The principle of the measurement is based on the radial shearing interference in which the measuring wavefront from the entire mirror surface under test is referred to that of the central part. 基于波带板可以聚焦成像的原理,使用不同焦距的双波带板产生径向剪切干涉。
The prediction of the punch wear based on the analysis of the shearing surface 基于剪切面分析的冲裁模具磨损预测
The mechanics model is set up for the section caused folding surface and the new algorithm of shearing stress for the corresponding metal surface are produced, as being the one of the design rules. 本文建立了发生贴皮现象部位的力学模型,并提出了相应的金属表面切应力的算法,作为球铁磨球斜轧中防止贴皮现象的设计准则之一。
Finishing: this operation includes shearing, cooling, leveling, inspecting and testing, surface treatment. 精整&包括剪切、冷却、矫正、检验、表面处理等。
Effect of high temperature storage on shearing strength and microstructure of snagcu/ cu surface mounted soldered joints 高温存贮对SnAgCu/Cu表面贴装焊点抗剪强度与显微组织的影响
When the SV-wave whose incidence is vertically propagates from the bottom, with water's no burdening shearing stress, the respond of displacement or acceleration on surface is the same. SV波垂直从底边界入射时,由于水并不能承受剪切作用,所以两相介质和单相介质对地震波的传播影响一致。
With coherent illumination, this camera becomes a shearing interferometer which can directly measures the second order derivatives of surface displacement. 用相干光照明该剪切干涉系统可直接测量试件的二阶位移导数。
The test results showed that the factors, such as granularity distribution of the MLSS, membrane fouling, shearing force on the membrane surface, were the main affecting factors of CMLSS. 试验结果表明,混合液污泥的粒度分布、膜污染情况、混合液对膜面的剪切力度等因素均对临界混合液浓度有较大影响。
And shearing strain and deformation are maximums when the stator and screw contact at middle position, the maximum shearing strain is at outside surface of stator for uniform-thickness screw pump. 而等壁厚螺杆泵则在中间位置接触时,剪应变和变形最大,且最大剪应变位于定子的外表面。
It is found in the survey that the sliding surface has a three segments form, including sliding surface of forward edge, drawing open surface of back edge and shearing surface of inter part. 考察中发现,滑动面具有前缘滑移面、后缘拉裂面和中间剪断面的三段式形态。
Finally the shearing fatigue model of the surface strengthening spring is suggested. 最后给出了表面强化弹簧的剪切疲劳模型。
Thus, the reasons that the fracture surface varies from helicoids to plane shearing surface with the crack depth δ aggrandizing gradually in model III fracture are revealed. 从而揭示随裂纹深度δ的增加,III型裂纹破裂面将由螺旋面向直剪面变化的原因。
Additionally, with the true human eyes of volunteers, radial shearing interference images of the front surface of human eyes cornea were captured. 最后应用志愿者人眼做实验,捕获了人眼角膜前表面的径向剪切干涉图。
The grass on slope turned to be curved with s flowing, and thus, increased the bottom resistance of flow, and reduced the shearing stress of soil surface. 坡面草本植物在水流作用下易弯曲,增大水流底层的阻力,减小床面的切应力;
Three major failure modes, namely, the hydraulic jacking, hydraulic shearing of joints and uplift of the ground surface, are identified. The concept of hydraulic jacking is first presented. 本文分析并首次定义了水力剪裂的概念,通过对简化的典型情况的分析,确认了无衬砌压力隧洞的三种基本破坏模式:岩石节理的水力胀裂,水力剪裂和地表上抬。
Stirring during hydrothermal process is a key point to formation of spherical particles. A tangential shearing moment exerts on the surface of C-S-H gel particle by stirring. The foil-like gel particles are rolled into spherical under the shearing moment. 搅拌对形成球形颗粒起着决定性作用,在搅拌作用下CSH凝胶表面受到切向剪切力矩的作用,片状的凝胶被卷成为球形颗粒。
