Zobrazeno 1 - 10
of 53
pro vyhledávání: '"QingChen Xu"'
Publikováno v:
Atmosphere, Vol 15, Iss 11, p 1314 (2024)
Geomagnetic storms have a significant impact on Earth’s magnetosphere and ionosphere, as well as on the global atmospheric circuit. This study focuses on investigating the anomalous variations in the vertical atmospheric electric field at eight mid
Externí odkaz:
https://doaj.org/article/e691435553d64bce863a31b9fcba743a
Autor:
Qingchen Xu, Hongbin Liang, Zhongwang Wei, Yonggen Zhang, Xingjie Lu, Fang Li, Nan Wei, Shupeng Zhang, Hua Yuan, Shaofeng Liu, Yongjiu Dai
Publikováno v:
Earth's Future, Vol 12, Iss 4, Pp n/a-n/a (2024)
Abstract Northeast China (NEC) is the most prominent grain‐producing region in China. However, it is currently facing significant impacts from climate change. Since the climate‐related impacts on crop yield in this region are a major concern for
Externí odkaz:
https://doaj.org/article/b631982b051b4655a8c46f83ab125178
Autor:
Hanwen Fan, Qingchen Xu, Fan Bai, Zhongwang Wei, Yonggen Zhang, Xingjie Lu, Nan Wei, Shupeng Zhang, Hua Yuan, Shaofeng Liu, XianXiang Li, Xueyan Li, Yongjiu Dai
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 6, Pp n/a-n/a (2024)
Abstract This study develops an unstructured mesh generation tool for land surface modeling using a multi‐scale hexagon discrete mesh. The tool can automatically determine the required mesh resolution for different regions based on multi‐objectiv
Externí odkaz:
https://doaj.org/article/17517ac22de746989039eaa2a650569b
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3173-3183 (2022)
This paper studies the mechanical properties gradient in surface oxygen diffusion hardened (SODH) layer of Ti6Al4V alloy by four-point bending test, nano-indentation test and Vickers hardness measurement test. The relationships of hardness-oxygen con
Externí odkaz:
https://doaj.org/article/4b5199bf91cf462fa936f7e3275fd93f
Publikováno v:
Earth and Planetary Physics, Vol 5, Iss 3, Pp 270-279 (2021)
In this study, long term observations of medium frequency (MF) radar at Langfang site (39.4°N, 116.7°E) from 2009 to 2020 have been used to analyze the dependence of the 11-year solar cycle on horizontal winds in the local mesosphere and lower ther
Externí odkaz:
https://doaj.org/article/bbb863e9fe4945b1a442dee9e61396e6
Autor:
Zewei Wang, Cunying Xiao, Xiong Hu, Junfeng Yang, Xuan Cheng, Qingchen Xu, Luo Xiao, Xiaoqi Wu
Publikováno v:
Atmosphere, Vol 14, Iss 6, p 1045 (2023)
In this paper, we investigate the activity of atmospheric turbulence in the MLT region and the relationship between the activity of atmospheric turbulence and atmospheric wave activity. We use data from the Langfang MF radar (39.4∘N, 116.7∘E) fro
Externí odkaz:
https://doaj.org/article/04841a5c7c304c058f4517ee284dfe8c
Autor:
Xiong Hu, Xiaocheng Wu, Shuli Song, Maoli Ma, Weili Zhou, Qingchen Xu, Lei Li, Cunying Xiao, Xie Li, Chi Wang, Qinghui Liu, Lue Chen, Guangming Chen, Jianfeng Cao, Mei Wang, Peijia Li, Zhanghu Chu, Bo Xia, Junfeng Yang, Cui Tu, Dan Liu, Simin Zhang, Quan Zhang, Zheng Li
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2718 (2022)
The radio-occultation technique can provide vertical profiles of planetary ionospheric and atmospheric parameters, which merit the planetary-climate and space-weather scientific research so far. The Tianwen-1 one-way single-frequency radio-occultatio
Externí odkaz:
https://doaj.org/article/14bd4b80d2b44741820b76b0bb67e3a4
Publikováno v:
Textile Research Journal. 93:206-220
Using the binary coupled mixing algorithm as the foundation, the full color phase mixing mode of six primary colored fibers is proposed, a full color phase mixing model containing 60 grid points is established, and the corresponding color mixing chro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09402122c47689b8780eea1a282820ef
https://doi.org/10.1177/00405175221115887
https://doi.org/10.1177/00405175221115887
Publikováno v:
Land, Vol 10, Iss 6, p 639 (2021)
Grain self-sufficiency is a national food security target of China. The way that built-up land expansion impacts upon cropland loss and food provision needs to be explored in the major grain producing areas. Shandong Province is an important agricult
Externí odkaz:
https://doaj.org/article/6084071db8944f8aa4e0de9ed8d05335
Autor:
Qingchen Xu, Reid, Iain Murray, Bing Cai, Adami, Christian, Zengmao Zhang, Mingliang Zhao, Wen Li
Publikováno v:
Atmospheric Measurement Techniques Discussions; 11/17/2023, p1-33, 33p