中文版 | English

在结果中检索

GSTDTAP

浏览/检索结果: 共56条，第1-10条 帮助

限定条件                    
已选(0)清除 条数/页：   排序方式：
Modulation of Tropical Cyclone Genesis in the Bay of Bengal by the Central Indian Ocean Mode 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (12)
作者:  Li, Baosheng;  Zhou, Lei;  Wang, Chunzai;  Gao, Cong;  Qin, Jianhuang;  Meng, Ze
收藏  |  浏览/下载：13/0  |  提交时间：2020/08/18
Economics in the Age of COVID-19 期刊论文
NATURE, 2020, 581 (7809) : 375-377
作者:  Yin, Juan;  Li, Yu-Huai;  Liao, Sheng-Kai;  Yang, Meng;  Cao, Yuan;  Zhang, Liang;  Ren, Ji-Gang;  Cai, Wen-Qi;  Liu, Wei-Yue;  Li, Shuang-Lin;  Shu, Rong;  Huang, Yong-Mei;  Deng, Lei;  Li, Li;  Zhang, Qiang;  Liu, Nai-Le
收藏  |  浏览/下载：25/0  |  提交时间：2020/07/03

Breakneck triage nails many diagnoses, but deeper treatment is needed.


Breakneck triage nails many diagnoses, but deeper treatment is needed.


  
Internal state dynamics shape brainwide activity and foraging behaviour 期刊论文
NATURE, 2020, 577 (7789) : 239-+
作者:  Marques, Joao C.;  Li, Meng;  Schaak, Diane;  Robson, Drew N.;  Li, Jennifer M.
收藏  |  浏览/下载：5/0  |  提交时间：2020/07/03

The brain has persistent internal states that can modulate every aspect of an animal'  s mental experience(1-4). In complex tasks such as foraging, the internal state is dynamic(5-8). Caenorhabditis elegans alternate between local search and global dispersal(5). Rodents and primates exhibit trade-offs between exploitation and exploration(6,7). However, fundamental questions remain about how persistent states are maintained in the brain, which upstream networks drive state transitions and how state-encoding neurons exert neuromodulatory effects on sensory perception and decision-making to govern appropriate behaviour. Here, using tracking microscopy to monitor whole-brain neuronal activity at cellular resolution in freely moving zebrafish larvae(9), we show that zebrafish spontaneously alternate between two persistent internal states during foraging for live prey (Paramecia). In the exploitation state, the animal inhibits locomotion and promotes hunting, generating small, localized trajectories. In the exploration state, the animal promotes locomotion and suppresses hunting, generating long-ranging trajectories that enhance spatial dispersion. We uncover a dorsal raphe subpopulation with persistent activity that robustly encodes the exploitation state. The exploitation-state-encoding neurons, together with a multimodal trigger network that is associated with state transitions, form a stochastically activated nonlinear dynamical system. The activity of this oscillatory network correlates with a global retuning of sensorimotor transformations during foraging that leads to marked changes in both the motivation to hunt for prey and the accuracy of motor sequences during hunting. This work reveals an important hidden variable that shapes the temporal structure of motivation and decision-making.


  
Connections Between Daily Surface Temperature Contrast and CO2 Flux Over a Tibetan Lake: A Case Study of Ngoring Lake 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (6)
作者:  Han, Bo;  Meng, Xianhong;  Yang, Qinghua;  Wu, Renhao;  Lv, Shihua;  Li, Zhaoguo;  Wang, Xin;  Li, Yubin;  Yu, Lejiang
收藏  |  浏览/下载：32/0  |  提交时间：2020/07/02
The Sources and Atmospheric Pathway of Phosphorus to a High Alpine Forest in Eastern Tibetan Plateau, China 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (4)
作者:  Meng, Ya;  Li, Rui;  Fu, Hongbo;  Bing, Haijian;  Huang, Kan;  Wu, Yanhong
收藏  |  浏览/下载：9/0  |  提交时间：2020/07/02
Redox-switchable carboranes for uranium capture and release 期刊论文
NATURE, 2020, 577 (7792) : 652-+
作者:  Marques, Joao C.;  Li, Meng;  Schaak, Diane;  Robson, Drew N.;  Li, Jennifer M.
收藏  |  浏览/下载：31/0  |  提交时间：2020/07/03

