Effect of Sprint Training on Cross-sectional Area 、 Modulus of Elasticity and Stiffness of Human Achilles Tendon in Vivo 短跑训练对人体跟腱横截面积、弹性模量和刚度的影响
Based on obtained area fraction of interfacial transition zone ( ITZ), a three-phase composite circle model is presented in this paper for anticipating the elastic modulus of concrete. 基于所获得的界面面积分数,提出了混凝土弹性模量预测的三相复合圆模型。
For the coating with two layers, the maximum circumferential stress is larger in the area with the larger elastic modulus. 对于双层结构的涂层,弹性模量大的区域中的最大周向应力大;
Using Rainfall runoff Relationship of Small Plain Area to Calculate the Field Drainage Modulus 利用平原区小流域降雨径流规律推求田间排涝模数
The irrigation area irrigates the modulus certain questions and ponders 灌区灌水模数的若干问题及思考
The rivers running across large area with emergence of mesozoic and tertiary stratum usually have high sediment concentration and large modulus of erosion. 穿过有大面积中生界和第三系地层出露地区的河流,其含沙量高,侵蚀模数大。
With the large area and high standard ecological environment construction of the small watershed, the sediment transport modulus had been obvious decreased in small watershed in 1990 to 2004.There is the obvious decrease effect of the in sediment transport in vegetation recovery and rebuilding. 随着小流域大面积、高标准的生态环境建设,1990年至2004年间小流域的输沙模数呈锐减之势,植被恢复与重建起到了显著的减沙效应。
Area Fraction and Percolation Threshold of ITZ in Concrete and Application(ⅱ)& Prediction of Elastic Modulus 混凝土界面面积分数和渗流阈值与应用(Ⅱ)&弹性模量预测
In an area, reflection amplitude depends on velocity and density, which depend upon the porosity and elastic modulus of rocks. 一个地区的油气层的反射振幅大小是由该区的速度和密度决定的,而这两种物性又取决于岩石的孔隙度和弹性模量。
Its producing area, exposed to the sun and measurement mode had a marked effect on bending strength, but affected modulus of rupture indistinctively. 毛竹的产地、生长朝向和测量方式均对弯曲强度影响较大而对弯曲模量影响则较小。
The restraint function of the foundation on the dam body relate to its own rigidity character, so, stress situation in the strong restraining from area of dam body that is near the bottom of the dam will be influenced by foundation elastic modulus. 地基对坝体的约束作用,与其本身的刚度特性有关,所以,坝底附近也就是坝体强约束区的应力情况要受到地基弹模的影响。
The paper presents estimation of geometrical characteristics of the hull girder sections, accounting for uncertainties in plate thickness, longitudinal section area, position of members and elastic modulus of material. 考虑到船舶结构的型材面积、板厚、构件位置和材料弹性模量中不确定因素的影响,介绍了船体梁剖面要素变异性计算。
The proposed expression had overcome the difficulty in three-dimensional photoelastic stress analysis calculation, which simulated the ground stress fields of the mine area with variable modulus of elasticity. 本文提出的剪应力差法界面点初值表达式,解决了对矿区地应力场进行变弹性模量三维光弹性模拟分析计算中所存在的困难。
The study on regional distribution, area and sediment yield of different modulus of sediment transport provides a support to decide the coarse sand concentrated coming area. 研究不同输沙模数级的区域分布、面积及产沙量,为粗泥沙集中来源区界定提供支撑。
Second, according to characteristics of singular points in frequency area, using modulus maximum value of wavelet transform to find out singular points in reflected signals, and then realize automatic detection of cavities in roadbed by singular points and similitude degree. 然后根据回波信号中的奇异点在小波变换频域中的特征,利用小波变换模极大值检测回波信号中奇异点,根据提取出的特征点和相似度实现对路基脱空的自动检测。
The optimum rheological model of rock mass in the test area was given, and the instantaneous elastic modulus, long-term elastic modulus, viscoelastic modulus and viscoelastic coefficient were obtained by in-situ rheological load test curves. 分析了岩体流变荷载试验曲线,给出了能反映试验区域内岩体变形规律的最佳流变模型,反演获得了试验区域内岩体的瞬时弹性模量、长期弹性模量、粘弹性模量和粘弹性系数。
The computer simulation methods were employed to analyze the influences applied to dynamic characteristics of speed control hydraulic circuit due to the different open area of throttle valve and the parameter value change of oil modulus of volume elasticity. The computer simulation results were given. 应用计算机仿真的方法,研究了节流阀开口度的不同和油液体积弹性模量值的改变对进油节流调速回路动态特性的影响,给出了仿真结果。
Measurement of a single carbon fiber cross-section area and axial young's modulus by ser 静电共振法测定碳丝横截面积和轴向模量研究
The main indexes, which were farming population, forest coverage, public benefit forest compensate, average consumption, forest-protecting area, forest land erosion modulus, mean erosion modulus and degenerating area proportion, were determined. 利用主成分分析方法确定系统预警的主要指标,它们分别是库区农业人口、森林覆盖率、公益林经济补偿、人均消费、森林保护面积、林地侵蚀模数、库区平均侵蚀模数和退化面积比;
Fiber Reinforced Plastics ( FRP) is widely used in aerospace industry, automobile area and civil engineering, owing to its excellent properties, such as high specific strength and modulus and its designability. 纤维增强复合材料(FRP)由于其优越的材料性能,在航空航天、汽车、土木工程等领域得到越来越广泛的应用。
The main results were as follows: 1. The moisture content in the selected area, the dynamic characteristics was correlation with resonant frequency, stress wave velocity and dynamic modulus of elasticity. With the decrease of moisture content, the dynamic characteristics showed a linear increase. 主要研究结论如下:1.在所选取的含水率范围内,其与共振频率、应力波传播速度和动弹性模量强相关,随着含水率的减小,动态特性参数均呈现线性增加。
Distinguish the positions stuck PU strips in the die cutting printing plate into places of small area flotsam, common steel knife and box-type main body joint. Analyze separately the compressive modulus which is needed in every situation and get the relevant mathematics model. 将模切版中需要黏贴PU弹垫的位置区分为小面积废料处、普通钢刀处和盒型主体拼接处三种情况,分别分析了每种情况下需要的压缩模量,得出相应的数学模型。
With the increasing of cross sectional area, the elastic modulus increases, but yield stress and corresponding yield strain decrease. 随着截面尺寸的增加,弹性模量变大,屈服应力及相应的屈服应变减小。