Low temperature aging for die casting al alloy under appropriate technological condition can increase average strength and Brinell hardness more than 10% and 30% respectively.
对压铸铝合金进行低温时效，在最佳工艺条件下，合金的平均拉伸强度提高10 %以上，布氏硬度提高30 %以上。
As the result shows: Low temperature can slower the aging speed of amino acid in tea to keep fresh.
结果表明，温度主要是通过减缓茶叶氨基酸的陈化速度而起保鲜作用的；
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。
The effects of the aging temperature and holding time on the microstructure and hardness of the ultra-low-carbon steel bearing copper were investigated.
研究了时效温度和保温时间对时效硬化型超低碳含铜钢的显微组织和硬度的影响。
No light pollution, high illuminant efficiency, low temperature design, avoiding equipment aging avoid brightness reduce, life loss, mass maintenance task and other problems.
无光污染、无高温、发光效率高，从而避免由于高温而导致设备老化、亮度降低、寿命缩短、维护量大等问题。
The phenomenon, affecting factors and retarding methods of Y-TZP low-temperature aging were reviewed.
对YTZP 材料低温老化现象、影响因素及其抑制方法作了综合评述。
Therefore, it is extremely important to study on low temperature performance and the ray aging of the bituminous binder.
因此，开展寒区沥青结合料的低温性能和光辐射研究，显得十分重要。
The lamellae phase formed in high aging temperature provides channel for element diffusion in low aging temperature, so the magnetic properties increased during step aging process;
高温时效生成的片状相为低温时效时元素的迁移提供了路径，因此通过等级时效合金的磁性能得到提高；
The evaluation showed that the high temperature stability, low temperature cracking resistance, aging resistance and temperature susceptibility meet the requirements of high grade road asphalt.
路用性能评价表明，沥青的高温稳定性、低温抗裂性、抗老化性和感温性等性能完全满足铺筑高等级公路的要求。 该产品正应用于国内高速公路的建设。
Capacitors should be stored in low temperature and dry place, if stored in long time, re-aging process with rated voltage must be taken prior to use capacitor.
电解电容器应储存于低温及干燥场所，如储存期较长，则使用前应用额定电压对其重新老练。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The asphalt mixture's crack resistance at low temperature is one of the key pavement performances in perennially frozen soil zone, and aging procedure has important effect on it.
沥青混合料的低温抗裂性能是多年冻土地区沥青路面的关键路用性能之一，老化对其有着重要影响。
Long term aging lowered the low temperature performance of rubber powder asphalt mixture.
长期老化降低了橡胶粉沥青混合料的低温性能。
There are precipitation strengthening effect during nature aging and low-temperature annealing, however, the conductivity remains stable basically.
材料在自然时效与低温退火过程中，有沉淀强化效应产生，但导电率基本保持稳定。
The utility model is characterized by high portability, corrosion resistance, high and low temperature resistance, aging resistance and light weight.
本实用新型具有便携性强、抗腐蚀、耐高温严寒、抗老化、轻便的特点。
The mold which is treated by adopting the way delays the emergence of craquelure after low-temperature aging, and by adopting the technical scheme, the service life of the mold is greatly prolonged.
采用上述方式处理的模具经过低温时效后延迟了龟裂纹的出现，采用本发明的技术方案使模具的寿命大为延长。
This product is a two-component reactive adhesives, This product has good high and low temperature properties, bonding strength and anti-aging properties.
本产品为双组份反应型粘合剂，本产品具有良好的高低温性能、粘结强度和耐老化性能。
This product is a two-component reactive adhesives, This product has good high and low temperature properties, bonding strength and anti-aging properties.
本产品为双组份反应型粘合剂，本产品具有良好的高低温性能、粘结强度和耐老化性能。
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