Complex particles which had bedded structure were formationed when the time was 8h the concentration of Si atom was gradient distribution .

球磨8h时，混合粉末形成具有 层状 结构的复合粒子，Si原子浓度在复合颗粒中呈梯度分布。

To the structure characteristic of bedded rock of coal measures this paper puts forward the concept of lithological characters weak structure and weak structure body ;

针对煤系地层 层状岩体结构特征，提出了岩性弱 结构与弱结构体的概念；

The discrete element simulation showed the bedded roof of the mining gateway supported with bolts was in a combined jointed arch structure .

离散元模拟表明锚杆支护回采巷道 层状 结构顶板 形成组合铰接拱 结构，锚杆支护 机理 相应 称为组合铰接拱作用。

Based on the conception of non-linear seismic bedded structure the resolution characterizing detectability of a thin bed has been investigated by way of theoretical calculations and synthetic seismogram which are compared with the ultra-sonic model experiment .

本文以非线性地震 层状 构造理论为基础，对薄层分辨率进行了研究，研究中采用理论计算和合成地震记录，并用超声地震模型试验加以验证。