搜索结果: 1-15 共查到“国际动态 extreme”相关记录42条 . 查询时间(0.093 秒)
With new heat treatment, 3D-printed metals can withstand extreme conditions（图）
热处理 3D打印 金属微观结构 燃气轮机 喷气发动机 叶片
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2023/6/6
A new MIT-developed heat treatment transforms the microscopic structure of 3D-printed metals, making the materials stronger and more resilient in extreme thermal environments. The technique could make...
Machine learning, harnessed to extreme computing, aids fusion energy development（图）
机器学习 极限计算 聚变能源开发
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2023/6/21
MIT research scientists Pablo Rodriguez-Fernandez and Nathan Howard have just completed one of the most demanding calculations in fusion science — predicting the temperature and density profiles of a ...
Spectrum reveals extreme exoplanet is even more exotic（图）
光谱显示 系外行星 木星
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2023/5/23
Considered an ultra-hot Jupiter – a place where iron gets vaporized, condenses on the night side and then falls from the sky like rain – the fiery, inferno-like WASP-76b exoplanet may be even more siz...
Extreme melt on Antarctica's George VI Ice Shelf（图）
Extreme melt Antarctica George VI Ice Shelf
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2021/3/12
Antarctica's northern George VI Ice Shelf experienced record melting during the 2019-2020 summer season compared with 31 previous summers of dramatically lower melt, a University of Colorado Boul...
Extreme rainfall projected to become more severe, frequent with warming（图）
Extreme rainfall projected frequent warming
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2020/11/20
Across the continental United States, massive, often-devastating precipitation events -- the kind that climate scientists have long called "hundred-year storms" -- could become three times more likely...
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
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2020/7/10
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
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2020/7/3
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Research expedition faces extreme conditions in fast-changing Arctic
Research expedition extreme conditions fast-changing Arctic
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2020/4/29
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ice and o...
Research expedition faces extreme conditions in fast-changing Arctic（图）
Research expedition faces extreme conditions fast-changing Arctic
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2020/4/26
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ic...
Aerosols have an outsized impact on extreme weather（图）
Aerosols outsized impact extreme weather
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2020/2/20
Scientists have tied a shift in winter weather patterns in Europe and northern Eurasia to a reduction in aerosols -- solid particles polluting the atmosphere from activities such as burning coal.Over ...
Ancient Saharan seaway illustrates how Earth’s climate and creatures can undergo extreme change（图）
Ancient Saharan seaway illustrates Earth climate and creatures extreme change
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2019/10/23
Here be ancient giants.A new paper in the Bulletin of the American Museum of Natural History describes the Trans-Saharan Seaway that existed 50 to 100 million years ago in the region of the current Sa...
Community impacts from extreme weather can shape climate beliefs（图）
Community impacts extreme weather shape climate beliefs
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2019/10/28
Recent studies suggest that people who experience hurricanes, catastrophic flooding or other severe weather events are more likely to believe in, and be concerned about, climate change in the wake of ...
Three Types Of Extreme-Energy Space Particles May Have Unified Origin（图）
Three Types Extreme-Energy Space Particles Unified Origin
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2018/2/1
One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals...
Blame It On The Rain：Study Ties Phosphorus Loading In Lakes To Extreme Precipitation Events（图）
Blame It On The Rain Phosphorus Loading Lakes Extreme Precipitation Events
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2018/2/1
While April showers might bring May flowers, they also contribute to toxic algae blooms, dead zones and declining water quality in U.S. lakes, reservoirs and coastal waters, a new study shows.In the M...
Ammonia Emissions Unlikely To Be Causing Extreme China Haze（图）
Ammonia Emissions Unlikely China Haze
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2017/10/25
As China struggles to find ways to remedy the noxious haze that lingers over Beijing and other cities in the winter, researchers from Georgia Institute of Technology have cast serious doubt on one pro...