental results show that the high hardness white layer and plastically deformed zone are developed on the surface layer under high stress impact wear.
实验发现，高应力冲击磨损后，磨损试样表层形成高硬度的白层与变形层。
It is analyzed of the residual stress generating procedure in adhesive coating layer on the surface of port crane parts for the purpose of surface protection or repairing.
分析了用于港机部件表面保护和修复的涂层中通常存在的内应力的产生过程，认为它是导致涂层早期破坏的主要原因之一。
At the same moisture content level, the stress of surface layer of tangential timber was larger than that of radial timber.
同一含水率水平下，弦切板的表层应力比径切板的表层应力大。
Residual stress profile state and surface roughness are the two important parameters for evaluating machined surface layer quality.
残余应力分布状态及表面租糙度是评定加工表面层质量的两个重要参数。
The maximum values of shear stress are found in edge of the loaded area on the surface of the upper layer under resultant load.
最大剪应力发生在综合荷载作用下，上层表面荷载边缘处。
The sea surface wind stress and net heat flux in the PN section affect the seasonal variation of the barrier layer depth by changing the mixed layer depth every season.
海面风场和净热通量场通过改变混合层的深度影响障碍层深度的季节变化，而海面降水对于季节平均的障碍层分布和变化都没有显著的影响。
The calculation of micro-yield stress in surface layer and the stress-strain curves of surface layer deformation were studied.
本文对表面微观屈服应力的测量与计算方法及表面变形的应力应变曲线进行了分析研究。
It is believed that this calibration is suitable for X-ray stress constant measurement for various surface-reinforced elements, whose surface layer structure has changed radically.
这种应力常数标定方法适用于各种表层结构发生根本变化的表面强化件的X -射线应力常数测定。
This kind of nanostructured surface layer with compressive stress could significantly increase the fatigue strength of butt welded joint.
这种压应力纳米强化层可以明显地提高对接接头的疲劳性能。
The results show that the stress in ceramic layer is mainly for lateral compressive one, and its maximal stress occurs in the place that is at the distance of 1/3 thickness from coating surface;
结果表明，陶瓷层内的残余应力主要表现为横向压缩应力，且最大值位于距陶瓷层表面1/3厚度处；
The carrying handle has simple structure, reliable locating and reasonable stress distribution, and is suitable for use in relatively large and heavy box and with surface decoration layer.
本发明所提供的搬运把手结构简单、定位可靠、受力点分布合理，适用于体积、重量较大且具有表面装饰层的箱体。
We report the simple measurement of surface layer stress of strengthened glasses by means of leakage waveguide method.
本文报道利用漏波导方法测量钢化玻璃的表层应力。
The existence of the compressive stress in the surface layer is the main reason for the strengthening of ceramics.
表层压应力的存在是瓷体增强的一个主要原因。
The big area of swelling floor surface and plastering floor result from the destruction of shearing stress from the adhesive layer.
楼地面、抹灰面大面积隆起是由粘结层剪力破坏而致。
The plasticity and flow stress increase with grain size growth, because the volume ratio of grains on surface layer increases.
随晶粒度的增大，材料的塑性和流动应力都发生了降低，这是由于表层晶粒所占份额增加。
That method was used for calculating the residual stress of laser cladding layer of the hermetic surface of valves. There is good agreement between our results and the others quoted from literature.
对气门密封面激光熔覆钴基合金层的计算结果显示，显微压入硬度法得到的残余应力分布数据与其它方法测得的激光熔覆层残余应力分布数据具有相同的变化趋势。
Effective surface layer stress was introduced by birefringence of the fundamental mode, and corresponding apparatus of measurement was fabricated.
通过基模的双折射引入有效表层应力，并制作出相应的测量装置。
The results are as follows, the density of the specimen near implanted surface layer increases with dose, horizontal stress takes effect on surface layer.
结果表明：在注入近表面层，样品密度随剂量而增加； 表面受到横向张应力的作用。
The sea surface wind stress and net heat flux affect the seasonal variation of water mass character in the PN section by changing the mixed layer depth every season.
海面风场和净热通量场通过改变混合层的深度影响障碍层深度的季节变化，而海面降水对于季节平均的障碍层分布和变化都没有显著的影响。
The sea surface wind stress and net heat flux affect the seasonal variation of water mass character in the PN section by changing the mixed layer depth every season.
海面风场和净热通量场通过改变混合层的深度影响障碍层深度的季节变化，而海面降水对于季节平均的障碍层分布和变化都没有显著的影响。
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