对于缺口疲劳试样,则采用半寿命阶段的疲劳参数的预测结果为最小。
As for notched specimen, the fatigue life prediction using fatigue factors of half-life section is the smallest.
只要有一定数量的老化试验数据,就可估计得到长寿命的发光器件的半寿命、L_0/3寿命、L_0/4寿命等。
Therefore, only if there are some data of deteriorative experiment, we can estimate the long-lived devices' half-lives, L0/3-lives, L0/ 4-lives, etc.
毕竟,目前82岁的平均寿命每10年增加近两岁半,而在生育高峰期出生的那一代日本人将要开始进人退休年龄。
After all, average life expectancy, now 82, is growing by almost 2.5 years every decade, while Japan's big baby-boom generation is just about to start moving into retirement.
吸烟有百害而无一利,但却容易成瘾,因此危害是致命的:吸烟者中三分之一到一半的人寿命缩短。
Vile indeed, but habit-forming and therefore lethally dangerous: it cuts short the lives of between a third and half of its practitioners.
约有一半的成年美国人存在睡眠质量问题,这些人或许全部被处以了寿命罚款。
Half of mature Americans have difficulty sleeping, and all of them may pay a longevity penalty.
有一半的当地农村人口无法获得干净的水,导致过去两代人的平均寿命跌至40岁。
Life expectancy in its rural communities, half of which have no access to clean water, has fallen to little more than 40 over the past two generations.
在跑鞋的寿命达到一半之后,你就应该买一双来轮着用。
About halfway through the life of your running shoes, you might want to buy another pair of running shoes to rotate into your runs.
他们通常的寿命有50年,但现在他们还没到繁殖年龄的一半就已经被杀死了。
They used to live to around the age of 50, so that was not a great problem. But now they are being killed off before they can reach even half that age.
对精车和半精车而言,CBN是车削粉末高温合金的一种理想刀具材料,它不仅可保证高的加工精度,而且可获得长的刀具寿命。
CBN is an ideal tool material for finish and semi_finish turning powder superalloy. It not only ensures the high machining accuracy, but also can obtain longer tool life.
太阳现在的寿命大约是50亿年,作为一颗“主序”恒星,也只是过了生命的一半。
The sun is thought to be about 5 billion years old and halfway through its lifetime as a "main sequence" star.
仅仅才使用三到四年,备受争议的Civic轿车行驶里程最多不超过75000英里(120000千米)---为预计使用寿命的一半。
Being barely three or four years old, the Civics in question are unlikely to have done more than 75,000 miles (120,000km) at the very most—about half their expected life.
在埃塞尔短暂的寿命中,仅售出十一万八千辆,只是福特公司投入的一半。
During Edsel's short life, only 118,000 cars were sold, about half of what Ford needed to break even.
累积塑性应变能随着加载频率及应力水平的增加而增加,与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
因此,我这次演讲的特殊使命是:我将尽力为这个大厅里的每个人延长七分半钟寿命。
So here's my special mission for this talk: I'm going to try to increase the life span of every single person in this room by seven and a half minutes.
他们是一批普通人,这意味着平均减损了一半的预期寿命。
They were an average lot of people, which means that on an average they lost half their expectation of life.
阿尔兹·海默症发病后,若不进行治疗,平均寿命只有五年半。
Without treatments, Alzheimer's average survival is five and a half years.
试验表明,在半固态金属加工模具内表面用静态法制备陶瓷涂层,将显著提高模具的使用寿命。
The results show that the ceramic coating on semi-solid forging mould can improve the service life of the mould remarkably.
该系统集成的半扭,显著延长了皮带寿命,因为它允许带磨损双方。
This system had an integrated half-twist, that extended a belts lifetime significantly, because it allowed the belt to wear and tear off on both sides.
通过实验神奇般的延长寿命确有先例,例如限制卡路里的饮食。但谁愿意在半饥饿状态下延长寿命呢?
And while there are astonishing laboratory examples of life extension due to, for instance, restricted-calorie diets, who would want to live longer in a state of semi-starvation?
热量会让皮革的水分完全流失,鞋子的寿命就会减少一半。
Heat will dry out leather and the lifespan of the shoe will be cut in half.
通过全寿命周期分析方法,提出半刚性沥青路面最合适的养护时机,使所需养护维修费用最少,为道路使用者提供良好的通行环境。
This paper presents right maintenance time of semi-rigid asphalt pavement through life-cycle cost analysis, which could make the least maintenance cost for manager and best surroundings for users.
中子寿命是指热中子密度降至一半所用的时间。
Neutron lifetime is the time in which the thermal neutron density falls to half.
主要包括半花菁衍生物在LB膜中的聚集特性;亲水基团与疏水基团对半花菁衍生物激发态寿命的影响等。
The study mainly include the aggregation behavior of hemicyanine derivatives in LB films, the influence of the donor acceptor on the excited level and excited lifetime of the hemicyenine derivatives.
因此在第二章,本人用半参数方法提出了协变量测量有误差时的中值回归模型,用它来估计寿命变量的中值。
In the second chapter, I propose semi-parametric estimate to get median regression models with the measured error margin and use it to estimate the mediant of survival data.
半刚性基层材料由于具有优良的路用性能而常作为沥青路面和水泥混凝土路面的基层,其质量好坏会直接影响道路路面的质量和寿命。
Semi rigid base course is widely used in Chinese super highway for its good character, the performance and life of pavement is influenced by semi rigid base course.
焊接式半桥自补偿高温应变片的应用,为确保机组高效率、长寿命的特性提供必要的依据。
The use of the welded half-bridge self-compensating high temperature strain gauges has provided a firm basis for ensuring a high efficiency and a long life feature for the power unit.
研究了NR/BR为70/30(质量比)时普通、半有效和有效3种硫化体系共混物的拉伸疲劳寿命和力学性能。
The fatigue failure and mechanical properties of conventional, semi-efficient and efficient curing systems of NR/BR(70/30) blend were studied.
“老鼠患病少了,寿命延长了,但是它们很饥饿,”他说,“即使能清楚地认识到节食的功效,人们仍然很难在餐馆中说自己只能吃一半的食物。”
"The mice get less disease, they live longer, but they're hungry," he says. "Even seeing what a diet does, it's still hard to go to a restaurant and say: 'I can only eat half of that,."
举例来说,将上世纪80年代和90年代的人相比,受教育程度更高的人的预期寿命延长了一年半,而接受教育比较少的人的预期寿命仅仅延长了半年;
For example, comparing the 1980s to the 1990s, better educated individuals experienced nearly a year and a half of increased life expectancy, while the less educated experienced only half a year.
举例来说,将上世纪80年代和90年代的人相比,受教育程度更高的人的预期寿命延长了一年半,而接受教育比较少的人的预期寿命仅仅延长了半年;
For example, comparing the 1980s to the 1990s, better educated individuals experienced nearly a year and a half of increased life expectancy, while the less educated experienced only half a year.
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