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crack on相关的网络例句

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与 crack on 相关的网络例句 [注:此内容来源于网络,仅供参考]

The ellipsoidal coordinates and the square root characteristics of the displacement jumps across the crack surface are cleverly used in the hypersingular integral equations for an arbitrary planar crack embedded into the infinite three dimensional homogeneous elastic solid.

对无限大三维均质弹性体中任意平片裂纹的超奇异积分方程,巧妙地引入椭球坐标系和利用裂纹表面位移间断具有平方根的特性,获得了受任意方向均布内压力作用下椭圆平片裂纹问题的超奇异积分方程的解析解。

Influences of basic component (fiber, redispersable emulsoid powder, water-retentive admixture, expansive admixture, mixture and cement-to-sand ratio )of Dry-mixed Mortar on essential performance of mortar have firstly been summarized. The results show that :(1) After fiber is mixed into Dry-mixed Mortar , toughness ,crack resistance and unpermeability of mortar will be improved; Influence of different length mixed fiber on toughness of mortar precedes single-length fiber, but influence on crack resistance of mortar is the same.

该文首先研究了干拌砂浆的基本组分:纤维、可再分散乳胶粉、保水剂、膨胀剂、掺合料以及灰砂比对砂浆的基本性能的影响,结果表明:(1)在干拌砂浆中加入短切纤维,可以使砂浆的韧性得到改善,提高砂浆的抗裂性、抗渗性;不同长度的纤维进行混杂后对砂浆韧性的提高比单一长度纤维具有更好的效果,但对砂浆抗渗性的改善效果与单一长度纤维差别不大。

Meanwhile, based on equivalent amplitude loading crack spreading equation, we present time cycle algorithm for prediction of fatigue crack growth life.

同时以等幅载荷裂纹扩展公式为基础,提出了一种疲劳裂纹扩展寿命估算的时间循环计算方法。

According to temperature crack and desiccation crack of brick-mixing structure, it analyzes its cause and features of cracks, and puts forward prevention measures from setting expansion joint、adopting ferroconcrete roof、setting reinforcement band.

针对砖混结构的温度裂缝和干缩裂缝,对其裂缝的特征及其产生的原因作了分析,从设置伸缩缝、采用钢筋混凝土屋盖、设置配筋带等方面,提出了防治裂缝产生的措施。

And it prevent and control completely occurence of crack in the ferroconcrete cast-in-Place floor from nine respects such as the raw materials production control, construction process, construction organization design and construction measures. The application shows that the methods and measures of controlling crack are significant in construction. It provides the basis for further controlling cracks of ferroconcrete cast-in-place floor.

针对混凝土现浇板易产生裂缝这一现象,本文从施工振捣、抹面压光等7个方面揭示了裂缝生成的原因,并提出了从原材料进场、施工工序、施工组织设计、施工措施等9个方面来全面预防和控制现浇板混凝土裂缝的产生,实际施工实践证明这些防控裂缝的方法措施,具有较强的施工指导意义,为进一步做好现浇混凝土楼板裂缝控制提供了借签依据。

According to the phenomenon of easy occurence of crack in the ferroconcrete cast-in-Place floor, this paper reveals the reasons of occurence of crack in seven respects such as construction vibrating and trowel finish for calendering.

作者:孙云峰周建伟孙忠国中国论文联盟针对混凝土现浇板易产生裂缝这一现象,本文从施工振捣、抹面压光等7个方面揭示了裂缝生成的原因,并提出了从原材料进

Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting.

裂纹从烧割边缘的扩展可模拟为一个从烧割处的马氏体表面起始的边裂纹。

Firstly, the equation for stress intensity factors under static uniform pressure is used as the reference case, and then the weight function for a thick-walled cylinder containing a radial edge crack can be worked out. Secondly, the dynamic stresses in uncracked thick-walled cylinders are solved under internal impulsive pressure by using mode shape function method. The solution consists of a quasi-static solution satisfying inhomogeneous boundary conditions and a dynamic solution satisfying homogeneous boundary conditions, and the history and distribution of dynamic stresses in thick-walled cylinders are derived in terms of Fourier–Bessel series. Finally, the dynamic stress intensity factor equations for thick-walled cylinder containing a radial edge crack subjected to internal impulsive pressure are given by dynamic weight function method.

首先采用静态内压下的应力强度因子作为参考解,得到了带径向边裂纹厚壁圆筒的权函数;然后用振型函数方法推导无裂纹厚壁圆筒在冲击内压下的动应力响应,分析中将相应的弹性动力学方程解分为满足非齐次边界条件的准静态解和满足齐次边界条件的动态解的叠加,利用傅立叶-贝塞尔级数展开,推导出了厚壁圆筒内动应力的响应历程和分布规律;最后由动应力权函数方法导出带径向边裂纹厚壁筒在冲击内压下的动态应力强度因子计算公式。

First, the physical models associated with dislocations and cracks are respectively converted to mixed boundary value problems in mathematics. Secondly, by using the Fourier transform, a dual integral equation for a crack and an algebraic equation for a dislocation can be derived from the boundary conditions relating with a crack and a dislocation, respectively. Solving these equations, exact analytical solutions can be obtained in terms of Bessel functions in close-form.

先把位错和裂纹的物理模型写成与它们相关的边值问题,然后,利用Fourier变换将这些边值问题化成一个对偶积分方程(对位错而言,得到一个代数方程),求解此对偶积分方程,可以获得以Bessel函数给出的封闭形式的分析解。

This paper mainly uses the technologies and methods of digital image processing and computer grogram language to research and develop a glass-crack inspecting system. We can judge whether the image is a crack or not from the digital image processing methods that the inspecting system applies us.

本文主要利用数字图像处理技术及其方法结合计算机编程语言来研究一套检测玻璃瓶裂纹的系统,利用该检测系统提供的一些数字图像处理方法可以快速准确的判断出该图像是否为裂纹图像。

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推荐网络例句

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜,这支南方球队将会更坚持其一贯而有效的4-3-3阵型,洛佩斯和塞德维奇将取代受伤缺席的詹保罗,和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外,西方较自由的生活方式对年轻人的影响增大。

We are fed up with what the garrulous old lady said.

我们已经对那位爱唠叨的老太太所说的话感到厌烦了。