分析煤样

分析煤样氧化自燃生成产物的红外3D光谱图谱，应用量子化学密度泛函（DFT）理论计算方法对构建的煤分子化学基本结构单元进行了优化，得到了分子构型参数和振动频率。

Based on that , the vibration frequency and the parameters of molecule structure were gained while optimizing the basal chemical structure cell of coal molecule by quantum chemical DFT method according analyzing the 3D infrared spectrum figures .

粘结指数分析煤样制备方法的改进

Improvement preparation of coal sample for adhesion index

基于广义有效应力原理的混凝土坝分析煤样渗透率对有效应力敏感性实验分析

Analysis on concrete dams based on the concept of generalized effective stress Coefficient of sensitiveness between permeability and effective pressure of coal samples

基于在伺服试验机对煤样的常规三轴压缩和三轴卸围压试验，分析了煤样在不同应力条件下的强度和变形特征。

The pseudo-triaxial compression tests and confining pressure reduction tests were carried out for coal specimen strengths in different stress on servo-controlled testing machine .

然后，分析了煤样反应罐在测试炉的不同摆放位置对测试炉内部温度场分布的影响，从而确定其相对较优的摆放位置。

In addition , also analyze the influence of different location of coal sample reaction tank in the test furnace for testing the distribution of furnace temperature field .

采用TGFTIR联机实验方法，对不同煤样进行了热重分析，同时对煤样的析出产物进行红外光谱实时跟踪检测；

The Thermogravimetric ( TG ) analysis on several kinds of coal were carried out by TG & FTIR analysis method . The volatiles were evaluated by FTIR on real time .

测试分析结果表明：煤样中定向排列的裂隙存在产生明显的速度各向异性、横波分裂和衰减各向异性。

According to ultrasonic testing results , Velocity anisotropy 、 shear wave splitting and attenuation anisotropy are caused by the existence of directional arrangement of fractures in the coal samples .