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)
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
2023/6/26
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
2023/6/29
Mathematician reveals world’s oldest example of applied geometry
land survey Creating right angles Si.427 trigonometric function
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
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 ...
Road salts are threatening world's freshwater supplies(图)
Road salts threatening world freshwater supplies
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
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
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 ...
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...