搜索结果: 1-15 共查到“理学 world”相关记录301条 . 查询时间(0.203 秒)
World ‘way off track’ from climate goal, Kerry says（图）
气候 偏离轨道 全球能源
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2023/6/19
The push to keep the rise in global temperatures to 1.5 degrees Celsius is doomed unless world leaders take significant near-term action to cut greenhouse gas emissions, U.S. Special Envoy for Climate...
How will the world end? Possibly with a belch, not a whimper.（图）
恒星 吞噬行星 天体物理
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2023/6/19
When a star swallows a planet, does it belch? Leave crumbs? Get bigger? No one could say for sure because no one had witnessed it — until now.
On the eve of Earth Day, Brown climate scientist outlines solutions for a warming world（图）
气候科学 全球变暖 气候变化
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2023/6/26
Kim Cobb, a Brown University professor and director of the Institute at Brown for Environment and Society, spoke about the need to act on climate change, urging that action must be taken collaborative...
CERN marks the second World Quantum Day（图）
欧洲核子研究中心 世界量子日 量子力学
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2023/5/25
CERN joins in the celebrations on 14 April involving scientists from more than 65 countries.
In a warming world, chief heat officers help adapt, prepare, and protect（图）
Perry World House Penn Global Climate Change Urban Planning Energy Policy Public Health
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2023/6/29
Temperatures worldwide have increased on average by more than 1 degree Celsius since pre-industrial times. And some cities are running a fever.
Cell Rover: Exploring and augmenting the inner world of the cell（图）
细胞漫游者 3D生物系统兼容 细胞内天线
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2023/6/8
Researchers at the MIT Media Lab have designed a miniature antenna that can operate wirelessly inside of a living cell, opening up possibilities in medical diagnostics and treatment and other scientif...
Relocating farmland to cut carbon emissions amid warming world（图）
全球变暖 农田 碳排放 气候变化
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2023/6/21
The U.N.’s Intergovernmental Panel on Climate Change suggested in a recent report that with every degree of warming, global agricultural production will be reduced by 10 to 25 percent, threatening the...
Mathematician reveals world’s oldest example of applied geometry
land survey Creating right angles Si.427 trigonometric function
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2021/8/10
A scientist has revealed that an ancient clay tablet could be the oldest and most complete example of applied geometry. The surveyor's field plan from the Old Babylon period shows that ancient mathema...
Overfishing and other human pressures are severely harming many marine protected areas around the world, study finds
ecological destruction edge effect marine conservation areas MPA
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2021/8/11
A new study points to a strong 'edge effect' in marine protected areas (MPAs), sharply reducing by 60 percent the fish population living up to 1 - 1.5 km within the MPA. This significantly diminishes ...
Physicists uncover secrets of world’s thinnest superconductor（图）
超导体 原子薄材料 自旋激发
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2023/6/7
Physicists from across three continents report the first experimental evidence to explain the unusual electronic behavior behind the world’s thinnest superconductor, a material with myriad application...
Earth may have been a water world 3 billion years ago（图）
地球 地球内部 气候学
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2023/6/25
In 1995, Universal Studios released what was, at the time, the most expensive movie ever made: “Waterworld,” a film set in the distant future where the planet Earth was almost completely covered in wa...
Road salts are threatening world's freshwater supplies（图）
Road salts threatening world freshwater supplies
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2021/4/23
When winter storms threaten to make travel dangerous, people often turn to salt, spreading it liberally over highways, streets and sidewalks to melt snow and ice.However, a new study led by Sujay Kaus...
World's oldest DNA reveals how ice age mammoths evolved（图）
World oldest DNA ice age mammoths evolved
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2021/3/5
An international research team has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The results are published in the journal Nature.The analyses,...
Researchers discover an immense hydrocarbon cycle in the world's ocean（图）
immense hydrocarbon cycle world's ocean
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2021/3/5
Hydrocarbons and petroleum are almost synonymous in environmental science. Oil reserves account for nearly all the hydrocarbons we know. But the few hydrocarbons that trace their origin to biological ...
中国科学院上海高等研究院的两项成果连续被英国物理学会Physics World杂志报道（图）
中国科学院上海高等研究院 英国物理学会 芳香族多肽 富含芳香环材料
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2020/12/28
2020年，上海高研院基础交叉研究中心（上海光源in-house研究团队）杨海军副研究员的两项成果连续被世界领先的物理学杂志Physics World专题报道。这些工作最初发表于Chinese Physics Letters（CPL）的Express Letters栏目，题目分别为“Controlling the Coffee Ring Effect on Graphene and Polymer...