Zobrazeno 1 - 10
of 349
pro vyhledávání: '"Dun Chen"'
Autor:
Kai Gao, Guoyu Li, Fei Wang, Yapeng Cao, Dun Chen, Qingsong Du, Mingtang Chai, Alexander Fedorov, Juncen Lin, Yunhu Shang, Shuai Huang, Xiaochen Wu, Luyao Bai, Yan Zhang, Liyun Tang, Hailiang Jia, Miao Wang, Xu Wang
Publikováno v:
Drones, Vol 8, Iss 8, p 360 (2024)
The China–Russia crude oil pipeline (CRCOP) operates at a temperature that continuously thaws the surrounding permafrost, leading to secondary periglacial phenomena along the route. However, the evolution and formation mechanisms of these phenomena
Externí odkaz:
https://doaj.org/article/cbd86abd1c11457c96f00744104af761
Autor:
Yu Zhou, Guo-Yu Li, Hui-Jun Jin, Sergey S. Marchenko, Wei Ma, Qing-Song Du, Jin-Ming Li, Dun Chen
Publikováno v:
Advances in Climate Change Research, Vol 13, Iss 4, Pp 540-553 (2022)
Since the Little Ice Age and as a consequence of climate warming, many recently deglaciated forefields have become and will continue to evolve into large ice-debris complexes exposed to periglacial processes and environment. Such transitional process
Externí odkaz:
https://doaj.org/article/569ca2f3511d4f46a8af4a565a1948bb
Publikováno v:
Frontiers in Environmental Science, Vol 11 (2023)
Introduction: The embankment in the permafrost zone of the Qinghai–Tibet Railway (QTR) faces the problem of permafrost degradation, especially in the warm and ice-rich permafrost areas. The settlement deformation of the embankment is more serious i
Externí odkaz:
https://doaj.org/article/a50641e724884a6f8c91152bacac0691
Autor:
Dun Chen, Guoyu Li, Jinming Li, Qingsong Du, Yu Zhou, Yuncheng Mao, Shunshun Qi, Liyun Tang, Hailiang Jia, Wanlin Peng
Publikováno v:
Frontiers in Energy Research, Vol 10 (2023)
Rocks in cold regions experience freeze–thaw (F–T) cycles, which have a significant impact on their mechanical properties, causing a series of engineering challenges that threaten engineering stability. To investigate the mechanical characteristi
Externí odkaz:
https://doaj.org/article/19d4873a7d1143cebde24e0ee7fecf21
Autor:
Chen, Weizhe, Zhang, Zhicheng, Liu, Guanlin, Zheng, Renjie, Shi, Wenlei, Dun, Chen, Wu, Zheng, Jin, Xing, Yan, Lin
Since the release of ChatGPT, large language models (LLMs) have demonstrated remarkable capabilities across various domains. A key challenge in developing these general capabilities is efficiently sourcing diverse, high-quality data. This becomes esp
Externí odkaz:
http://arxiv.org/abs/2410.21236
Autor:
Dai, Ning, Wu, Zheng, Zheng, Renjie, Wei, Ziyun, Shi, Wenlei, Jin, Xing, Liu, Guanlin, Dun, Chen, Huang, Liang, Yan, Lin
Reinforcement Learning (RL) with unit test feedback has enhanced large language models (LLMs) code generation, but relies on sparse rewards provided only after complete code evaluation, limiting learning efficiency and incremental improvements. When
Externí odkaz:
http://arxiv.org/abs/2410.17621
Reinforcement Learning (RL) plays a crucial role in aligning large language models (LLMs) with human preferences and improving their ability to perform complex tasks. However, current approaches either require significant computational resources due
Externí odkaz:
http://arxiv.org/abs/2410.09302
Publikováno v:
Heliyon, Vol 8, Iss 9, Pp e10528- (2022)
Fe3O4@SiO2-NH-nNG-SPTZ (including Fe3O4@SiO2-NH-2NG-SPTZ, Fe3O4@SiO2-NH-3NG-SPTZ) were prepared by 2-mercapto-5-(4-pyridyl)-1,3,4-thiadiazole and the reaction products of 3, 6-dichloropyridazine and cyanuric chloride with Fe3O4@SiO2-NH2 respectively.
Externí odkaz:
https://doaj.org/article/dee72525776a41d0a7729ed4e56585c7
Autor:
Qingsong Du, Dun Chen, Guoyu Li, Yapeng Cao, Yu Zhou, Mingtang Chai, Fei Wang, Shunshun Qi, Gang Wu, Kai Gao, Chunqing Li
Publikováno v:
Remote Sensing, Vol 15, Iss 15, p 3728 (2023)
Against the background of global warming, permafrost areas are facing increasing thawing, and the threat to the surface of the Qinghai–Tibet Engineering Corridor (QTEC) is serious. It is imperative to understand the current surface deformation and
Externí odkaz:
https://doaj.org/article/e5db1d40f2164f66bd91075363ef2424
Autor:
Shunshun Qi, Guoyu Li, Dun Chen, Fujun Niu, Zhizhong Sun, Gang Wu, Qingsong Du, Mingtang Chai, Yapeng Cao, Jianwei Yue
Publikováno v:
Remote Sensing, Vol 15, Iss 10, p 2651 (2023)
In order to research the special embankment (thermosyphon embankment) damages and the distribution of permafrost under the Qinghai–Tibet Highway (QTH) embankment. The section K2952–K2953, which is a typical representative of the QTH, was chosen f
Externí odkaz:
https://doaj.org/article/9284e7ee0f524f2cb6f474be3d13589f