The following stress-strain curves were obtained for dif- ferent materials subjecting the specimen to the loading path(a, b, c, d ). Which one(s) of them correspond to elas- tic material(s)

For the uniform state of plane strain shown in the fig ure,which one(s) of the following statement(s) is(are valid?(Assume Poisson's ratio v+0)

Concept Question Consider the following simple displacement field

We seek to characterize the local state of deformation of the material in a neighborhood of a point P. Consider two points P and Q in the undeformed

The following expression is the right statement of linear momentum balance for a deforming body of an arbitrary material

not repeated in the same additive term where the index appears. Free means that the index represents all the values in its range Latin indices will range from 1 to, (i,j, k

5.1 基本原理 5.3 傅立叶变换红外光谱仪 5.4 定性分析

一、定义及特点 二、离子交换剂的种类和性质 三、基本理论 四、基本操作 五、应用

一、前言 二、基本参数 三、薄层层析的操作 四、特殊的薄层 五、应用举例

一、纸色谱法的基本理论 二、几种特殊类型的纸色谱法 三、应用举例