Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Peirong Zhang"'
Publikováno v:
Journal of Cardiothoracic Surgery, Vol 19, Iss 1, Pp 1-11 (2024)
Abstract Background The intra-aortic balloon pump (IABP) technique plays a crucial role in providing circulatory support for patients experiencing hemodynamic instability. This study aimed to assess the effectiveness and safety of preoperative prophy
Externí odkaz:
https://doaj.org/article/fe74ecce8ee34d429c2df53840ab42d6
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 1729-1743 (2024)
In machining processes, the high temperature and stress can lead to plastic deformations of the workpiece material. Thermomechanical loading has a significant impact on the microstructure of the machined surface, including grain deformation, recrysta
Externí odkaz:
https://doaj.org/article/2108d7f6ff92407fa8220e3f81060057
Publikováno v:
Metals, Vol 14, Iss 4, p 419 (2024)
A fine-grained WC-15wt%Al0.5CoCrFeNi cemented carbide was prepared through a vacuum and gas pressure sintering. For achieving high surface integrity, diamond wheel grinding serves as the primary molding process for the machining of WC cemented carbid
Externí odkaz:
https://doaj.org/article/46c427b487f644ca915cbc39d41ccc78
Autor:
Jiange Zhang, Lei Yang, Xue Cao, Ying Ren, Xu Han, Shuting Zang, Fangfang Cai, Lijun Xu, Lijie Qin, Peirong Zhang, Yanwei Cheng
Publikováno v:
Frontiers in Public Health, Vol 11 (2023)
BackgroundThe aim of this study was to investigate the current state of disaster preparedness and to determine associated factors among emergency nurses from tertiary hospitals in Henan Province of China.MethodsThis multicenter descriptive cross-sect
Externí odkaz:
https://doaj.org/article/b150bd614e864e94a73ee551eec23438
Autor:
Peirong Zhang
Publikováno v:
IEEE Access, Vol 10, Pp 57452-57460 (2022)
Writer identification has steadily progressed in recent decades owing to its widespread application. Scenarios with extensive handwriting data such as page-level or sentence-level have achieved satisfactory accuracy; however, word-level offline write
Externí odkaz:
https://doaj.org/article/11afbda333494b96ade8b9cb810e8795
Autor:
Yanwei Cheng, Lijun Xu, Jiaoyang Wang, Xue Cao, Dong Chen, Peirong Zhang, Lei Yang, Lijie Qin
Publikováno v:
Frontiers in Immunology, Vol 14 (2023)
BackgroundSepsis is a life-threatening organ dysfunction syndrome that leads to the massive death of immune cells. Long non-coding RNAs (lncRNAs) have been reported to exert key regulatory roles in cells. However, it is unclear how lncRNAs regulate t
Externí odkaz:
https://doaj.org/article/faed63ca98994d969ee44aadaabe91ba
Publikováno v:
Micromachines, Vol 14, Iss 6, p 1228 (2023)
Ti1-xAlxN coating is formed by replacing some Ti atoms in TiN with Al atoms, and their properties are closely related to Al content (0 < x < 1). Recently, Ti1-xAlxN-coated tools have been widely used in the machining of Ti-6Al-4V alloy. In this paper
Externí odkaz:
https://doaj.org/article/bd264fb6879c48deb63e1d1de08a5062
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 14, Iss 4, Pp JAMDSM0050-JAMDSM0050 (2020)
Large curvature surfaces are often milled by straight-line interpolation method. However the misuse of the cutting parameters may lead to checkerboard texture on the machined surface. In this paper, the effect of interpolating straight-line length an
Externí odkaz:
https://doaj.org/article/92542c85e50742268684808e28952f2a
Autor:
Guosheng Su, Yuhao Wang, Zhitao Han, Peirong Zhang, Hongxia Zhang, Baolin Wang, Zhanqiang Liu
Publikováno v:
Symmetry, Vol 13, Iss 9, p 1679 (2021)
The contact stress and heating effect between the cutting tool and workpiece in metal machining is symmetrical. However, the symmetry may be destroyed by changes in the workpiece material mechanical properties, such as ductility. The goal of this stu
Externí odkaz:
https://doaj.org/article/6cdfe808fb0847ba89e901430d29d5d2
Publikováno v:
Materials, Vol 9, Iss 11, p 874 (2016)
Titanium and its alloys have been widely used as implant materials due to their excellent mechanical property and biocompatibility. In the present study, the effect of glucose concentration on corrosion behavior of pure titanium TA2 in Hanks’ simul
Externí odkaz:
https://doaj.org/article/8d634dc623f74df9855c3167e49a73d3