School of Engineering, Westlake University, Hangzhou 310024, Zhejiang Province, China School of Materials Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, China ...

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Chinese scientists proposed a novel imine-to-olefin transformation strategy to synthesize single-crystal sp² carbon-linked covalent organic ... into the molecular structures, fundamental ...

The team believes that the structure was in use until the 8th century BCE, the middle of the period when the Kings of Judah ruled. A scarab seal from the 8th century BCE uncovered during the ...

Earth's inner core may actually have two distinct layers. (alexlmx/Canva Pro) "We found evidence that may indicate a change in the structure of iron, which suggests perhaps two separate cooling events ...

加密货币是一种数字形态的货币。他们属于数字资产，可用于购买商品和服务。加密货币也可储存价值、记账和作为交换中介。分布式账本(又称“区块链”)保障了这种数字资产的安全。第一个加密货币是比特币，中本聪(假名)创造了这种加密货币，并在2009年 ...

These insights significantly contribute to our understanding of energy transport in COFs and show how the molecular structure and organization in the crystal ... in 2D Covalent Organic Framework ...

LOS ANGELES (AP) — More than 10,000 structures, many homes, have burned in Los Angeles area wildfires, officials say.

Geophysicists have discovered unexpected structures deep within the Earth’s mantle, resembling subducted tectonic plates in areas where no subduction should have occurred, using a new high-resolution ...