Objective: Advances in medical oncology, surgical technique, and prosthesis design have considerably increased the longe......

The structure factors of any crystal structure can be simulated from its atomic coordinates (and temperature factors) in......

《关于费尔巴哈的提纲》在马克思主义发展史上具有不可替代的作用和地位,是公认的重要历史材料和理论文献。《提纲》有两个版本：一......