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damage structures
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  损伤结构
     The normalized natural frequency is taken as the input parameter of the neural network for detection of the location of the structural damage. Then, the wavelet packet technique is adopted to decompose the vibration signal of damage structures, and the energy derived for each frequency band is taken as the input parameter of the network for evaluation of the degree of structural damage.
     将固有频率进行归一化处理,作为神经网络的输入参数进行结构损伤位置的检测,然后利用小波包技术对损伤结构的振动信号进行分解,求出各频带内的能量作为网络输入参数,进行损伤程度的评估.
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  “damage structures”译为未确定词的双语例句
     DYNAMIC RELIABILITY ANALYSIS OF REPAIRABLE DAMAGE STRUCTURES
     维修结构的动态可靠性预估
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     Dynamic detection of derrick damage structures
     井架结构损伤的动力学识别
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     Related to the practical engineering, this paper has done some research work on the method of probabilistic damage tolerance and reliability. With the analysis of former research, at first, based on the durability analysis/damage tolerance analysis, a new method of stochastic crack propagation analysis is introduced, this method can insure the security of the damage structures, at the same time, it can consider the influence of the economy, the related formulas are given. With the reliability model, the reliability of the structure can be calculated.
     本文立足于工程实际,综合研究了概率损伤容限及其可靠性分析的方法,在总结以往研究成果的基础上,首先,提出了一种基于耐久性/损伤容限的随机裂纹扩展方法,推导了相关的公式,该方法结合了耐久性分析和损伤容限分析的思想,在保证结构安全性的同时考虑到结构使用的经济性,适合工程应用,结合相应的可靠性模型,从而可以计算结构的可靠性;
短句来源
     The dynamic characteristics of structures are in closed relationship with the structural parameters, and structural damage will cause the dynamic characteristics shifts correspondently. So the detection and diagnosis of the damage structures can be realized used the dynamic measurements if the mapping relationship between the damage and the parameters had been founded.
     结构的动力特性和结构参数直接相关,结构的损伤将引起相应动力特性的改变,因此,如果能建立结构动力特性变化与结构损伤之间的映射关系,就可以利用结构振动测试信息实现结构损伤诊断。
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     Theimpoundmentofthereservoirandlarge variation of waterlevelduringitsoperation willproduce unfavourableinfluence onthestability ofsomelandslide masses,and induceor intensify their unstability and deformation. Landslide will damage structures,blockade river channel or produce surge,and bring aboutcasualties and propertylosses. The waterlevelofTGPreservoir willbeimpoundedto135 m in 2003, sothe studyaboutthetreatmentschemesforthelandslide massesshould becarriedoutassoon aspossible.
     长江三峡水库库岸存在1 300 余处崩塌、滑坡体,水库蓄水和运行调度中水位变动较大,将对其中一些崩滑体的稳定性产生不利影响,诱发或加剧其失稳变形,损坏建筑物、堵塞河道或产生涌浪,导致人员伤亡和财产损失,2003 年三峡水库蓄水位达到135 m ,因此需要尽早开展崩滑体处理方案研究。
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  相似匹配句对
     Damage to the structures of mitochondria was evident.
     线粒体明显受损。
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     The structures of
     这些醚化产物的结构由红外、核磁、质谱确定。
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     structures.
     结构延性的有效措施——人工塑性铰。
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     Causes of Damage to Concrete Structures
     混凝土结构损伤的原因及可靠性分析模型
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     2. damage.
     2、损害事实。
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  damage structures
On adaptation of elastic plastic anisotropic damage structures to cyclic loading
      
On the basis of a linear analysis of the stability of solutions of a formulated boundary-value problem, we estimate a conservative value of the void-formation threshold and conditions for the development of dissipative damage structures.
      
The results of PFT testing on individuals exposed to molds in water-damage structures.
      
This process can be cyclical and the associated episodic pressures can damage structures not designed to withstand the forces.
      
This is the problem of unmanageable high flows, which can damage structures and cause serious erosion.
      
