Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Qifeng Tang"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 3, Pp 1021-1026 (2022)
The carbothermic reduction of calcined magnesite in vacuum was studied. By thermodynamic analysis, the starting temperature of reduction reaction dropped from 2173K to 1523K when system pressure dropped from 1 atmosphere to 100 Pa. The experiments we
Externí odkaz:
https://doaj.org/article/2ee6a37f9619481c99ebe6fdfb4f80e0
Autor:
Kun Lin, Zhongfang Yang, Tao Yu, Wenbing Ji, Xu Liu, Bo Li, Zhiliang Wu, Xuezhen Li, Xudong Ma, Lei Wang, Qifeng Tang
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 255, Iss , Pp 114808- (2023)
Soils developed in karst regions have naturally high background values of molybdenum (Mo) due to geological factors. However, the enrichment mechanism of Mo in these soils are not fully understood, making it challenging to assess their ecological ris
Externí odkaz:
https://doaj.org/article/de67bba53a4a40119f9751ec4f85cfb8
Publikováno v:
大数据, Vol 8, Pp 3-14 (2022)
Developing the markets of data as a factor of production is the key in the efficient allocation of data factor.However, the early practices of data markets in China have revealed a series of problems, which urgently calls for a systematic review and
Externí odkaz:
https://doaj.org/article/b035a115bf9e4654b2109653d655acf8
Publikováno v:
大数据, Vol 8, Pp 40-53 (2022)
Data is a key factor of production in digital economy and establishing a factor market of data is inevitable.The development of data factor market includes efforts in the fields of the authentication of data rights, object of transaction, pricing mec
Externí odkaz:
https://doaj.org/article/7a93d1ca853041a1a3c611e4504a70db
Publikováno v:
Frontiers in Neuroscience, Vol 16 (2022)
Artificial intelligence (AI) based on the perspective of data elements is widely used in the healthcare informatics domain. Large amounts of clinical data from electronic medical records (EMRs), electronic health records (EHRs), and electroencephalog
Externí odkaz:
https://doaj.org/article/719f917da09246fc8a1ca9e5187ca4c5
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 423-436 (2021)
Surface cracking induced by damage accumulation is a common quality problem during the hot processing of powder metallurgical (P/M) products. This study aims to clarify the damage and fracture of P/M Fe–Cu–C steel at elevated temperatures to prop
Externí odkaz:
https://doaj.org/article/86925abdafe94d0bbede2b44f58fe084
Publikováno v:
Materials & Design, Vol 216, Iss , Pp 110514- (2022)
Selective surface densification (SSD) can greatly improve the mechanical properties of powder metallurgical (P/M) parts with low additional costs. This work proposes a new surface vibration extrusion process to make up for some drawbacks of the exist
Externí odkaz:
https://doaj.org/article/93f427a2802d4edbbcc5a51244c5d8d7
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 13914-13926 (2020)
Accurate impact energy control is important for the success of the powder-forged (P/F) technique. This paper address how impact energy influences the densification and mechanical properties of powder metallurgical (P/M) preforms during a P/F process
Externí odkaz:
https://doaj.org/article/4c4dbc1e45834c2ba2c97ba4a658407f
Publikováno v:
IEEE Access, Vol 7, Pp 59172-59184 (2019)
With the rapid development of big data technology and the Internet, the requirements of human activities for data are getting higher and higher, and the increasing data volume has a high demand for data processing. The paradigm of the Internet of Thi
Externí odkaz:
https://doaj.org/article/d34072a817c94b3281d9a8bb53425b58
Autor:
Yunfeng Wang, Mingzhen Li, Yang Xin, Guangcan Yang, Qifeng Tang, Hongliang Zhu, Yixian Yang, Yuling Chen
Publikováno v:
PLoS ONE, Vol 16, Iss 9, p e0256892 (2021)
In Location-Based Social Networks (LBSNs), registered users submit their reviews for visited point-of-interests (POIs) to the system providers (SPs). The SPs anonymously publish submitted reviews to build reputations for POIs. Unfortunately, the user
Externí odkaz:
https://doaj.org/article/60cdb67ee0d6452dac65513c7262355f