研究了PET材料在加速老化条件下性能的变化。
The properties change under an accelerated ageing condition of PET were studied.
研究有机玻璃材料在湿热加速老化条件下的力学性能，得到有机玻璃在湿热条件下的老化规律。
The mechanical properties of perspex under an accelerated aging condition of the hygrothermal were studied, and the laws of hygrothermal aging for perspex were obtained.
结论：SY 1硅橡胶在臭氧老化条件下，油画类颜料与无机盐类颜料色彩稳定性优于水粉颜料。
Conclusion: Under the ozone aging condition, the SY-1 silicone elastomers stained with oil pigment and inorganic salt may have better color stability than that with gouache color.
只有当所有实验室都采用同样设计的紫外荧光设备、灯和老化条件时，实验室间的比较才是有效的。
Interlaboratory comparisons are valid only when all laboratories use the same design of fluorescent UV device, lamp, and exposure conditions.
本标准使用的老化条件并不试图去模拟当地气候现象如大气污染、生物侵蚀，以及盐水老化导致的性能退化。
The exposure used in this practice is not intended to simulate the deterioration caused by localized weather phenomena such as atmospheric pollution, biological attack, and saltwater exposure.
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.
讨论了不同四甲氧基硅烷（TMOS）与聚乙二醇（PEG）配比、老化条件、陈化时间对硅胶柱的影响，并采用SEM、BET、强度测试等手段对其结构进行表征。
The effects of TMOS/PEG ratios and aging conditions on the pore structure were investigated and the prepared samples were characterized by SEM, BET and hardness tester.
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。
To simulate aging, the same bees were then placed in plastic tubes and exposed to a high-oxygen environment, a metabolic stress test.
在48天的时间里，三个原色纸张样品在三个模拟不同环境条件的反应堆中迅速老化。
For 48 days, three unbleached paper samples aged rapidly in reactors that simulated different environmental conditions.
其他原因引起的便秘，可以感染的肠道，其他条件，如中风，改变的生理状况，如老化和怀孕。
Other causes of constipation can be an infection of the gastrointestinal tract, other conditions like a stroke, and changed physiological conditions like ageing and pregnancy.
选择陶瓷是因为它暴露在气象条件中时的抗老化能力、绝缘强度大以及雨中的清洗保洁能力。
Porcelain is chosen because of its resistance to deterioration when exposed to the weather, its high dielectric, and its ability to wash clean in rain.
本文提出了从老化催化剂载体活性炭中回收醋酸锌的方法，并对提取条件进行了讨论。
This paper introduces a method of the recovery of zinc acetate from absorbent carbon of aging catalyst carrier, and researches are made on condition of extraction.
通过进一步对胶粘剂的固化条件、耐介质性能及耐湿热老化性能的考查，说明J-200-1D胶粘剂具有优异的工艺性能及耐候性能。
The tests of curing condition, resistance to medium and hydrothermal ageing showed that the J-200-1D adhesive has excellent processing properties and resistance to weathering.
可是市井建筑同时也存在着结构老化，设施陈旧，居民生活条件低下等种种问题，从而面临被大面积拆毁的危机。
But the civil mundane building have structure wear out at the same time, outmoded facilities, poor resident living condition all sorts of questions, thus face the crisis demolished by a large scale.
目前在水闸老化评估时，由于客观条件的限制或者经济上的原因，有时不能取得全部必需的资料，给评估造成困难。
Owing to the limitation of objective condition or the reason of economy, sometimes, there may lack of necessary data and bring difficulties to rating works for sluice deterioration.
利用连续流动微型反应装置研究了催化剂的反应性能，抗老化性能及反应条件对反应性能的影响。
The catalytic activities and ageing resistant performance of above catalysts for methane combustion was evaluated in a continuous-flow micro-reactor.
该系统能实现不同的电晕试验条件，能够同时对54个试样进行电晕老化试验。
The new system could set different corona conditions, and there were up to 54 samples could be tested synchronously under the set experimental conditions system.
根据耐久性试验中老化试验的条件，估算了一台合格的高压并联电容器在标准和技术条件规定的条件下运行时，其预期的使用寿命。
According to the conditions of ageing test within endurance test, the expected operation life of a high-voltage shunt capacitor which operates under the standard condition is estimated.
影响铜粉导电胶导电性能和自然老化性能的主要因素是胶的配方和工艺条件，铜粉粒度。
Main factors which affect conductivity and natural aging resistance are formula. Technology and Cu powder size.
新加坡美容专家梁筱卿女士说：如果有条件的妇女能长期服用“瓜拿纳”将会从根本上改变皮肤老化和皱纹，使您的皮肤光泽有弹性。
Singapore beauty expert Miss Liang Xiaoqing said: If the conditions of women in long-term use, "Guarana" will fundamentally change the skin aging and wrinkles, make your skin shiny flexible.
具备卓越的耐高低温、防火、抗老化和耐紫外线性能，能满足室外恶劣环境条件下长期使用要求。
Possess excellent resistance to high temperature, fire protection, anti-aging and anti-UV properties, to meet the outdoor long-term use under harsh environmental conditions require.
考察了不同老化温度对样品合成的影响，表明高温条件下老化所得到的样品具有较好的孔道结构。
The effect of the age temperature on the structure was investigated and the result indicated that the higher of the age temperature, the better structure we got.
结果表明，在热湿条件下老化结束后，材料的断裂应力、初始模量和断裂比功的损失率分别大于44%、65%和51%；
The results showed the loss rates of stress, initial modulus and breaking work were more than 44%, 65% and 51% after hydrothermal aging test respectively;
采用室内贮存试验、人工加速湿热老化试验和红外光谱法研究了硬质聚氨酯泡沫塑料在室内贮存条件下的老化机理。
The aging mechanism of rigid polyurethane foams at indoor storage conditions was investigated with indoor storage tests, accelerated hygrothermal aging tests and IR spectra.
在对催化转化器性能的相关评价中，老化难度最大，其中台架快速老化的试验条件最为苛刻。
In the relevant assessments of catalytic converter performance, the most difficult is aging test and rapid aging on test bench has the most demanding conditions.
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。
Aiming at the test results of different test methods, aging phenomena and difference of the coating under different stress were analyzed.
然而，如果保证当前的储藏条件不变的话，画作不会有老化的危险。加拿大国家研究委员会说。
However, if its current storage conditions are maintained, there is no risk of degradation, "the NRC said in a statement."
光纤槽道能承受规定条件下的老化、冲击试验。试验后，试样不产生裂纹或脆断；
After the stated conditions of aging, impact test, the sample doesn't crack or brittle fracture.
光纤槽道能承受规定条件下的老化、冲击试验。试验后，试样不产生裂纹或脆断；
After the stated conditions of aging, impact test, the sample doesn't crack or brittle fracture.
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