搜索结果: 1-15 共查到“国际动态 理学 fast”相关记录31条 . 查询时间(0.132 秒)
Discovery reveals a reversible magnetic field around a fast radio burst for the first time
快速射电暴 可逆磁场 无线电波闪光
2023/5/15
An international team of researchers has revealed new evidence on the nature of mysterious fast radio bursts (FRBs) – objects in space that produce brief, intense flashes of radio waves from distant g...
Russia's Rosatom and China's Atomic Energy Authority (CAEA) have signed a Comprehensive Programme for Long-Term Cooperation in the field of fast-neutron reactors and closing the nuclear fuel cycle.
A rare and persistent rapid-fire fast radio burst source – sending out an occasional and informative cosmic ping from more than 3.5 billion light years away – now helps to reveal the secrets of the br...
How fast is the universe expanding? Galaxies provide one answer（图）
universe expanding Galaxies answer
2021/4/9
Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but along with more precise data comes a conundrum. Estimates based on measurements in our current universe d...
Fast-warming Arctic transitioning to new climate state（图）
Fast-warming Arctic transitioning new climate state
2020/9/25
The fast-warming Arctic has started to transition from a predominantly frozen state into an entirely different climate, according to a comprehensive new study of Arctic conditions.Weather patterns in ...
Future Texas hurricanes: Fast like Ike or slow like Harvey?（图）
Texas hurricanes Fast slow Harvey
2020/7/17
In the final 25 years of this century, changes in climate will intensify winds that steer hurricanes north over Texas, increasing the odds that Texas will see more fast-moving storms like 2008's Hurri...
Light-activated 'CRISPR' enables fast, precise gene editing and detection of DNA repair（图）
Light-activated CRISPR enables fast precise gene editing detection DNA repair
2020/7/3
In a series of experiments co-funded by the National Science Foundation, scientists at Johns Hopkins have used light as a trigger to make quick, precise cuts in the genomic material of ...
Research expedition faces extreme conditions in fast-changing Arctic
Research expedition extreme conditions fast-changing Arctic
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
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...
Researchers find new reason why Arctic is warming so fast（图）
new reason Arctic warming so fast
2020/2/28
The Arctic has experienced the warming effects of global climate change faster than any other region on the planet. Scientists at the Scripps Institution of Oceanography have developed a new theory ai...
Blue sharks use ocean eddies as fast-tracks to food（图）
Blue sharks ocean eddies fast-tracks food
2019/10/21
Blue sharks use large, swirling ocean currents known as eddies to fast-track their way to food in the twilight zone -- a layer of the sea between 200 and 1,000 meters deep, according to new research b...
Ultra-fast communication allows aquatic cells to release toxins in unison（图）
Ultra-fast communication aquatic cells release toxins
2019/10/23
Crouching in the boot-sucking mud of the Baylands Nature Preserve in Palo Alto, bioengineer Manu Prakash of Stanford University peered through his Foldscope -- a $1.75 origami microscope of his own in...
Fast Radio Bursts ‘Twists And Shouts’ Help Scientists Determine Source Of Cosmic Blasts
Fast Radio Bursts Twists Shouts Scientists Cosmic Blasts
2018/1/31
An international group of astronomers has found that the Cornell University-discovered fast radio burst FRB 121102 – a brief, gigantic pulse of radio waves from 3 billion light years away – passes thr...
Research shows ice sheets as large as Greenland’s melted fast in a warming climate（图）
ice sheets as large as Greenland’s melted fast warming climate
2017/11/24
New research published in Science shows that climate warming reduced the mass of the Cordilleran Ice Sheet by half in as little as 500 years, indicating the Greenland Ice Sheet could have a similar fa...
New Bioimaging Technique Is Fast and Economical（图）
New Bioimaging Technique Fast Economical
2017/9/5
A new approach to optical imaging makes it possible to quickly and economically monitor multiple molecular interactions in a large area of living tissue – such as an organ or a small animal; technolog...