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Horizontal earthquake load has been generally assumed as the decisive role in damaging structures. According to our field investigation of damage to chimneys, it is shown that this traditional idea is not correct and the vertical seismic load does play the major role in the damage. Besides, the damage mechanism of multiple peripheral cracks on brick chimneys is described. Based on literature [1], both the maximum value of the horizontal seismic load and the minimum value of the vertical...

Horizontal earthquake load has been generally assumed as the decisive role in damaging structures. According to our field investigation of damage to chimneys, it is shown that this traditional idea is not correct and the vertical seismic load does play the major role in the damage. Besides, the damage mechanism of multiple peripheral cracks on brick chimneys is described. Based on literature [1], both the maximum value of the horizontal seismic load and the minimum value of the vertical seismic load are computed for all damage patterns of chimneys: inclined cracks, dislocation, and fractured section near the top of the chimney in order to show that the vertical seismic load plays a major role in damage to chimneys, as mentioned above. For multiple peripheral cracks of brick chimney, the damage mechanism is also explained by computation.Continuous attenuation of longitudinal wave in transmission is considered, and so its computation formulas are not exactly the same as those in reference [1].

在文献[1]中我们根据砖烟囱的震害证明了水平地震力起决定性作用的传统观点是错误的,实际上是竖向地震力在起主要作用。同时还阐述了砖烟囱出现多条裂缝的破坏机理。本文在文献[1]的基础上对烟囱出现斜缝、错位及破坏截面接近顶端等现象,计算其最大水平地震力及最小竖向地震力以证明上述观点.对出现的多条裂缝,也用计算数字来说明其破坏机理.

Pure iron foils were implanted with Fe ions of 27 keV at the range of doses from 2×1016 to 5×1016 ions/cm2. The damage structure was observed by CEMS. The results show that there are three sites: Fe atom without surrounding vacancy, Fe atom associated with one vacancy, and with two or more vacancies. The temperature and the migration energy of monovacancy were estimated to be about 100℃ and 0.9 eV, respectively. The vacancy thermal release energy was 1.1eV.

用27keV的~(57)Fe离子注入金属铁箔,注入剂量在2×10~(16)到5×10~(16)个/cm~2之间。由内转换电子穆斯堡尔谱观察到存在三个铁原子位:未受扰动的α-Fe原子位、同一个空穴相连结的铁原子位、以及同二个或更多空穴相结合的铁原子位。据三种位的铁原子不同的退火行为,得到单空穴迁移的温度和能量分别为100℃和0.9eV左右,空穴的热释放能量大约为1.1eV。

A lot of lives and property will be lost if structures collapse during earthquake. It is not only need much money to strength the damaged structures, but that it is not easy to recover the damaged structures as them used to be. Thus, it is necessary to make structures not to collapse during strong earthquake and to make structures not be damaged due to action of weak earthquake which occurs more frequently. That is the purpose of seismic resistant principle so called "not...

A lot of lives and property will be lost if structures collapse during earthquake. It is not only need much money to strength the damaged structures, but that it is not easy to recover the damaged structures as them used to be. Thus, it is necessary to make structures not to collapse during strong earthquake and to make structures not be damaged due to action of weak earthquake which occurs more frequently. That is the purpose of seismic resistant principle so called "not collapse in strong earthquake and not be damaged in weak earthquake"proposed by seismic design code in our country. It is a pity that there is no corresponding ways or practical method in the code to deal with how to attain the goal. Some formulations and concerned problems of the code are discussed in this paper for consideration.

地震时房屋结构如果发生倒坍,就会造成人民生命财产的重大损失;发生了破坏修复不仅要花去很多费用,而且还不易恢复原有强度。因此,要求房屋遭到强烈地震时不会倒坍,遭到出现频数较多的较弱地震时不会破坏,是很有必要的。我国抗震规范提出“大震不倒,小震不坏”的设防原则,也就是这个目的。遗憾的是:规范对于如何才能达到这一目的并无相应的对策或具体内容。本文对规范的提法以及有关问题,提出一些意见以供讨论。

 
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