Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Qingwei Xu"'
Autor:
Chengkang Wang, Yi Heng, Qingwei Xu, Yajun Zhou, Xuyang Sun, Yuchong Wang, Weihao Yao, Meng Lian, Qiying Li, Liuyue Zhang, Ülo Niinemets, Dirk Hölscher, Johan Gielis, Karl J. Niklas, Peijian Shi
Publikováno v:
Ecology and Evolution, Vol 14, Iss 7, Pp n/a-n/a (2024)
Abstract Total leaf area per plant is an important measure of the photosynthetic capacity of an individual plant that together with plant density drives the canopy leaf area index, that is, the total leaf area per unit ground area. Because the total
Externí odkaz:
https://doaj.org/article/ca7638204294410e803cbfaa1aceb5dc
Autor:
Yuanyu Yang, Jianwei Zhang, Xia Chang, Lunlun Chen, Yongmin Liu, Qingwei Xu, Mengjuan Wang, Haiyan Yu, Renmei Huang, Jie Zhang, Yingxiao Hu, Qijuan Hu, Xiaojun Shi, Yuting Zhang
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
IntroductionThe incorporation of green manures substantially enhances the conversion of external phosphorus (P) fertilizers and soil-reserved P into forms readily available to plants. The study aims to evaluate the influence of green manure additions
Externí odkaz:
https://doaj.org/article/e4f83e4ad85e4700b0186a63869a8e20
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e25736- (2024)
Excessive cavity pressure may result in a sand casting explosion, and corresponding measures should be adopted to prevent these consequences. In this study, the pressure variations in the cavity were first investigated based upon on-site testing by t
Externí odkaz:
https://doaj.org/article/c602dd0417aa4f668e5d6924467489c1
Influences of the Decomposition Atmosphere and Heating Rate on the Pyrolysis Behaviors of Resin Sand
Publikováno v:
Buildings, Vol 14, Iss 5, p 1234 (2024)
The pouring of sand casting is accompanied by severe heat conduction, and there is an urgent need to investigate the pyrolysis properties of foundry sand. The main purpose of this study was to investigate the pyrolysis behaviors of resin sand, includ
Externí odkaz:
https://doaj.org/article/518c8020c72c4372a1f08091095a7e34
Autor:
Yiwei Wang, Jiaxin Yang, Xinhao Zhuang, Yunchao Ling, Ruifang Cao, Qingwei Xu, Peng Wang, Ping Xu, Guoqing Zhang
Publikováno v:
Scientific Data, Vol 9, Iss 1, Pp 1-8 (2022)
Measurement(s) Viral Epidemiology • genetic sequence variation analysis Technology Type(s) digital curation • Bioinformatics Sample Characteristic - Organism Severe acute respiratory syndrome coronavirus 2
Externí odkaz:
https://doaj.org/article/9d991d174cc84bc0928461e6137b2c77
Autor:
Qingwei Xu, Zhoufeng Liu
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2022 (2022)
The existing edge distortion correction methods of moving images ignore the consistency of human subjective vision in the restoration process. Therefore, this study proposes an edge distortion correction method of moving images using a discrete mathe
Externí odkaz:
https://doaj.org/article/0e00f31b806d4b16a255de34394bab35
Publikováno v:
Behavioral Sciences, Vol 12, Iss 6, p 176 (2022)
This study focused on the extreme heavy rainstorm that occurred in Zhengzhou in July 2021; approximately 380 people were killed or missing as a result of this storm. To investigate the evolution behaviors of this rainstorm and take corresponding prev
Externí odkaz:
https://doaj.org/article/5310401ca320427cac73eed48287e231
Autor:
Qingwei Xu, Kaili Xu
Publikováno v:
Sensors, Vol 21, Iss 21, p 7240 (2021)
Background: Although hydraulic support can help enterprises in their production activities, it can also cause fatal accidents. Methods: This study established a composite risk-assessment method for hydraulic support failure in the mining industry. Th
Externí odkaz:
https://doaj.org/article/36401156fb1040a88f4f5fa4ac30fbda
Publikováno v:
Royal Society Open Science, Vol 6, Iss 8 (2019)
Due to a wide range of applications, sand casting occupies an important position in modern casting practice. The main purpose of this study was to optimize the performance parameters of sand casting based on grey relational analysis and predict the m
Externí odkaz:
https://doaj.org/article/528ab13325aa4559861be65ddc52214b
Publikováno v:
Royal Society Open Science, Vol 5, Iss 7 (2018)
Safe production is the foundation of the normal operations of petrochemical enterprises, and it helps maintain social stability. The main purpose of this study is to prevent petrochemical enterprise accidents by proposing a composite safety assessmen
Externí odkaz:
https://doaj.org/article/dd1ab7790dd841f29fa498f9910b3274