研究随机损伤下结构的力学性能变化有重要的工程意义。
The study on mechanics behavior of stochastic damaged structures is significant in engineering.
讨论一种低周疲劳下随机损伤演变过程的数值模拟方法。
A numerical simulation of stochastic damage evolution process in the condition of1ow cycle fatigue loading is discussed.
提出了模糊随机损伤的基本概念模型、推导了基于损伤的模糊随机变分列式。
Then a fuzzy stochastic damage conceptional model was proposed and a fuzzy stochastic variational formulation was deduced.
建立了混凝土单轴受拉、轴受压与双轴拉压组合条件下的随机损伤本构关系模型。
The stochastic damage constitutional law models of concrete under uniaxial tension, uniaxial compression and biaxial tension compression combination are established.
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.
其稀少性使得对该损伤实施前瞻性随机研究变得非常困难。
Their rarity makes it extremely difficult to study these injuries in a prospective or randomized manner.
方法将60例无手术适应证的重型颅脑损伤患者随机分为观察组和对照组,各30例。
Methods 60 Patients with heavy head injury and without operation indication were divided into two groups: (30 cases) and control group (30 cases).
对于承受随机载荷的钢桥,其寿命依赖于这种疲劳载荷造成的累积损伤。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
通过应用高温构件蠕变损伤的随机方程及一次二阶矩理论和方法,对高温构件的概率寿命预测进行了研究。
The probabilistic life prediction of high temperature components was studied by using the stochastic equation of creep damage and simple second-order theory and method of high temperature components.
方法89例重型颅脑损伤患者随机分为治疗组49例和对照组40例。
Methods89 patients with severe traumatic brain injury were divided randomly into the treatment group (49 cases) and control group (40 cases).
本文采用随机骨料模型和双折线损伤模型相结合,在细观层次上对混凝土在单轴荷载作用下的力学特性和破坏机理进行了数值研究。
In this paper, the random particle model and double lines damage model are used, and uniaxial mechanical properties of concrete and the damage mechanism are integrated on meso-level.
方法将16条犬经蒸气吸入造成吸入性损伤模型,并随机分为两组,即对照组和治疗组。
Methods 16 dogs with inhalation injuries from steam were divided into control group and treatment group at random.
目的:探讨尼莫地平对磷脂酶a 2激活致急性缺血性脑损伤中的保护作用。设计:完全随机对照实验。
OBJECTIVE: To discuss the protective effects of nimodipine on acute ischemic brain injury caused by activation of phospholipase A2. DESIGN: a completely randomized controlled trial.
方法将16条犬经蒸气吸入造成吸入性损伤模型,并随机分为两组:即对照组和治疗组。
Methods 16 dogs with inhalation injury from steam were divided into control group and treatment group at random.
方法将慢性压迫性损伤(CCI)模型大鼠随机分为对照组和实验组。
Methods Chronic compress injury(CCI) model rats were randomly divided into experimental and control group.
随机疲劳、混沌疲劳及复合材料疲劳寿命估算属疲劳学研究的三个重要前沿.给出了疲劳损伤的动态概率分布;
Stochastic fatigue, chaotic fatigue and the fatigue life estimation of the composite material are three important aspects in fatigue research. The fatigue damage probability distribution was given.
方法按标准选取急性重型颅脑损伤患者82例,随机分成对照组和治疗组。
Methods According to the standards, 82 patients with acute severe craniocerebral injury were chosen and divided into control group and treatment group randomly.
将雄性SD大鼠随机数字表法分为球囊损伤组和治疗组。
METHODS: The male SD rats were randomly and equally divided into injury group and treatment group.
研究具有幂率度分布的随机图上的损伤扩散。
Damage spreading on the random graphs with power-law degree distributions is investigated using Glauber dynamics.
文献回顾类固醇药物在急性脊椎损伤的随机试验。
To review randomized trials of steroids for human acute spinal cord injury.
所有类固醇治疗急性脊椎损伤的随机控制试验,不限语言。
All randomized controlled trials of steroid treatment for acute spinal cord injury in any language.
本文方法也可用于基础隔震结构和无损伤“加层减震”加固结构的随机地震响应分析与优化设计。
The method of the paper can be used to random response analysis and optimization design of the structure with base isolation.
该文在分析了时间序列模型的自回归系数对结构单元刚度灵敏度的基础上,提出了一种采用随机载荷作用下结构的时域响应数据进行损伤识别的新方法。
A new method is developed for identifying structural damages at the element level by using time-domain response data at a few points caused by random loadings.
本文研究了具有随机分布币形裂纹的损伤层对弹性波的反射与透射。
In this paper, the reflection and transmission of elastic waves by a layer with randomly distributed Penny-shaped cracks is investigated.
随机选取对照组6只白兔另一侧未行球囊损伤侧的髂总动脉做为正常组。
Common iliac arteries in the health side of 6 rabbits randomly selected in the control group were used as normal controls.
目前极需更多急性脊椎损伤的药物治疗随机试验。
There is an urgent need for more randomized trials of pharmacologic therapy for acute spinal cord injury.
采用随机波浪谱和线性疲劳累积损伤理论对导管架式海洋平台在波浪荷载作用下的疲劳可靠性进行研究。
The linear fatigue of the jacket structure was evaluated by using wave spectrum analysis theory and theory of linear cumulative damage.
本研究的目的是探究类固醇治疗人类急性脊髓损伤的随机试验。
To review randomized trials of steroids for human acute spinal cord injury.
目的运用依赖随机化末端连接物聚合酶链式反应(RDPCR)技术检测环境中混合污染物的DNA损伤作用。
Objective To detect DNA lesions induced by complex pollutants existing in environment using the technique of randomized terminal linker, dependent PCR (RDPCR).
介绍概率应变疲劳试验法、评价模型和损伤随机演化机制方面的新进展。
New advances are introduced in fatigue test method, assessment curves, and fatigue damage mechanism dealing the strain-based fatigue reliability theories and methods.
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