Zobrazeno 1 - 10
of 188
pro vyhledávání: '"Qiwei Zhan"'
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01937- (2023)
Pervious concrete (PC) has been widely used in recent years. With increasing attention on PC, it promotes further understanding of its mechanism responsible for the resulted performance. The objective of this study is to propose a 3D discrete element
Externí odkaz:
https://doaj.org/article/feb6a9674c344309ab90f830a02a61ba
Autor:
Yaqiang Yang, Zixian Zhou, Yanlin Guan, Jianzhe Shi, Qiwei Zhan, Mohamed F. M. Fahmy, Bitao Wu
Publikováno v:
Buildings, Vol 13, Iss 12, p 3082 (2023)
Based on the cable-stayed beam model, this paper studies the nonlinear coupled vibration behavior of basalt fiber-reinforced polymer (BFRP) cables on long-span cable-stayed bridges under parametric excitation. Considering the sag, damping of BFRP cab
Externí odkaz:
https://doaj.org/article/34743841ca1a4e6fa8b08a4b207d2854
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01279- (2022)
As a green and intelligent method, the self-repairing technology based on microbial mineralization had obvious defects. In this study, microbial mineralization coupled with inorganic minerals was used to realize the full-depth repair of cracks in cem
Externí odkaz:
https://doaj.org/article/bf337c0d4dc9454794fbd4e6a77fbfc9
Publikováno v:
Materials, Vol 16, Iss 6, p 2447 (2023)
The long-term properties of solidified soft soil, including an immersion test, the dry–wet cycle and the freeze–thaw cycle, were systematically studied. Firstly, the immersion stability of solidified soft soil was confirmed. The appearance of sof
Externí odkaz:
https://doaj.org/article/11b495e20efe4260ad9d6eb4dcd3205d
Publikováno v:
IEEE Access, Vol 8, Pp 30081-30091 (2020)
In cylindrical multilayered medium, we develop two tool models for electromagnetic (EM) well logging: a metal mandrel winding with a co-axial (tilted) transmitter coil and a tilted (coaxial) receiver coil. The voltages on receivers in those two model
Externí odkaz:
https://doaj.org/article/54901150a2514877a6cf67213cab0db5
Publikováno v:
Materials, Vol 15, Iss 21, p 7580 (2022)
The influence of recycled fine aggregate content on the properties of soft soil solidified by industrial waste residue was systematically studied. First, the addition of recycled fine aggregate may provide skeleton support, which was conducive to imp
Externí odkaz:
https://doaj.org/article/b68be65a50a54084b79f7e98f67e8e14
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 2, Pp 1-13 (2017)
Ultrawideband simulation of negative refraction in bicrystals is important for the design optimization of devices involving such anisotropic media, but it is a nontrivial task, especially when low-order methods are utilized. This work proposes an imp
Externí odkaz:
https://doaj.org/article/8b9e237ba4e04fdbbf7ce56237261373
Autor:
Qiwei Zhan, Chunxiang Qian
Publikováno v:
Electronic Journal of Biotechnology, Vol 19, Iss C, Pp 29-32 (2016)
Background: Microbial-induced remediation of Zn2+ pollution based on the capture and utilization of carbon dioxide was investigated. In this study, carbon dioxide was absorbed and transformed into carbonate ions under the enzymatic action of Paenibac
Externí odkaz:
https://doaj.org/article/9573bb2392da434da705ac80bbf37a76
Publikováno v:
IEEE Transactions on Antennas and Propagation. 71:4612-4617
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. :1-13