Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Jian-xun ZHANG"'
Publikováno v:
Orthopaedic Surgery, Vol 13, Iss 8, Pp 2382-2395 (2021)
Objectives To investigate the real‐time sensitive feedback parameter of the motor bur milling state in cervical spine posterior decompression surgery, to possibly improve the safety of cervical spine posterior decompression and robot‐assisted spi
Externí odkaz:
https://doaj.org/article/f9e7304fb78440a1af5903675cb9ced6
Publikováno v:
Guangtongxin yanjiu, Vol 00, Iss 03, Pp 1-5 (2021)
As a kind of non-periodic, random-like, and initial sensitive nonlinear dynamic phenomenon, chaos is an important transmission carrier for secure communication. Aiming at the problem of complex structure and difficult realization of the traditional c
Externí odkaz:
https://doaj.org/article/0932c398d6a74c169058d2bb76057841
Autor:
Hua-zheng GAO, Li-yan FENG, Ming-hai YU, Jian-xun ZHANG, Meng-yue SHI, Wei-sheng HU, Li-lin YI
Publikováno v:
Guangtongxin yanjiu, Vol 00, Iss 03, Pp 6-10 (2021)
In view of the complex structure and high cost of traditional chaotic lidar systems, this paper proposes two transmission schemes using Field Programmable Gate Array (FPGA) and Arbitrary Waveform Generator (AWG), based on the improved Logistic mappin
Externí odkaz:
https://doaj.org/article/cf8f53755bf548fc9a0c94166025cf61
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 13770-13780 (2020)
To study the forming rule, microstructures and mechanical properties of Al–Zn–Mg alloy samples produced by wire + arc additive manufacturing (WAAM), a metal inert gas (MIG) arc was used as the heat source and 1.2-mm-diameter Al–6.2Zn–2.2Mg we
Externí odkaz:
https://doaj.org/article/375d714741a54e8f8c5cb2df50396296
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 5, Pp 10498-10510 (2020)
By taking molybdenum (Mo) having favorable metallurgical compatibility with both titanium and iron as the interlayer material, the butt joint of TA1/Q235B layered bimetallic sheet with thickness of 6 mm was prepared by utilizing narrow gap multi-pass
Externí odkaz:
https://doaj.org/article/7d39b1f2c3ed42a0afa55f4e5c4ba327
Publikováno v:
工程科学学报, Vol 42, Iss 5, Pp 654-662 (2020)
Applying a steep pulse voltage of appropriate amplitude to a cell membrane can induce transient and reversible breakdown of the membrane, which has broad application prospects in biomedicine and clinical fields. However, the noise generated by the st
Externí odkaz:
https://doaj.org/article/311a820f7e7d4947919557194afd7f04
Autor:
Jie Ning, Lin-Jie Zhang, Liang-liang Zhang, Jian Long, Xian-qing Yin, Jian-Xun Zhang, Suck-Joo Na
Publikováno v:
Materials & Design, Vol 194, Iss , Pp 108829- (2020)
Modulated laser power hybrid welding (M-HW) of 4 mm-thick T2 pure copper was conducted to improve the welding stability. It was observed that the sinusoidal modulation of laser power in hybrid welding can reduce the incidence of weld defects such as
Externí odkaz:
https://doaj.org/article/22d83d2490384a50b492b78f1d0543e4
Publikováno v:
Materials & Design, Vol 192, Iss , Pp 108710- (2020)
By applying self-made intensive dual-phase steel alloy (IDP) powders for repairing various substrate materials, laser additive manufacturing (LAM) test was conducted on the surface of 2205 dual-phase stainless steels to evaluate performance of the la
Externí odkaz:
https://doaj.org/article/a864e64cb81c4343bf6ba445c176b6a3
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
This paper aimed to explore the performance of concrete with iron tailings sand modified by polypropylene fibers under aggressive environment. Three kinds of concrete (ordinary concrete, concrete with iron tailings sand (ITS), and concrete with ITS m
Externí odkaz:
https://doaj.org/article/274a195e8cd74bfe84e86e71cf2ece84
Publikováno v:
Materials & Design, Vol 181, Iss , Pp - (2019)
It is unable to strengthen molybdenum (Mo) through solid-state phase transformation, while exploring the effect of carbon (C) on microstructures and properties of fusion zone (FZ) of laser beam welding (LBW) joints of Mo alloy with serious grain boun
Externí odkaz:
https://doaj.org/article/cab7c892fa954e5d9300574742af1491