搜索结果: 1-15 共查到“before it strikes”相关记录24条 . 查询时间(0.163 秒)
How asteroid, comet strikes may have delayed evolution of atmosphere（图）
小行星 彗星撞击 大气科学 高层大气物理学
2023/6/21
Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth’s weather could often be described as cloudy with a chance of asteroid.
Back then, it was not uncommon for asteroids or com...
Mars rovers safe from lightning strikes, research finds（图）
Mars rovers safe lightning strikes
2021/3/5
If experiments done in small bottles in a University of Oregon lab are accurate, the friction of colliding Martian dust particles is unlikely to generate big electrical storms or threaten newly arrive...
Lightning strikes more than 100 million times per year in the tropics（图）
Lightning strikes 100 million times per year tropics
2020/7/31
Scientists at the Smithsonian Tropical Research Institute in Panama have published dramatic maps showing the locations of lightning strikes across the tropics.Based on ground and satellite d...
Predicting Alzheimer's-like memory loss before it strikes（图）
Predicting Alzheimer's-like memory loss before it strikes
2019/12/6
For someone with Alzheimer's disease, there's no turning back the clock. By the time memory loss and other worrisome signs appear, cognitive decline has already begun.Now, NSF-funded researchers at Gl...
Learning strikes again: the case of the DRS signature scheme
Cryptanalysis Lattice based signature Statistical attack
2018/3/29
Lattice signature schemes generally require particular care when it comes to preventing secret information from leaking through signature transcript. For example, the Goldreich-Goldwasser-Halevi (GGH)...
Public key quantum money can be seen as a version of the quantum no-cloning theorem that holds even when the quantum states can be verified by the adversary. In this work, investigate quantum lightnin...
This paper sets new speed records for high-security constanttime
variable-base-point Diffie–Hellman software: 305395 Cortex-A8-slow
cycles; 273349 Cortex-A8-fast cycles; 88916 Sandy Bridge cycles; 8...
We develop a private-information model of union contract negotiations in which disputes
signal a firm’s willingness to pay. Previous models have assumed that all labor disputes take
the form of a st...
What happens when 'Aha!' strikes
Aha! strikes
2015/8/4
Insight--you know the feeling. It's that amazing idea, the solution that hits you like a bolt of lightning. It can come to you while you're mulling over a problem, or days later, when you're making a ...
Wavelet Transform Analysis of Electromyography Kung Fu Strikes Data
Martial arts combat sports Kung Fu EMG wavelet transform impact
2015/4/30
In martial arts and contact sports strikes are performed at near maximum speeds. For that reason, electromyography (EMG) analysis of such movements is non-trivial. This paper has three main goals: fir...
The Effects of Height and Distance on the Force Production and Acceleration in Martial Arts Strikes
Sports acceleration Kung Fu law enforcement combat
2015/4/30
Almost all cultures have roots in some sort of self defence system and yet there is relatively little research in this area, outside of a sports related environment. This project investigated differen...
ORGANIZING, STRIKES, AND LABOR SOLIDARITY IN LATIN AMERICA
ORGANIZING STRIKES LABOR SOLIDARITY IN LATIN AMERICA
2014/5/28
ORGANIZING, STRIKES, AND LABOR SOLIDARITY IN LATIN AMERICA。
Union autonomy and Strikes as Means of Collective bargaining in Germany
Union autonomy and Strikes Means of Collective bargaining Germany
2014/5/28
Union autonomy and Strikes as Means of Collective bargaining in Germany。
Are Drone Strikes Effective in Afghanistan and Pakistan? On the Dynamics of Violence between the United States and the Taliban
time series models conflict
2012/10/17
Strikes by unmanned aerial vehicles, or drones, have been the primary weapon used by the United States to combat the Taliban and Al-Qaeda in Afghanistan and Pakistan. This paper examines the dynamics ...
WHITE DEATH STRIKES AGAIN
WHITE DEATH STRIKES
2010/8/31
Winter usually is a quiet season, with few snowstorms and mostly sunny days, allowing to pasture herds on wide open steppe stretches.