受压

Okubo,the stress distribution in a circular disk maked of fiber-reinforced photoelastic composite under diametrical compression is investigated.

本文根据Okubo的各向异性分析，对纤维增强光弹性复合材料制成的对径受压圆盘进行了研究，在此基础上提出了采用一个对径受压圆盘测定光弹性复合材料三个条纹值f_L、f_T、f_

Compression of nerve roots often produces objective sensory changes early, with paresthesia and loss of sensating detectable in the affected dermatome.

神经根受压常很早即产生客观的感觉变化，在受影响的皮节区有感觉异常及感觉缺失，神经根持续受压，可发生运动肌无力，若累及腰4神根，可见膝腱反射减弱和轻度股四头肌无力，小腿肌肉感觉减退。

Compre ion of nerve roots often produces objective se ory changes early, with paresthesia and lo of se ating detectable in the affected dermatome. With continued root compre ion. Motor weakne may develop. With involvement of the L4 root, the patellar tendon reflex may be diminished and slight quadrice weakne may be o erved.

神经根受压常很早即产生客观的感觉变化，在受影响的皮节区有感觉异常及感觉缺失，神经根持续受压，可发生运动肌无力，若累及腰4神根，可见膝腱反射减弱和轻度股四头肌无力，小腿肌肉感觉减退。

However, the intravenous pressure of left common iliac vein kept intact in control group and the group gauge 6#.

用5＃针头辅助作部分髂静脉结扎，是模拟人左髂总静脉受压的最佳选择：静脉受压后血流动力学的改变将导致管壁重塑。

The whole process of moment-curvature relationship for RC beam was analyzed with the relative depth of compressive zone of the beam about 0.15 using the strip integral method and computer programme. The relationships between moment and strain of concrete, strain of steel, depth of compressive zone were got.

采用条带积分法，应用计算机编程，对相对受压区高度为0.15左右的钢筋混凝土梁的弯矩－曲率关系进行全过程分析，得出弯矩－曲率关系曲线，并给出弯矩与混凝土应变、钢筋应变及梁的相对受压区高度的对应关系。

Existing literature on the inquiry,collation and analysis,this article had the following major tasks:1st,finite element simulation of the current analytical methods are summarized,and system introduction finite element software ADINA and ANSYS applied in the reinforced concrete built-up section.2nd,system introduction reinforced concrete component material performance as well as reinforced concrete nonlinear analysis main mathematical model. 3rd,the use of ANSYS and ADINA software simply supported beam simulation were compared.4th,uses the ANSYS analysis software,conducted 7 radical center bearing reinforcing steel-side steel pipe concrete short stump simulation test research,the research had indicated the reinforcing steel the existence strengthened the pillar ductility greatly.5th,based on ANSYS,has conducted 2 radical center bearing reinforcing steel-side steel pipe concrete member in bending simulation test research.

通过对现有文献的查询、整理及分析，本文进行了以下主要工作：1、对目前有限元模拟分析方法进行了总结，并系统的介绍了有限元软件ADINA和ANSYS在钢筋混凝土组合结构中应用。2、系统的介绍了钢筋混凝土构件的材料性能以及钢筋混凝土非线性分析的主要数学模型。3、利用ANSYS和ADINA软件对简支梁进行了对比模拟分析。4、利用ANSYS分析软件，进行了7根轴心受压钢骨-方钢管混凝土短柱的模拟试验研究，研究表明钢骨的存在大大加强了柱子的延性。5、利用ANSYS分析软件，进行了2根轴心受压钢骨-方钢管混凝土受弯构件的模拟试验研究。

Continuous beam models with spring supports were set up to model end-plate connections. By comparing the results from tests with those from model analysis, the following conclusions can be drawn: during loading process, the neutral axis moves from the centroid axis to compression zone, not exceeding the center line of bolts inside the compression flange; ultimately, the tension flange and end-plate can be simplified as T-stub on the assumption that the axial forces of bolts in tension zone are equal to each other.

理论计算系建立带弹性支座的连续梁模型模拟端板连接，将模型计算结果与试验结果比较分析，结果表明：加载过程中，螺栓群中和轴逐渐从其形心轴向受压区移动，但不超过受压翼缘内侧螺栓中心线；极限状态下，受拉翼缘和端板可简化为等效T型件。

In the experimental study, 12 joints tests are completed, including 5 uniplanar X joints loaded with axial forces, 3 uniplanar X joints loaded with in-plane bending, 4 multiplanar XX-joints loaded with axial forces, with the emphasis on the influence of β and the existence of the out-of-plane braces, of which the multiplanar XX-joints tests is the first experiment project in china.

试验重点研究节点支主管宽度比β以及平面外支管荷载等因素对节点性能的影响，共进行了3个足尺方管平面X型受压节点，3个足尺方管平面X型受弯节点、2个方、圆管杂交平面X型受压节点和4个足尺方管空间XX型节点试验，其中方管空间XX型相贯节点试验是国内的首次试验。

The web perforation can provide space for electrical conduits and bracing. Therefore, it has the meanings and motive for the study of C-shaped section with web openings. The strength of a compression member can be influenced by the section shape, thickness of section, length of member, and support condition.

不过，构材之厚度、加劲与未加劲、是否开孔、上下两端之接合方式，皆会影响受压构材之抗压能力，所以目前先针对C形断面构材的开孔与否及上下两端之接合方式，分别以两种尺寸来讨论，并藉由有限元素分析软体ANSYS 6.0版，来模拟构件受压时，断面的应力分布情形。

The tracheas were pressed by nodular goitres in 25 patients, and the blood vessels and esophagus were pressed in 29 and 5 patients, respectively. Surrounding organs invaded were not detected in any patients.

引起气管不同程度地狭窄者25例，血管受压移位29例，食道受压移位者5例，无1例周围组织受侵犯。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。