在有效质量近似下,通过变分方法研究了束缚于闪锌矿InGaN/GaN量子点中的激子态.详细研究了振子强度和发光波长随InGaN/GaN量子点结构参数和量子点内In含量的变化关系.数据结
新形势下,学生呈现出新的特点与变化,作为具有教书育人职责的教师如何与学生之间构建良好师生关系对提高教学质量具有举足轻重的意义。笔者认为教师应通过塑造自身高尚的人格魅
This paper focuses on the evolution processes of different types of rockbursts occurring in deep tunnels. A series of laboratory tests and in-situ monitoring in
Xiangjiaba hydropower station is one of the cascade power stations on the Jinsha River, China. Due to the complicated geological conditions of its dam foundatio
The paper attempts to represent a case of repeated failures on a high cut slope due to multi-excavation. The characteristics of each failure induced by excavati
To better understand the mechanism of the strength weakening process of soft rocks in deep mines after interacting with water, a self-developed experimental sys