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In addition, some experience formulas for them are regressed. The third chapter establishes a unified S-N curve equation to calculate multi-axial fatigue ultimate strength of concrete considering both the effect of confinement and minimum/maximum stress ratio, based on the triaxial fatigue test data in this paper and the test results under uniaxial and biaxial fatigue loading in previous literatures. Moreover, the consistency of calculating condition fatigue ultimate strength with fatigue life distribution and initial ultimate strength distribution is analyzed.

第二章简要地介绍了本文三轴疲劳试验装置，进行了两向等侧压约束下混凝土立方体试件三轴受压等幅和变幅疲劳试验，分析了三轴受压疲劳破坏机理，给出了相应的疲劳破坏试验判断标准；得到了混凝土在两向侧压约束下单级和多级受压疲劳的变形发展规律，包括最大纵向应变、残余应变、最大纵向应变率和疲劳变形模量等随循环次数的发展规律以及疲劳损伤的演变规律，并给出了相应的经验公式。

In the following section, the realization mechanism of memory distribution and bootcode of Microcontroller AT91M40800 is introduced, and the memory distribution file is written in order to define the address mapping relationship of software code and data during loading and running.

在操作系统平台建立之后，文章研究了AT91M40800的内存分配以及启动代码的实现机制，并编写了scatter内存分配文件，以定义本系统软件代码和数据在程序加载和运行过程中的地址映射关系。

In this dissertation, the mechanical behavior of the metal adhesively bonded composite joints under loading have been systematically investigated by numerical calculation methods and experiments, and effects of shape dimensions and physical parameters of joints on stress distribution and strength of adhesively bonded joints have been placed emphasis upon.

本文在对国内外关于金属-胶层复合材料接头力学性能数值研究及发展现状进行综述的基础上，运用有限元法并结合实验手段主要研究了胶接接头承载后的力学行为，综合考虑了几何尺寸和物性参数对接头强度和应力分布的影响，并运用层次分析法对胶接质量进行综合评估，综合考虑接头形式，制造工艺，操作人员素质等因素的影响。

As the foundation of ultrasonic testing of composite materials, this thesis is intended to explore in detail a number of features of wave propagation in anisotropic plates, and the following essential problems will be considered:(1) Propagation of plane bulk waves in homogeneous and orthotropic anisotropic media;(2) Lamb wave propagation in multilayered anisotropic plates;(3) Influence of isotropic solid or liquid loading on Lamb wave propagation in anisotropic solid media;(4) Influence of interface layers on Lamb wave propagation in layered anisotropic composite laminates;(5) Dispersion characteristic analysis of attenuation Lamb wave while existing an thin viscous layer which is used for simulating the poor curing in adhesively bonded joints.

作为复合材料超声检测的基础，本文研究了如下国际前沿性的课题：（1）平面体波在正交均匀各向异性媒质中的传播；（2）多层各向异性媒质中Lamb波的传播；（3）各向同性固体或液体负载对各向异性固体媒质中Lamb波传播的影响；（4）界面层对层状各向异性复合媒质中Lamb波传播的影响；（5）胶粘剂未固化而呈现粘弹性时粘接结构中衰减Lamb波的频散特性分析。

The stress distribution of adhesively-bonded metal/metal single lap joints under tensile shear loading is analysed using elastic-plastic finite element method .The influence of lap length on the strength of adhesively bonded metal joints which are bonded with phenolic resin and acrylic resin respectively is discussed in detail. It is shown that adhesive has great influence on the stress distribution of the lap region. With the increment of lap length, the stress concentration of adhesive layer decreases.

本文在对国内外关于金属-胶层复合材料接头力学性能数值研究及发展现状进行综述的基础上，运用有限元法并结合实验手段主要研究了胶接接头承载后的力学行为，综合考虑了几何尺寸和物性参数对接头强度和应力分布的影响，并运用层次分析法对胶接质量进行综合评估，综合考虑接头形式，制造工艺，操作人员素质等因素的影响。

Considering the reservoir's function as drinking water source and the technical and economic feasibility, phosphate control standard and admissible loading were calculated.

采用营养盐负荷与湖中响应模型对深圳水库中营养状态响应结果进行参数率定，其水库规划模型的预测值与深圳水库的实测值较为接近，结合水库的饮用水功能及技术经济可能性，计算了深圳水库富营养化磷盐控制标准及允许负荷。

To increase the solution temperature, the loading of TiO〓 and the light intensity advisably has advantage to the increase of reaction rate.

在反应条件中，存在一个最佳pH值，提高温度、TiO〓用量及光强均对提高反应速率有益。

1 Are components stored before loading and after unloading in a manner which prevents damage?

4.1组分被存放在装货之前和在防止损伤有些的卸载以后？

Means of delivery shall be cleaned and sterilized before loading and after unloading in a timely manner.

运载工具在装载前和卸载后应当及时清洗、消毒。

If you fall into the same trap that Air Progress did and take the gross weight of the aircraft divided by the projected wing area, you'll come up with a wing loading of about sixty-five pounds per square foot.

如果你犯了与《航空发展》相同的错误用飞机的总重量除以相应的机翼面积，你会得出每平方英尺65磅的翼载荷。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样