The strengthening behavior of glass possessing permanent stress during ion exchange has been discussed.
本文讨论了具有淬冷应力的玻璃样品在离子交换过程中的增强行为。
As this toughened internal stress is a kind of permanent stress, it can not produce the internal stress attenuation with elongation of the product service time.
由于这种钢化内应力是一种永久应力，随着产品运行时间的延伸，它不会产生内应力衰减现象。
Instead, declining grades only predicted worse stress hormones among students who believed that worsening grades were a permanent and hopeless state of affairs.
相反，对于那些认为成绩下降是一种永久的、无法挽回的状态的学生来说，成绩的下降只会预兆着他们应激激素的上升。
Studies have also found that consistently elevated levels of stress hormones, like cortisol, can lead to permanent damage in certain brain regions linked to depression.
研究还发现，不断提高的应激激素水平，如皮质醇，将导致大脑与抑郁症相关的部分区域的永久性损伤。
I believe they can prevent permanent damage caused by free radicals (oxidative stress) and increase the possibilities of a good recovery in the future.
我相信他们可以防止自由基氧化应激造成永久性的损害，恢复良好的可能性，并在未来增加。
When you realize that nothing in life is permanent and that the storm you're caught up in right now will eventually pass, you'll take a big step towards reducing stress.
当我们意识到生活中没有什么是永恒的，意识到那场目前困住你的”风暴“终究将过去，那么你就朝着减轻压力迈进了一大步。
Stress levels high, my face wore a permanent frown, my mind was in a million different places, and my two youngest kids (3 year old, and 20 months) were quiet in their car seats.
高压的生活，使我眉头紧锁，我的思维还飘忽在不同的地方，而我最小的两个孩子(1个3岁，1个20个月)安静的坐在座位上。
The orientations of polyurethanes resulted in a large number of the residual orientation , the stress softing and stress hysteresis , the permanent set , the higher modulus and strength of materials .
取向的结果，导致大量的硬段残留取向、应力软化、应力滞后和高变形，以及材料的高模量和高强度。
As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs.
当材料的形变超出弹性形变发生的范围，其应力将不再与应变成正比，永久的、不可回复的形变发生，即为塑性形变。
The cast of concrete at different end and the post-tensioning of continuous prestress make the negative bending moment section of the permanent support have different compressive stress reservation.
不同的连续端混凝土浇筑和后连续预应力张拉顺序会导致永久支座负弯矩区的压应力储备不同。
There is adverse spatial stress distribution at the end of the plug of diversion tunnel, which is to be transformed into permanent spillway tunnel.
由导流洞改建而成的永久泄洪洞，在堵头末端存在导流洞与泄洪洞交汇的不利情况。
A temporary change in shape caused by applied stress. The change in shape is not permanent and the initial shape is completely recovered once the stress is removed.
由外力引起的暂时性的形状改变。形状的改变不是永久的，一旦外力解除后，物体就会恢复成其原始形状。
The ratio of the magnitude of an applied shear stress to the velocity gradient that it produces; that is, a measure of a noncrystalline material's resistance to permanent deformation.
剪切应力数值与其产生应变速率的比值叫粘性，用来衡量非晶材料抵抗永久变形的能力。
The full process testing curves of stress strain for the granite of the TGP permanent lock present typical elastic brittle plastic properties.
长江三峡花岗岩测试表明，其应力应变全过程曲线呈现典型的弹脆塑性。
Metal flow takes place within the plastic range of the metal, so that the bend retains a permanent set after removal of the applied stress.
金属的流动发生在金属的塑性变形范围之内，因此在施加的外力去除之后弯曲保持永久的变形。
The absolute maximum ratings section (Figure 2) specifies the stress levels that, if exceeded, may cause permanent damage to the device.
绝对最大额定值部分(图2)规定了耐压等级，如否，就可能对器件造成永久性的损坏。
However, over time constant visual stress may lead to a permanent reduction in distance vision.
然而，经常性的视疲劳会造成永久性的远视力下降。
It displays elastic deformation and permanent plastic performance, depending upon the time of loading and temperature under constant stress.
在负荷作用下产生弹性变形，在长期负荷下发生蠕变。
It displays elastic deformation and permanent plastic performance, depending upon the time of loading and temperature under constant stress.
在负荷作用下产生弹性变形，在长期负荷下发生蠕变。
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