Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Guangfeng Shi"'
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 5, Pp 632-643 (2024)
Objectives: Circular edge chamfering PCD turning tools often feature a chamfered surface at the cutting edge to enhance tool durability. However, the arc at the tool tip causes a large amount of chip accumulation in front of the tool, making chip dis
Externí odkaz:
https://doaj.org/article/4ae8442d61204b16b8b5499c316c947e
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract In this paper, a combination of theoretical modeling, finite element simulation, and experimental methods is employed to investigate the forming mechanism and evolutionary pattern of the stagnant region during mechanical scratching with a di
Externí odkaz:
https://doaj.org/article/1179671904f04c8e888033218c1ea003
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 43, Iss 6, Pp 720-726 (2023)
To improve the surface quality of natural diamond grinding, the ultrasonic vibration was introduced for composite grinding, and an inelastic collision theory model was established to calculate the amplitude of ultrasonic vibration. The effects of ult
Externí odkaz:
https://doaj.org/article/10f0c09863c842ee866ff865e93ef4bc
Autor:
Jianwei Che, Guangfeng Shi
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4723-4737 (2023)
NiTi alloy has been widely used in mechanical and electronic, aerospace, energy and transportation, petrochemical industry and various biomedicine fields due to its unique super elasticity and shape memory effect. The traditional polishing method of
Externí odkaz:
https://doaj.org/article/5f9862fbb5d3472aa30550d41c9ba743
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 1558-1571 (2023)
The pesticide residues with low concentration are important to detect in food safety. Although a lot of methods, such as spectrophotometry, colorimetry and liquid chromatography, are used to detect pesticide residues, they often suffer from low effic
Externí odkaz:
https://doaj.org/article/1744bcb7bdaf47fc8c544cd1916dfdda
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 34, Iss 1, Pp 1-14 (2021)
Abstract Nickel-based alloy coatings were widely used for the remanufacturing of dies and moulds by laser cladding, but the crack sensitivity would be increase due to the higher strength and hardness, which reduced the wear resistance of Ni-based all
Externí odkaz:
https://doaj.org/article/9b05a15a43b24cb591c757130574d44d
Autor:
Jingran Zhang, Tianqi Jia, Xiaoping Li, Junjie Yang, Zhengkai Li, Guangfeng Shi, Xinming Zhang, Zuobin Wang
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 11, Iss 1, Pp 1568-1576 (2020)
Based on an electrochemical method, three-dimensional arrayed nanopore structures are machined onto a Mg surface. The structured Mg surface is coated with a thin gold (Au) film, which is used as a surface-enhanced Raman scattering (SERS) substrate. A
Externí odkaz:
https://doaj.org/article/4e62559e05854639af2df9a4476b90b2
Autor:
Jingran Zhang, Tianqi Jia, Yongda Yan, Li Wang, Peng Miao, Yimin Han, Xinming Zhang, Guangfeng Shi, Yanquan Geng, Zhankun Weng, Daniel Laipple, Zuobin Wang
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 2483-2496 (2019)
Nanostructures have been widely employed in surface-enhanced Raman scattering (SERS) substrates. Recently, in order to obtain a higher enhancement factor at a lower detection limit, hierarchical structures, including nanostructures and nanoparticles,
Externí odkaz:
https://doaj.org/article/03d157ac9d0e4006bf4e7a37757b68f4
Publikováno v:
Machines, Vol 11, Iss 1, p 5 (2022)
To obtain high-resolution and high-precision images, the aviation remote sensing stabilization platform (ARSSP) is used, which enables the isolation of unpredictable aerial camera movements during aerial photography. However, because of the interaxle
Externí odkaz:
https://doaj.org/article/1dc99b4f4cd44238a31a706302e8c7d5
Autor:
Rongrong Ding, Jianming Zheng, Ning Li, Qi Cheng, Mengqi Zhu, Yanbing Wang, Xinlan Zhou, Zhanqing Zhang, Guangfeng Shi
Publikováno v:
PeerJ, Vol 9, p e11374 (2021)
Background Hepatic fibrosis is a common response to chronic liver injury. Recently, the role of DZNep (a histone methyltransferase EZH2 inhibitor) in repressing pulmonary and renal fibrosis was verified. However, the potential effect of DZNep on hepa
Externí odkaz:
https://doaj.org/article/c46748a6e06a4aee8aad9b5f6c608f99