搜索结果: 1-15 共查到“evidence”相关记录1859条 . 查询时间(0.172 秒)
Effects of Forestry on Carbon Emissions in China: Evidence From a Dynamic Spatial Durbin Model
carbon emissions forest activities dynamic spatial analysis China economic growth
2023/12/5
Research has proved the significance of forests in controlling carbon emissions, however, our research sheds light on the management of existing forests to combat climate change. To examine the role o...
Direct evidence of drought stress memory in mulberry from a physiological perspective: Antioxidative, osmotic and phytohormonal regulations
ABA Antioxidant enzyme Morus spp. Priming Reactive oxygen species Recurrent drought
2023/11/28
Drought stress commonly happens more than once during the life cycle of perennial trees. Stress memory endows better capacity to cope with repeated stresses for plants, while the underlying mechanisms...
Drought impacts on tree carbon sequestration and water use - evidence from intra-annual tree-ring characteristics
carbon sequestration extreme drought intrinsic water-use efficiency physiological drought point dendrometer quantitative wood anatomys table carbon isotopes xylogenesis
2023/11/20
The impact of climate extremes on forest ecosystems is poorly understood but important for predicting carbon and water cycle feedbacks to climate. Some knowledge gaps still remain regarding how drough...
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：A Contracting Approach to the Divisions of the Gains in Global Supply Chains: Theory and Evidence
全球供应链 收益划分 收缩方法
2023/4/17
This paper develops a theory to illustrate the relationship between the profitability of firms producing along the value chain and the sequential production stages. Using a bilateral monopoly framewor...
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...
Physicists find direct evidence of strong electron correlation in a 2D material for the first time（图）
二维材料 强电子 相关性 非常规超导性
2023/6/7
In recent years, physicists have discovered materials that are able to switch their electrical character from a metal to an insulator, and even to a superconductor, which is a material in a friction-f...
Growing evidence of vitamin K benefits for heart health
Vitamin K atherosclerosis cardiovascular disease
2021/8/10
New research has found that people who eat a diet rich in vitamin K have up to a 34 percent lower risk of atherosclerosis-related cardiovascular disease (conditions affecting the heart or blood vessel...
西安交通大学医学院第一附属医院胸外科付军科教授团队参与的EVIDENCE临床试验研究结果荣登《柳叶刀·呼吸医学》杂志（图）
胸外科；付军科教授；EVIDENCE；临床试验；研究结果；柳叶刀；呼吸医学
2021/10/8
北京时间2021年7月17日，全球顶尖学术期刊《柳叶刀·呼吸医学》（The Lancet Respiratory Medicine）（影响因子30.143）发表了由同济大学附属上海市肺科医院周彩存教授、广州医科大学附属第一医院何建行院长共同开展的“埃克替尼对比标准辅助化疗用于II-IIIA期伴EGFR 敏感突变非小细胞肺癌术后辅助治疗的多中心、随机、 开放、III期临床研究（EVIDENCE研究）...
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...