搜索结果: 1-15 共查到“理学 origins”相关记录53条 . 查询时间(0.062 秒)
Study: Without more data, a black hole’s origins can be “spun” in any direction（图）
黑洞 双星系统 黑洞起源
2023/6/9
Clues to a black hole’s origins can be found in the way it spins. This is especially true for binaries, in which two black holes circle close together before merging. The spin and tilt of the respecti...
Yen-Jie Lee probes particle collision data for clues to the universe’s origins（图）
粒子碰撞数据 宇宙起源 粒子物理学
2023/6/9
When Yen-Jie Lee came to MIT as a graduate student in 2006, it was a bit of a culture shock. The aspiring particle physicist had studied physics at National Taiwan University before his career took a ...
Zeroing in on the origins of Earth’s “single most important evolutionary innovation”（图）
地球 进化创新 含氧光合作用
2023/6/21
Some time in Earth’s early history, the planet took a turn toward habitability when a group of enterprising microbes known as cyanobacteria evolved oxygenic photosynthesis — the ability to turn light ...
Scientists link star-shredding event to origins of universe's highest-energy particles（图）
Scientists star-shredding event origins universe highest-energy particles
2021/3/5
A team of scientists has detected the presence of a high-energy neutrino -- a particularly elusive particle -- in the wake of a star's destruction as it is consumed by a black hole.The discovery is a ...
The study of the origin of life occurs at an intersection of chemistry, physics, biology, geology, astronomy, and other fields. Conversations between these fields yield new insight and correct biases ...
Study Confirms Cosmic Rays Have Extragalactic Origins（图）
Cosmic Rays Extragalactic Origins
2017/10/24
In an article to be published Sept. 22 in the journal Science, a group of more than 400 scientists from 18 nations describe how they detected an anisotropy, an asymmetry in the cosmic particles’ distr...
In a first-of-its-kind analysis, Northwestern University astrophysicists have discovered that, contrary to previously standard lore, up to half of the matter in our Milky Way galaxy may come from dist...
2017太阳系的起源高登研究研讨会（The Gordon Research Seminar on Origins of Solar Systems）
2017 太阳系的起源高登研究 研讨会
2017/3/9
The Gordon Research Seminar on Origins of Solar Systems is a unique forum for graduate students, post-docs, and other scientists with comparable levels of experience and education to present and excha...
中法“起源”天文联合实验室2017年合作项目征集工作已经开始，截至日期2017年3月15日。
2017太阳系的起源戈登学术会议（The 2017 Gordon Research Conference on Origins of Solar Systems）
2017 太阳系的起源戈登 学术会议
2017/1/11
The Gordon Conference on Origins of Solar Systems brings together a diverse group of scientists to discuss research at the frontier of understanding how planets and planetary systems form. Invited spe...
Origins of the Sensitivity of Molecular Vibrations to Electric Fields:Carbonyl and Nitrosyl Stretches in Model Compounds and Proteins
phosphoenolpyruvate carboxylase thermostable limited proteolysis flexible loop main chain connectivity
2016/5/24
The vibrational Stark effect (VSE) is the effect of an electric field on the vibrational spectrum. Typically, the largest change induced by an electric field is the linear frequency shift whose sensit...
Vibrational Stark Effects of Nitriles II. Physical Origins of Stark Effects from Experiment and Perturbation Models
platinum titania catalyst flame synthesis one-step oxidation screening
2016/5/23
Vibrational Stark effects, which are the effects of electric fields on vibrational spectra, were measured previously for the C−N stretch mode of several small nitriles, yielding difference dipol...
Origins of diverse feeding ecologies within Conus, a genus of venomous marine gastropods
Gastropoda Conus molecular phylogeny
2015/12/17
Specialized predators on polychaetes, fishes, hemichordates or other molluscs, members of the predominantly
tropical gastropod genus Conus diversified rapidly during the Miocene to consti...
The Hawaiian Islands are renowned for some
of the most spectacular species radiations in the world. Most of
these radiations have been attributed to single colonization
events, although the evidenc...
COMPARATIVE PHYLOGEOGRAPHY OF THREE CODISTRIBUTED STOMATOPODS: ORIGINS AND TIMING OF REGIONAL LINEAGE DIVERSIFICATION IN THE CORAL TRIANGLE
Allopatric speciation biodiversity center of origin
2015/12/17
The Indonesian-Australian Archipelago is the center of the world's marine biodiversity. Although many
biogeographers have suggested that this region is a "center of origin," criticism of this theory...