文：郭楚妤编辑：cc孙聪颖TikTok 原本看似被封死的前路，再度出现了转机。当地时间 2 月 3 日，美国总统特朗普签署了一项行政命令，正式宣布启动美国历史上第一个主权财富基金的创建计划。这一举动在经济领域掀起波澜，也为 TikTok 的未来发展带来了新的 ...

MXene 作为一类新兴的二维过渡金属碳化物或氮化物 ... 如 X 射线衍射（XRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）、能量色散 X 射线光谱（EDS）、X 射线光电子能谱（XPS）、X 射线吸收光谱（XAFS）、电子自旋共振（ESR）等，对材料的结构、形貌、元素 ...

Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, People’s Republic of China Hefei National Laboratory for Physical Sciences at ...

IPC Indice de Precios Y Cotizaciones 52,926.31 108.56 0.21% ...

After hours: February 7 at 7:51:10 PM EST Loading Chart for ED ...

The Chronicle is tracking higher ed’s dismantling of diversity, equity, and inclusion efforts. As colleges make changes in response to anti-DEI legislation and mounting political pressure, an ...

A budgetary shortfall may feel like a rainy day, making it tempting to tap state reserves. But the real storm clouds are on the horizon.

DSc — Materials Engineering, National Academy of Sciences, Ukraine, 1995 PhD — Physical Chemistry, Kiev Polytechnic, Ukraine, 1986 MS — Metallurgy, Kiev Polytechnic, Ukraine, 1984 (with Honors, 5.0 ...

The Trump administration’s attack on the key foreign aid agency undermines U.S. influence, pleases autocrats in Russia and China, and could help Tesla’s overseas business.