Anyone with an older phone that’s currently connected to the O2 network needs to upgrade immediately. The popular UK provider has just issued a final warning, and ignoring it could leave some without ...

O2 is the last network that still operates a 3G network, with the other UK mobile operators already having decommissioned their 3G service so they can re-deploy the spectrum to be used for 4G and 5G ...

该研究通过稳态测量、原位红外光谱和DFT计算，揭示了不同尺寸（1.8 nm和11.8 nm）PdχAu催化剂表面Pd原子的分布与反应性能的关系。结果表明，小尺寸催化剂因Pd原子暴露度更高、表面重构更显著，表现出更强的H2O2选择性及反应速率，且Pd-Au合金的电子结构和几何 ...

The NBA stars return to the UK this January and you could be there to witness all the thrills and spills London’s O2 Arena may be staging its 10th NBA regular season game in the new year (Sunday, ...

Oxygen is the second most abundant element in Earth's atmosphere. Although critical for aerobic respiration, it also poses significant dangers to life. The reduction of molecular oxygen to water by ...