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。
Pre-aging increases the density and volume of precipitates after artificial aging, which decreases the disadvantage of the nature aging and improves the hardness of auto sheets.
区，使得在随后的时效过程中形成高密度的强化相，减少自然时效的不利影响，提高合金的硬度。
Researchers at Stanford University just published a study in Nature that may give new hope to those looking to stop the effects of aging on the brain.
斯坦福大学研究人员最近在《自然》杂志上发表的研究报告可能会给那些希望减缓大脑衰退的人带来新希望。
The study, which was supported by a grant from the National Institute on Aging, was published today (July 27) in the journal Nature.
这项研究是在国家老龄问题研究所的赞助下进行的，并于今天(七月二十七日)发表于《自然》杂志上。
The National Institute on Aging leads a broad scientific effort to understand the nature of aging and to extend the healthy, active years of life.
国家老化研究所倡导广泛的科学研究，以瞭解老化的本质和延长健康、有活力的生命。
Not only replace dysfunctional or damaged cells, the so-called regenerative medicine, stem cells may also offer us new perspectives regarding the nature of aging and cancer.
不仅取代功能失调或受损细胞，即所谓的再生医学，干细胞还可能为我们提供了新的前景的性质衰老和癌症。
The classical concept often USES "aging" to express the nature of the living activities of the elderly.
经典的观念用衰老或老化表达成年之后或老年人的生活活动本质。
This paper introduces the cause of the easy aging of sodium silicate binder and the harm of its aging to the sand nature, and puts forward the methods and effects of sodium silicate binder modifying.
介绍水玻璃粘结剂容易“老化”的原因和老化现象对水玻璃砂性能的危害，提出水玻璃粘结剂改性的方法与应用效果。
Therefore, to treat aging and disease, humans can not resist the birth, old age, sickness and death laws of nature.
所以对待衰老和病症，人类无法抗拒生、老、病、死自然规律。
According to the classification, we can supervise the aging experiment under nature weathering and investigate the effects of the weathering on the properties of materials.
可以依据上述各站点的主要自然环境影响因素指导环境试验，研究不同环境因素对材料性能的影响。
According to the classification, we can supervise the aging experiment under nature weathering and investigate the effects of the weathering on the properties of materials.
可以依据上述各站点的主要自然环境影响因素指导环境试验，研究不同环境因素对材料性能的影响。
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