ageing

They were both only 20 years of age.

他们两人都只有20岁。

How much faith should we put in anti-ageing products?

我们对抗衰老产品应该抱有多少信心？

So inspection and monitoring work should be strengthened on the concrete dam ageing, meanwhile, the measures should be taken to prevent from ageing in order to make it being long used.

须加强混凝土坝老化性状的检查监测，并及时采取防止或延缓老化的措施，以保证混凝土坝长葆青春。

The application test of the master batch indicates that it can provide good anti-ageing property and may entirely meet the various anti-ageing needs of high tenacity pylen filament yarn.

应用实验表明：该母料防老化性能好，可完全满足丙纶强力丝多方面防老化应用需要。

The paper introduces the process of exhausting and ageing of 126 kV vacuum interrupter, and describes the exhausting and ageing methods of the vacuum interrupter and the application of absorbing agent and titanium pump.

介绍了126kV真空灭弧室的排气和老炼的研究过程，并阐述了烘烤排气和老炼去气的方法以及吸气剂与钛泵的应用。

The dynamic property of NR vulcanizates after thermal ageing increased , while decreased slightly after anaerobic ageing.

热空气老化使NR硫化胶的动态性能改善, 而真空老化后硫化胶动态性能略有下降.

The mechanism of artificial ageing are paper ageing and color ageing.

文件人为老化的机理有纸张老化机理和色料老化机理。

The effect of vulcanization time and vulcanization systems on thermal ageing property of the clay-rubber masterbatch were investigated by air oven ageing test and thermal analysis.

用热空气老化试验和热分析法讨论了硫化时间和硫化体系对粘土胶热氧老化性能的影响。

Pycnogenol? defies the accelerated ageing of the skin due to exposure to sunlight ( photo-ageing ).

碧萝 芷? 制由于阳光直射造成的皮肤衰老.

A new format would alienate its ageing readership without attracting young readers.

新的版式会疏远上了年纪的读者群，并且也不会吸引年轻读者。

It is not known how unrepaired DNA damage accelerates ageing or its relevance to natural ageing.

现在还不清楚未修复DNA损伤是如何加速老化或其与自然老化关联性.

Moreover , after extruding the alloys can improve their plasticity if artificial ageing is processed.

挤压后直接人工时效,可有效地提高合金的塑性.

It occurs in elderly men, apparently as part of the ageing process.

这种情况出现在老年人当中，显然是衰老过程的一部分。

Through the treatment of artificial ageing for sample of 82B wire rods, the post-treatment change of fracture form from the original is analysed by comparison. The internal rule of change of artificial ageing is expounded.

通过对82B盘条试样进行人工时效处理，对比分析了人工时效处理前后盘条拉伸试样断口形态的变化情况，找出了82B盘条经人工时效处理后拉伸试样断口形态变化的内在规律。

At present ageing and out of repair are the main reasons that the normal benefits could not be made. One of the basic jobs for solving this problem is to set up ageing engineering works index evaluation system.

水利工程老化、失修是当前工程不能发挥正常效益的主要原因，建立工程老化指标评价体系是解决该问题的基础工作之一。

The yield strength is reduced by 10~ 20 MPa after natural ageing and it can be simulated by artificial ageing ( 100 ℃× 2h or 200 ℃× 1h).

自然时效后屈服强度下降10～20MPa，用人工时效可以模拟自然时效，工艺是100℃×2h或200℃×1h。

Treated in the artificial ageing condition of 100% relative humility and 40 ℃ for 5 days, the ageing degree is equal to that during one summer natural temperature ageing condition.

在100%的相对湿度、40℃的人工老化条件下处理5d左右，对种子的老化程度与一次自然室温越夏的老化程度大致相当。

Light ageing properties of poly ( vinyl chloride)( PVC) by the carboxylic ester rare earth salt and the organotin have been compared by artificial ageing test.

用人工老化的方法比较了羧酸酯稀土和有机锡对聚氯乙烯（PVC）的光老化稳定作用。

'Do you worry about ageing?' — 'Not in the slightest.'

“你担心变老吗？”——“一点也不。”

The influence of thermal ageing on the crosslink density, relative number of crosslinking bonds ( RNB) and percent gel are studied by high temperature accelerated ageing tests.

本文用高温加速的方法研究热氧老化对丁羟基复合固体推进剂交联度、相对交联度和凝胶百分数的影响。

According to the theorem of heat-oxygen ageing, thermal life evaluation parameters and test method is chosen reasonably. The performance of thermal ageing of ethylene-propylene rubber insulation for production is evaluated practically.

根据热氧老化原理，合理地选择了热寿命评定参数和实验方法，实际的评定了产品应用的乙丙橡皮绝缘的热老化性能。

Too much protein in the diet may advance the ageing process.

饮食中摄入过量蛋白质可能会加速衰老。

The thermal ageing time has significant influence on strength and plasticity at room-temperature and tensile strength at high temperature of domestic steel, and so is long thermal ageing time on tensile strength at room-temperature and strength and plasticity at high temperature of French steel.

热老化时间对国产钢管的室温强塑性及高温抗拉强度有显著性影响，长时间热老化对法国钢管室温拉伸强度及高温强塑性的影响显著。

One heavy storm can cause ageing urban sewerage systems to overflow.

一场大暴雨就使城市下水道脏水外溢.

Ageing to me is not being able to do what you used to do.

对于我来说变老就是不能再做以前的事

It's been an age since we've seen them.

我们有很长一段时间没有见到他们了。

A sort of light ageing experiment method is introduced which uses flash lamp to exposure silks. Through light ageing experiment for six kinds of silk cloth, aging effect of flashlight for white silks and dyeing silks by vegetable dyes is studied.

介绍使用闪光灯进行丝绸光老化实验的方法，通过对6种丝绸样品的光老化实验，研究闪光灯光照对白色丝绸及植物染料染色的丝绸产生的老化作用。

The changes of the structure, physical and mechanical properties of POMs containing ZnO or carbon black under UV irradiation, thermal ageing and hot water ageing were studied.

采用炭黑和纳米级氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性，对比了改性前后聚甲醛耐紫外光、耐热氧及耐热水老化性能的变化。

The kinetics in the artificial ageing process of 7050 aluminium alloy after the alloy being solution treated was studied systematically. The phase transformation mechanism during the process of ageing was investigated preliminary by transmission electron microscope ( TEM) and differential thermal analysis ( DTA).

系统地研究了7050铝合金经固溶处理后，在人工时效过程中的动力学特征，结合透射电子显微镜，差热分析仪对时效规律及时效过程中的相变机制进行了初步探讨。

Relationship between Natural Ageing and Artificial Ageing of Graphic Arts Films

印刷胶片的自然老化与人工老化的关系