搜索结果: 1-15 共查到“理学 evidence”相关记录444条 . 查询时间(0.167 秒)
The discovery of the Higgs boson at CERN’s Large Hadron Collider (LHC) in 2012 marked a significant milestone in particle physics. Since then, the ATLAS and CMS collaborations have been diligently inv...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Trust and Contracts: Empirical Evidence
信托与合同 经验证据 决策论
2023/4/19
Trust between parties should drive contract design: if parties were suspicious about each others' reaction to unplanned events, they might agree to pay higher costs of negotiation ex ante to complete ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The impact of COVID-19 on hotel customer satisfaction: Evidence from Beijing and Shanghai in China
新冠肺炎 酒店顾客 满意度 影响
2023/5/10
The purpose of this study is to provide better service to hotel customers during the COVID-19 era. Specifically, this study focuses on understanding the changes in hotel customer satisfaction during t...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：International trade and Covid-19: City-level evidence from China's lockdown policy
国际贸易 新冠肺炎 中国封锁政策 城市证据
2023/5/16
We examines the impact of Covid-19 lockdowns on exports by Chinese cities. We use city-level export data at a monthly frequency from January 2018 through April 2020. Differences-in-differences estimat...
Ancient ostrich eggshell reveals new evidence of extreme climate change thousands of years ago
extreme climate change ancient ostrich eggshell isotope amino acid evolution of species
2021/8/4
Evidence from an ancient eggshell has revealed important new information about the extreme climate change faced by human early ancestors.
First results from Fermilab's Muon g-2 experiment strengthen evidence of new physics（图）
First results Fermilab Muon g-2 experiment strengthen evidence new physics
2021/4/16
The first results from the Muon g-2 experiment at the U.S. Department of Energy's Fermi National Accelerator Laboratory show fundamental particles called muons behaving in a way that is not predicted ...
No social distancing in the Cretaceous:New study finds earliest evidence for mammal social behavior（图）
No social distancing Cretaceous earliest evidence mammal social behavior
2020/11/6
A new study led by U.S. National Science Foundation-funded paleontologists at the University of Washington and its Burke Museum of Natural History & Culture indicates that the earliest ...
Fossil evidence of 'hibernation-like' state in 250-million-year-old Antarctic animal（图）
Fossil hibernation-like state 250-million-year-old Antarctic animal
2020/9/4
Hibernation is a familiar feature on Earth today. Many animals -- especially those that live close to or in polar regions -- hibernate to get through tough winter months when food is scarce, temperatu...
中国地质大学科学技术发展院平宏伟*，李纯泉，陈红汉，等. 资源学院/构造与油气资源教育部重点实验室. Geology, August 2020. Overpressure release: Fluid inclusion evidence for a new mechanism for the formation of heavy oil
超压；演化过程；油组分；成熟度；古超压释放；稠油
2021/10/15
近日，国际地学领域顶级期刊《Geology》刊发了中国地质大学资源学院陈红汉教授团队的研究成果——“Overpressure release: Fluid inclusion evidence for a new mechanism for the formation of heavy oil ”，该成果探讨了超压演化过程油组分和成熟度变化，证实古超压释放导致的极性组分析出是稠油形成的一种新机制，...
Where in the brain does creativity come from? Evidence from jazz musicians（图）
brain creativity Evidence jazz musicians
2020/4/17
According to a popular view, creativity is a product of the brain's right hemisphere -- innovative people are considered "right-brain thinkers" while "left-brain thinkers" are thought to be analytical...
New research provides evidence of strong early magnetic field around Earth（图）
New research evidence strong early magnetic field around Earth
2020/2/20
Deep within Earth, swirling liquid iron generates our planet's protective magnetic field. This magnetic field is invisible but is vital for life on Earth's surface: It shields the planet from harmful ...
中国地质大学科学技术发展院马奔奔* 等, 资源学院/构造与油气资源教育部重点实验室. AAPG Bulletin, December 2019, Carbonate cementation patterns,potential mass transfer,and implications for reservoir heterogeneity in Eocene tight-oil sandstones,Dongying depression,Bohai Bay Basin, China:Evidence from pet
深埋藏条件下；砂岩储层水；相互作用；潜在；成岩物质；迁移方式
2021/10/15
近日，中国地质大学资源学院马奔奔副教授团队在国际顶级石油地质期刊《AAPG Bulletin》上刊发研究成果，研究成果主要揭示了深埋藏条件下致密砂岩储层水-岩相互作用过程、潜在成岩物质迁移方式及其成岩响应机制。
Astronomers see evidence of Einstein's theories in star orbiting massive black hole（图）
Astronomers evidence Einstein theories star orbiting massive black hole
2019/10/22
More than 100 years ago, Albert Einstein predicted that light is deflected by extremely massive objects, but there is no way to test such powerful effects on Earth. Instead, astronomers turn their att...
中国地质大学科学技术发展院石炜(博士生),李超等 BGEG国家重点实验室 Geology, January 24,2018, Sulfur isotope evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion
早期地球；海洋；氧化模式；地球；碳循环；
2021/10/21
近日，中国地质大学生物地质与环境地质国家重点实验室李超教授团队在国际著名地学期刊《Geology》上发表了题为“Sulfur isotope evidence for transient marine-shelf oxidation duringthe Ediacaran Shuram Excursion”的学术论文，该论文通过定量数值模拟的方法首次发现了埃迪卡拉纪碳循环剧烈扰动时期（又称“Shu...
Fluid Evolution and Ore-forming Processes of the Jiama Cu Deposit, Tibet: Evidence from Fluid Inclusions
fluid inclusion fluid evolution ore-forming processes Jiama deposit Tibet
2018/4/10
The Jiama deposit is a large copper deposit in Tibet. Mineralization occurs in three different host rocks: skarn, hornfels and porphyry. A detailed fluid inclusion study was conducted for veins in the...