This paper made a survey of the existing theory on the cause of pitting and analyzed the distribution law of shearing stress under gear tooth surface according to the principles of lubrication in fluid mechanics. 对现有点蚀成因的理论作了评述,并根据流体力学润滑原理分析了齿面下剪应力的分布规律。
While the coating thickness is relatively thin, the maximum shearing stress of coating surface layer nearby the Hertzian contact center will be far bigger than the maximum static shearing stress in the substrate. 涂层厚度较薄时,位于赫兹接触中心附近的涂层表层上的最大剪应力要远大于基体内的最大静态剪应力;
Combining with cable practice and application, the designed tensile force, pre-stress and determination of locking load of anchor cable and shearing resistance of anchor cable at slip surface are discussed. 本文针对锚索桩锚索设计拉力、预应力及锁定荷载大小的确定,锚索在滑动面处的抗剪这几个具有争议性的问题,结合笔者多年的实践和应用进行了讨论,并提出了具体的看法。
The phenomenon that the moisture in the remained capillary tube stands in suspension state after shearing off the lower capillary tube near the water surface of the basin caused by the added pressure from the capillary meniscus is explained by the theory of the capillary added pressure. 根据毛细现象的附加压强理论,解释了剪断毛细管后,管中剩余的水分处于悬浮状态这一现象;
Different pretreatment process can differently affect fabric style such as drawing linearity, elastic resilience, bending rigidity, shearing characteristic, compression work, surface roughness, bulkiness etc. 而不同的前处理加工对织物风格如拉伸线性度、回弹性、弯曲刚度、剪切特性、压缩功、表面粗糙度、膨松性等影响各异。
The reason for this phenomenon is that normal force in direct shearing tests is not usually vertical to the shear force ( shear surface) to lead to the change in stress state in samples, as a result, higher shearing strength than triaxial shearing strength is obtained. 分析其原因,在于直剪实验中法向力与剪切力(剪切面)不垂直,使试样的应力状态改变,从而导致直剪实验获得的岩土体抗剪强度指标偏高。
Combining the shearing interference technique with microscope interference technique, we proposed a shearing microscope interferometry for the measurement of surface roughness profile. 结合剪切干涉技术与显微干涉技术,提出了显微剪切干涉非接触表面粗糙度轮廓测量方法。
The analysis of upper-bound method in the study of the shearing surface, I, e, the boundary surface between the deformed and undeformed zones in the axisymmetric die forging, is presented in this paper. 用上限法研究了轴对称模锻最终阶段变形域与未变形域间边界,即所谓剪切曲面的形状。
The peak shearing strength on treated joint surface is higher that untreated; 层面处理比不处理抗剪断峰值强度要高;
During manufacturing semisolid Al-Mg based alloy by rheocasting of incline cooling and shearing, melt alloy heterogeneously nucleated on the incline-cooling plate surface and was sheared under the gravity force, and alloy microstructure gradually evolves from big net-work composed of equiaxed dendrites to small spherical grain. 倾斜式冷却剪切流变制备半固态AlMg合金过程中,合金在冷却板表面非均匀形核,并受到重力的剪切作用,合金组织逐渐从粗大等轴晶网络演化为细小的球形晶;
A processing method of radial shearing interferogram is presented. The wave surface is directly fit by a series of perfect orthogonal Zernike polynomial defined in a unit circle in the use of least square method. 提出一种径向剪切干涉图的处理方法,利用最小二乘法以一定义在单位圆上的完全正交的Zernike多项式系列来直接拟合波面。
We found that the shearing fracture of the GrFRP appeared in the surface layer of the graphite fiber. 我们认为:GrFRP的层间剪切破坏主要发生在GrF的外表面层中。
When t/ a is bigger than 0.1, the maximum shearing stress at the coating surface is comparatively beneficial for enhancing the fatigue life of bearings. 当t/a>0.1时,涂层表面上的最大剪应力对提高轴承疲劳寿命较为有利;
From the digital correlation analysis, we obtain max shearing strain figure and displacement vector graph on coal surface. 通过数字相关分析得到煤体表面最大剪应变图和位移矢量图。