Zobrazeno 1 - 10
of 2 627
pro vyhledávání: '"Cheng Chu"'
Publikováno v:
BMC Neurology, Vol 24, Iss 1, Pp 1-8 (2024)
Abstract Background Excessive daytime sleepiness (EDS) is a common complication of stroke that has a detrimental effect on patients’ daily life and functional recovery. The clinical characteristics and risk factors for poststroke EDS may differ bet
Externí odkaz:
https://doaj.org/article/214f5b4e63d84e349f1c69afc059b28c
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4263-4281 (2023)
The hot deformation behaviors and softening mechanism of 6%Si high-silicon austenitic stainless steel were investigated under deformation conditions of 1000–1200 °C/0.01–10 s−1. The constitutive equation was established based on the stress-str
Externí odkaz:
https://doaj.org/article/e96f8470b1fc47b491cb59df2f0d2f4e
Autor:
Cheng Chu, Wang Xinyu, Song Kexing, Song Ziwei, Dou Zhihe, Zhang Mengen, Liu Haitao, Li Xiaoheng, Niu Liye
Publikováno v:
Nanotechnology Reviews, Vol 12, Iss 1, Pp 105648-803 (2023)
CuW composite fabricated by powder metallurgy using ultrafine metal powders as raw materials has the disadvantages such as uneven microstructure and low compactness. A novel method of synthesizing an as-cast CuW composite ingot via an aluminothermic
Externí odkaz:
https://doaj.org/article/e9d95f6027f84af4a0182c8cd5f0a2a5
Publikováno v:
Nanotechnology Reviews, Vol 12, Iss 1, Pp 23-39 (2023)
Thiosulfate is a green leaching agent used in the hydrometallurgical process because it is both environmentally benign and can form the required soluble ion complexes. In this article, a novel method for the synthesis of CdS–Ag2S nanocomposites fro
Externí odkaz:
https://doaj.org/article/9399268d0435414f8eaa88b71d1100c6
Effects of microalloying elements added by in situ synthesis on the microstructure of WCu composites
Autor:
Cheng Chu, Song Ziwei, Wang Lingfeng, Zhao Long, Wang Lisha, