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 ...

Core i7-12700K vs Ryzen 9 5900X l 1080p Ad - 0:00 Games: Forza Horizon 5 - 0:15 Red Dead Redemption 2 - 1:33 cyberpunk 2077 - 2:24 Death Stranding - 3:39 pubg - 4:26 Hitman 3 - 5:32 Microsoft Flight ...

Core i9-12900K vs Ryzen 9 5900X l 1080p Ad - 0:00 Games: Assassin's Creed Valhalla - 0:06 Hitman 3 - 1:09 cyberpunk 2077 - 2:09 CS:GO - 3:23 Death Stranding - 4:31 Shadow of the Tomb Raider - 5:27 ...

针对电催化水处理中阳极材料效率低、稳定性差的问题，研究人员开展了钬(Ho)掺杂PbO2电极的改性研究。结果表明，2.5% Ho掺杂 ...

Verdict: The AMD Ryzen 9 5900X Desktop Processor stands out with its . Designed for users who demand the best from their devices, AMD Ryzen 9 5900X Desktop Processor delivers top-tier performance, ...

TechSpot is a registered trademark and may not be used by third parties without express written permission. TechSpot is represented by Future PLC. Learn about advertising opportunities.

The AMD Ryzen 9 5900X is a strong 12-core, 24-thread processor that requires a strong motherboard to unleash its entire overall performance. Whether you are a gamer ...

So you have just got your hands on a shiny new AMD Ryzen 9 5900X, but want to know the best motherboard for Ryzen 9 5900X? Fret not, we have got you covered. AMD’s Ryzen 5000 series processors brought ...

The holiday season is always my favorite to upgrade my gaming rig. Whether it is a gaming accessory or a core device upgrade, you always get something for a massive discount. Well, it seems Amazon ...

GEEKOM IT15 AI Mini PC Intel® Core™ Ultra 9 285H GEEKOM IT13 2026 Edition Mini PC 13th Gen Intel® Core™ i9-13900HK GEEKOM IT12 Mini PC 12th Gen Intel® Core i7-1280P GEEKOM Mini IT11 11th Gen Intel ...