National Science Review

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So sánh xu hướng nồng độ PM2.5 và ozone bề mặt tại Trung Quốc từ năm 2013 đến 2017 Dịch bởi AI
National Science Review - Tập 7 Số 8 - Trang 1331-1339 - 2020
Yonghong Wang, Wenkang Gao, Shuai Wang, Tao Song, Zhengyu Gong, Dongsheng Ji, Lili Wang, Zirui Liu, Guiqian Tang, Yanfeng Huo, Shili Tian, Jiayun Li, Mingge Li, Yuan Yang, Biwu Chu, Tuukka Petäjä, Veli‐Matti Kerminen, Hong He, Jiming Hao, Markku Kulmala, Yuesi Wang, Yuanhang Zhang
Tóm tắtMặc dù đã có nhiều sự chú ý đến việc điều tra và kiểm soát ô nhiễm không khí tại Trung Quốc, nhưng xu hướng nồng độ chất ô nhiễm không khí ở quy mô quốc gia vẫn chưa rõ ràng. Ở đây, chúng tôi đã điều tra định lượng sự biến đổi của các chất ô nhiễm không khí tại Trung Quốc bằng cách sử dụng các tập dữ liệu tổng hợp dài hạn từ năm 2013 đến 2017, trong đó chính...... hiện toàn bộ
Rock-salt and helix structures of silver iodides under ambient conditions
National Science Review - Tập 6 Số 4 - Trang 767-774 - 2019
Hongyang Huang, Jinying Zhang, Yifan Zhang, Chengcheng Fu, Jialiang Huang, Yonghong Cheng, Chunming Niu, Xinluo Zhao, Hisanori Shinohara
Abstract Many different phase structures have been discovered for silver iodides. The β and γ phases were found to be the most common ones at ambient conditions, while the rock-salt phase was found to be stable under pressures between 400 MPa and 11.3 GPa. Recently, the α phase was demonstrated to be stable under ambient conditions when the particle ...... hiện toàn bộ
Recent ENSO evolution and its real-time prediction challenges
National Science Review - Tập 9 Số 4 - 2022
Rong‐Hua Zhang, Chuan Gao, Licheng Feng
The frequent occurrences of the second-year surface cooling condition in the eastern equatorial Pacific, as observed in late 2021, are attributed to decadal changes in the thermocline depth, which determine the relative dominances of local cooling effect in the east and subsurface warming effect remotely from the west. Coupled models need to adequately represent these processes in a balanc...... hiện toàn bộ
Controlling flexibility of metal–organic frameworks
National Science Review - Tập 5 Số 6 - Trang 907-919 - 2018
Wei‐Xiong Zhang, Hao‐Long Zhou, Dong‐Dong Zhou, Pei‐Qin Liao, Xiao‐Ming Chen
Comparative genomics reveal shared genomic changes in syngnathid fishes and signatures of genetic convergence with placental mammals
National Science Review - Tập 7 Số 6 - Trang 964-977 - 2020
Yanhong Zhang, Vydianathan Ravi, Geng Qin, He Dai, Huixian Zhang, Fengming Han, Xin Wang, Yuhong Liu, Jianping Yin, Liangmin Huang, Byrappa Venkatesh, Qiang Lin
Abstract Syngnathids (seahorses, pipefishes and seadragons) exhibit an array of morphological innovations including loss of pelvic fins, a toothless tubular mouth and male pregnancy. They comprise two subfamilies: Syngnathinae and Nerophinae. Genomes of three Syngnathinae members have been analyzed previously. In this study, we have sequenced the gen...... hiện toàn bộ
Open-environment machine learning
National Science Review - Tập 9 Số 8 - 2022
Zhi‐Hua Zhou
AbstractConventional machine learning studies generally assume close-environment scenarios where important factors of the learning process hold invariant. With the great success of machine learning, nowadays, more and more practical tasks, particularly those involving open-environment scenarios where important factors are subject to change, called open-environment ...... hiện toàn bộ
Aerosol characteristics and impacts on weather and climate over the Tibetan Plateau
National Science Review - Tập 7 Số 3 - Trang 492-495 - 2020
Chuanfeng Zhao, Yikun Yang, Hao Fan, Jianping Huang, Yunfei Fu, Xiaoye Zhang, Shichang Kang, Zhiyuan Cong, Husi Letu, Massimo Menenti
Linking atmospheric pollution to cryospheric change in the Third Pole region: current progress and future prospects
National Science Review - Tập 6 Số 4 - Trang 796-809 - 2019
Shichang Kang, Qianggong Zhang, Yun Qian, Zhenming Ji, Chaoliu Li, Zhiyuan Cong, Yulan Zhang, Junming Guo, Wentao Du, Jie Huang, Qinglong You, Arnico K. Panday, Maheswar Rupakheti, Deliang Chen, Örjan Gustafsson, M. H. Thiemens, Dahe Qin
ABSTRACTThe Tibetan Plateau and its surroundings are known as the Third Pole (TP). This region is noted for its high rates of glacier melt and the associated hydrological shifts that affect water supplies in Asia. Atmospheric pollutants contribute to climatic and cryospheric changes through their effects on solar radiation and the albedos of snow and ice surfaces; ...... hiện toàn bộ
Three-dimensional artificial transpiration for efficient solar waste-water treatment
National Science Review - Tập 5 Số 1 - Trang 70-77 - 2018
Xiuqiang Li, Renxing Lin, George Ni, Ning Xu, Xiaozhen Hu, Bin Zhu, Guangxin Lv, Jinlei Li, Shining Zhu, Jia Zhu
Abstract Solar steam generation is emerging as promising solar-energy conversion technology for potential applications in desalination, sterilization and chemical purification. Despite the recent use of photon management and thermal insulation, achieving optimum solar steam efficiency requires simultaneous minimization of radiation, convection and co...... hiện toàn bộ
An overview of multi-task learning
National Science Review - Tập 5 Số 1 - Trang 30-43 - 2018
Yu Zhang, Qiang Yang
AbstractAs a promising area in machine learning, multi-task learning (MTL) aims to improve the performance of multiple related learning tasks by leveraging useful information among them. In this paper, we give an overview of MTL by first giving a definition of MTL. Then several different settings of MTL are introduced, including multi-task supervised learning, mult...... hiện toàn bộ
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