"Maybe the reason why free radicals and aging are correlated is because free radical production in the mitochondria (part of the cell) is a stress reaction to the damage of aging," Hekimi said.
海克米说：“人们之所以把自由基和衰老联系在一起，可能是因为自由基在线粒体(细胞的一部分)中产生是人体对衰老的应激反应。”
If the stress of aging or disease increases sufficiently, he said, the damage caused by the free radicals might overwhelm their positive effects.
如果衰老或疾病过程中的应激大幅增加的话，自由基的破坏作用可能就会大于其积极作用。
To simulate aging, the same bees were then placed in plastic tubes and exposed to a high-oxygen environment, a metabolic stress test.
为模拟老化，把条件相同的蜜蜂放在塑胶管中，暴露于高氧环境进行代谢性应激试验。
Now research in honeybees offers evidence that learning ability is indeed linked with a general capacity to withstand one of the rigors of aging-namely, oxidative stress.
目前，有关蜜蜂的研究表明，学习能力确实是承受老龄化严峻考验——氧化应激的综合能力之一。
It also helps increase energy and resistance to the potentially harmful effects of stress and aging.
它还有助于提高能源和抵抗的潜在有害影响的压力和老龄化。
AGING: the process of running product through low temperature air draw furnaces for the purpose of relieving stress which was caused in the hardening operation.
时效处理：指让产品通过低温通风炉以释放淬火造成的应力的工艺。
By adjusting the starch milk concentration, temperature and drum speed to adjust the product capability of resistance to shear stress, the drying process of aging and viscosity.
通过调节淀乳浓度、滚筒温度及转速来调整产品承受剪切力的能力、干燥过程中的老化及粘度等性能。
Sun, stress and pollutants can generate free radicals that can damage skin and cause premature signs of aging.
阳光，噪音和环境污染，会导致会造成皮肤损失老化的自由基的生成。
The fortification of the mitochondria in response to the stress of a much lower-calorie diet can help ward off diseases associated with aging.
强化线粒体对低卡路里饮食的应激反应可以辅助机体对抗与衰老相关的疾病。
One main catalyst of aging is excessive stress.
一个主要催化剂老化是过分的应力。
It also contains a good amount of antioxidants, vitamin D and vitamin B12 that fight stress and aids in anti-aging.
它还富含抗氧化剂，维生素D和维生素B12这些对抗压力和帮助抗衰老的物质。
The kinetic curves properties response aging time and temperature were obtained with the coefficient of compression stress relaxation as index of aging property change.
用压缩应力松弛系数作为老化性能变化指标，得出了性能随老化时间和温度变化的动力学曲线。
Experimental results show that stepped aging process not only enhances mechanical properties but also improves resistance against stress corrosion of the alloy.
试验结果表明，分级时效工艺在提高合金机械性能的同时，还能使合金抗应力腐蚀性能得到明显改善。
The stress relaxation of 8 types of vulcanizates during the atmospheric aging test has been evaluated.
对8种不同类型的硫化橡胶在大气老化试验时的应力松弛变化进行了探讨。
However, stepped aging, which relaxes internal macro-stress under lower temperature then ages under higher temperature, can avoid longitudinal cracks effectively.
分级时效处理，低温下先让合金内部的宏观应力松弛，再在较高温度下时效，可有效地避免棒材纵向开裂。
With calculating property index of compression set and stress relaxation, it obtains a calculation formulation that property changes along with aging time at the special temperature.
对压缩永久变形和压缩应力松弛性能指标进行经验直线化外推估算，得出特定温度下的性能随老化时间变化的动力学经验估算方程。
These people have found that certain factors, such as diet, weight, exercise, exposure to sunlight, stress, and bad habits can have an important effect on the aging process.
这些人发现某些特定的原因，如节食，体重，运动，暴晒于阳光之下，压力，不良嗜好等都能对老化的过程产生巨大影响。
At present, temper aging and vibration aging (VSR) are commonly applied to remove residual stress in welded frames in factories.
目前，工厂中一般采用回火时效和振动时效法(VSR)对焊接构架中的残余应力进行消除。
And healthy aging is a good bet if stress can be moderated along with adopting an active, healthy lifestyle.
如果能将压力调整成一个有活力，健康的生活习惯，你将是一个健康衰老的赢家。
Conclusions rat aging might be related with the alteration of oxidative stress status, energy production and protein metabolism.
结论小鼠衰老可能与机体氧化应激状态、能量产生和蛋白质代谢等的改变有关。
Conclusion: Proper swim stress may delay aging process by improving the aging mice 'behavior and immune function.
结论：适宜游泳应激可改善衰老小鼠行为表现和免疫功能以延缓衰老进程。
Aiming at the test results of different test methods, aging phenomena and difference of the coating under different stress were analyzed.
针对不同试验方法的试验结果进行对比分析，探讨涂层材料在不同应力条件下的老化现象及其差异性。
Anger stress; Brain aging; Animal model; Behavioral evaluation.
愤怒应激；脑老化；动物模型；行为学。
The effect of different deformation-aging treatments on the stress corrosion cracking of LY12 aluminum alloy was studied.
本文研究了不同的形变时效处理对LY 12铝合金应力腐蚀开裂性能的影响。
You work hard to look young, but no matter what you do, your eyes show the telltale signs of aging, stress, and fatigue.
你努力地使自己看起来年轻，但不管怎么做，你的眼睛还是出现明显的衰老、紧张和疲惫的迹象。
You work hard to look young, but no matter what you do, your eyes show the telltale signs of aging, stress, and fatigue.
你努力地使自己看起来年轻，但不管怎么做，你的眼睛还是出现明显的衰老、紧张和疲惫的迹象。
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