The best gaming CPU used to be one of the most hotly contested titles in the industry, but as things currently stand, AMD sweeps the board in all categories. It's not that Intel's chips are bad, it's ...

The best gaming PC is a thing I've been wrestling with since I came back to PC Gamer many years ago. It's impossible to test every single configuration and maker of gaming PC that is on offer, and so ...

本研究针对传统辐射防护材料（如铅、混凝土）存在的毒性、不透明及机械性能不足等问题，开展了B2O3-PbO2-BaO-CaO-Sm2O3玻璃系统的设计研究。通过调控Sm2O3含量（1-4 mol%），发现玻璃密度提升至4.388 g/cm3，质量衰减系数（MAC）在0.122 MeV达1.264 cm2/g，半值层（HVL）低至 ...