而已有的混凝土大型结构和基础设施的损伤积累和灾变行为日趋突出。
However, the problems of accumulation damages and catastrophic behavior of the in being larger concrete structures and national infrastructure become very prominent.
由等幅疲劳残余应变，定义了损伤变量，得到了相应的损伤积累和演化规律。
The damage variable is defined as the residual strain of concrete under constant amplitude fatigue loading, and the law of cumulative damage and its evolution are obtained.
但是由于外界环境等因素的影响，桥梁结构不可避免地出现损伤积累和抗力衰减。
Inevitably, the bridge structure was damaged and its resistance was attenuated duo to the destroy effect of environment.
随着衰老研究的深入，研究者们对衰老的认识经历了由主动衰老→被动衰老，由程序性死亡→随机损伤积累的过程；
With the epistemological advance in field of aging research, the gerontologist has recognized that the aging mechanism is a negative and stochastic process rather than active or programmed one.
其结果就是他们会繁殖出天生缺陷更少的老鼠，从而积累足以致死的生理损伤就需要耗费更长的时间。
The result would be a mouse that is born with less congenital damage and which thus takes longer to accumulate enough further damage to kill it.
很少人会想要罹患心血管或其他疾病，我们之所以会得到这些疾病，是因为分子与细胞损伤，一生积累的结果。
I don't often meet people who want to suffer cardiovascular disease or whatever, and we get those things as a result of the lifelong accumulation of various types of molecular and cellular damage.
细胞死亡，酸继续积累，并在这样的循环中增加损伤的规模。
Cells die, acid continues to accumulate, and the cycle repeats on a more damaging scale.
反复或持续暴露在噪声中，可能会逐步造成积累性损伤。
Repeated or continuous exposure to loud noise can cause gradual and cumulative damage.
随着时间的推移，线粒体的损伤逐渐积累下来，使细胞和组织产生病变，并最终被破坏。
Over time, mitochondria accumulate damage, causing cells and eventually tissues to malfunction and break down.
为了缓减盐对植物细胞的损伤，许多植物细胞都积累一些称为渗透调节剂的小分子有机物如甜菜碱，多胺，甘露碱。
In order to relieve the damage of salt to the cell, many plants accumulate some low-molecular weight compounds called osmoprotectants, such as betaine, polyamines and mannitol, etc.
在硅片研磨过程中，由于应力的积累和剧烈的机械作用，硅片表面损伤严重，碎片率增加。
In the process of wafer polishing, the wafer surface could be damaged badly and fragment rate will increase sharply, because of the accumulation of stress and the mechanical action.
积累损伤作为等效塑性应变、塑性体积应变和压力的函数。
The accumulated damage model is viewed as the function of equivalent plastic strain, plastic volumetric strain and pressure.
对一条实船的分析说明，腐蚀和疲劳损伤虽然短时间内的破坏并不显著，但积累到一定程度，对船体结构的影响相当大。
The tank case study shows that in short time period fatigue and corrosion damages could be neglected, but the damages could affect ship strength obviously when they accumulate to some degree.
通过现场测试得到高层建筑的动力特性具有重要意义，既可以验证理论计算，又可以为建筑物的安全性评估及损伤识别积累基本技术资料。
They can be investigated by means of field vibration test, and can be served as fundamental data for health estimation and damage identification, as well as the theoretical analysis.
研究疲劳应力应变滞后环对探讨疲劳积累损伤很重要。
It is important to study fatigue stress - strain hysteresis Loop on cumulative fatigue damage.
本病的病因目前尚未十分明了，一般认为，膝关节慢性积累性损伤，机械性牵拉和刺激是主要原因。
The cause of this disease is not clear now. Generally speaking, chronic accumulated injuries, mechanical traction and stimulation are believed to be the major causes.
Rattan博士认为老化是损伤的不断积累，而且老化并未从基因上得到严格的控制。他说，去乙酰化酶也许只是更纷繁复杂的情形中很小的一部分。
In his view, ageing is about the accumulation of damage, and is not under tight genetic control. Sirtuins will, he says, probably be but a small part of a more complicated picture.
大肠杆菌的SOS反应作为研究DNA损伤修复反应的经典模式系统，已积累了大量观测数据。
The SOS response of Escherichia coli is a classic model system for studying DNA damage repair response and there has been plenty of quantitative datas about it.
大肠杆菌的SOS反应作为研究DNA损伤修复反应的经典模式系统，已积累了大量观测数据。
The SOS response of Escherichia coli is a classic model system for studying DNA damage repair response and there has been plenty of quantitative datas about it.
应用推荐