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 ...

In this video, we will understand in detail what is Momentum Optimizer in Deep Learning. Momentum Optimizer in Deep Learning is a technique that reduces the time taken to train a model. The path of ...

You may experience pain, discomfort, and infection with a curled toenail. Ingrown toenails are common and often affect your big toe. Emergency care may be needed if you notice red streaks on your ...

AMD has made a “refined” version of its Ryzen 7 9800X3D – currently the best gaming CPU you can buy – official. The new Ryzen 7 9850X3D is the “new fastest gaming processor,” says AMD, with a 400 MHz ...