The uranyl ion (UO22+  U(vi) oxidation state) is the most common form of uranium found in terrestrial and aquatic environments and is a central component in nuclear fuel processing and waste remediation efforts. Uranyl capture from either seawater or nuclear waste has been well studied and typically relies on extremely strong chelating/binding affinities to UO22+ using chelating polymers(1,2), porous inorganic(3-5) or carbon-based(6,7) materials, as well as homogeneous(8) compounds. By contrast, the controlled release of uranyl after capture is less established and can be difficult, expensive or destructive to the initial material(2,9). Here we show how harnessing the redox-switchable chelating and donating properties of an ortho-substituted closo-carborane (1,2-(Ph2PO)(2)-1,2-C2B10H10) cluster molecule can lead to the controlled chemical or electrochemical capture and release of UO22+ in monophasic (organic) or biphasic (organic/aqueous) model solvent systems. This is achieved by taking advantage of the increase in the ligand bite angle when the closo-carborane is reduced to the nido-carborane, resulting in C-C bond rupture and cage opening. The use of electrochemical methods for uranyl capture and release may complement existing sorbent and processing systems.


Redox-switchable chelation is demonstrated for a carborane cluster molecule, leading to controlled chemical or electrochemical capture and release of uranyl in monophasic or biphasic model solvent systems.


  
Responses of soil moisture to regional climate change over the Three Rivers Source Region on the Tibetan Plateau 期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2019
作者:  Deng, Mingshan;  Meng, Xianhong;  Li, Zhaoguo;  Lyv, Yaqiong;  Lei, Huajin;  Zhao, Lin;  Zhao, Shengnan;  Ge, Jun;  Jing, Hui
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/27
land surface model data  precipitation  reanalysis data  soil moisture  temperature  Three Rivers Source region  
Spatial control of heavy-fermion superconductivity in CeIrIn5 期刊论文
SCIENCE, 2019, 366 (6462) : 221-+
作者:  Bachmann, Maja D.;  Ferguson, G. M.;  Theuss, Florian;  Meng, Tobias;  Putzke, Carsten;  Helm, Toni;  Shirer, K. R.;  Li, You-Sheng;  Modic, K. A.;  Nicklas, Michael;  Koenig, Markus;  Low, D.;  Ghosh, Sayak;  Mackenzie, Andrew P.;  Arnold, Frank;  Hassinger, Elena;  McDonald, Ross D.;  Winter, Laurel E.;  Bauer, Eric D.;  Ronning, Filip;  Ramshaw, B. J.;  Nowack, Katja C.;  Moll, Philip J. W.
收藏  |  浏览/下载：13/0  |  提交时间：2019/11/27
Satellite testing of a gravitationally induced quantum decoherence model 期刊论文
SCIENCE, 2019, 366 (6461) : 132-+
作者:  Xu, Ping;  Ma, Yiqiu;  Ren, Ji-Gang;  Yong, Hai-Lin;  Ralph, Timothy C.;  Liao, Sheng-Kai;  Yin, Juan;  Liu, Wei-Yue;  Cai, Wen-Qi;  Han, Xuan;  Wu, Hui-Nan;  Wang, Wei-Yang;  Li, Feng-Zhi;  Yang, Meng;  Lin, Feng-Li;  Li, Li;  Liu, Nai-Le;  Chen, Yu-Ao;  Lu, Chao-Yang;  Chen, Yanbei;  Fan, Jingyun;  Peng, Cheng-Zhi;  Pan, Jian-Wei
收藏  |  浏览/下载：15/0  |  提交时间：2019/11/27
Air quality and health benefits of China's emission control policies on coal-fired power plants during 2005-2020 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2019, 14 (9)
作者:  Wu, Ruili;  Liu, Fei;  Tong, Dan;  Zheng, Yixuan;  Lei, Yu;  Hong, Chaopeng;  Li, Meng;  Liu, Jun;  Zheng, Bo;  Bo, Yu;  Chen, Xiaoting;  Li, Xin;  Zhang, Qiang
收藏  |  浏览/下载：10/0  |  提交时间：2019/11/27
emissions  air quality  power plants  China  health