物理老化发生时，碳酸氢根在血液中减少。
Physical aging occurs when bicarbonate in the blood decreases.
结果表明，除了自由体积之外，分子链柔顺性是影响物理老化速率的重要因素。
The results indicate that besides free volume, flexibility of the Wham plays an important role in influencing the rate of physical ageing.
用万能拉伸实验机和差示扫描量热仪(DSC)对物理老化和应变老化的ABS试样进行研究。
ABS samples of physical aging and strain aging were studied by universal tensile test machine and differential scanning calorimeter (DSC).
电镜对形态结构的分析进一步表明，聚醚砜共聚物经物理老化后其聚集态形成了某种局部有序结构。
The result of electron-microscopy investigation indicates that PES copolymer has formed a local order structure during the physical aging.
这个特征时间受多种因素的影响，如温度、物理老化、 压力和溶剂浓度、损伤、应力水平或应变水平等。
The changes in intrinsic time of viscoelastic materials are usually studied in the framework of the free volume theory.
用差示扫描量热计（DSC）及正电子湮没寿命谱（PALS）方法表征了两种不同物理老化条件试样的凝聚结构以及自由体积的差别。
The free volume and cohensional entanglement structure of samples preapared under two different thermal conditions were measured by positron annihilation life spectroscopy (PALS) and DSC.
在这种情况下，老化必须根据物理化学和热力学定律进行。
Ageing in this case must occur according to the laws of physical chemistry and of thermodynamics.
研究了加速老化试验对经不同装饰后的脲醛胶中纤板物理力学性能的影响。
This article studies the impact of the accelerated aging test to UF MDF decorated by different material about physical and mechanical properties.
对硬质聚氨酯泡沫塑料的物理性能，如力学性能、阻燃性能、老化性能等及其在工程上的应用情况进行了综述。
Physical properties like mechanical, fire retardant and aging properties et al and applications of rigid polyurethane foam are reviewed.
在物理领域，在二十世纪早期做出重大发现时的科学家非常年轻，之后物理学领域也加入了这个年龄越来越老化的趋势。
In physics, discoveries in the early twentieth century were made very young, before this field too joined the ageing trend.
目的：评估臭氧老化作用对SY1硅橡胶物理性能、机械性能的影响。
Objective: To evaluate the effect of ozone aging on the physical properties of SY 1 silicon elastomer.
考察了其对NR/EPDM并用胶的硫化特性、 硫化胶的物理机械性能和耐热空气老化性能的影响。
The effects of vulcanization properties of compound and physical properties and aging-resistance properties of vulcanizates of NR/EPDM blends which produced by the process technology were studied.
用红外光谱和其他测试方法对聚乙烯醇缩甲醛(PVFM)泡沫材料湿热老化前后力学性能、物理性能和化学结构的变化进行了研究。
The changes in mechanical and physical properties and chemical structure of polyvinyl formal (PVFM) foam caused by hygrothermal ageing tests were studied by means of IR and other measuring methods.
其功能包括耐老化性能、光催化技术、许多重要物理和机械性能，并提出必须解决的几个问题。
The function includes ageing resistance, light catalytic technique, many important physical and mechanical properties. The paper puts forward some problems which is necessary to be resolved.
本文研究了沥青紫外老化前后的物理性能与流变性能，并与热老化前后的物理性能与流变性能进行了对比。
This paper investigates physical and rheological properties before and after ultraviolet aging, compared the influence for asphalt performance of ultraviolet radiation aging with thermal aging.
利弗摩尔实验室的物理学家将电子撞击人金属靶后所产生的高能X射线用于检测老化炸弹，以确认其是否还具有爆炸性。
Those electrons were smashed into a metal target to generate the high-energy X-rays that Livermore's physicists needed to peek inside ageing bombs and check that they were still in working order.
研究不同并用比对国产EPDM/IIR 并用胶加工性能、物理性能、热老化性能和气密性能的影响，并与进口EPDM/IIR并用胶进行对比试验。
The effect of the blending ratio on the processibility, physical properties, aging properties and air tightness of domestics EPDM/IIR was investigated and compared to that of imported EPDM/IIR.
采用一种特殊化学结构的含溴化合物为主要原料， 合成了一种具有老化变黄度小、阻燃性能优越的不饱和聚酯树脂，介绍了此树脂的化学物理性能。
This paper introduced a low yellowing , excellent flame retardant unsaturated polyester resin synthetized from a special chemical structure brominated compound and its chemical physical properties.
运用物理防护、化学抗氧的方法改善臭氧老化性能。
The ozone resistance was improved by using the method of physical protecting and that of chemical antioxygen.
运用物理防护、化学抗氧的方法改善臭氧老化性能。
The ozone resistance was improved by using the method of physical protecting and that of chemical antioxygen.
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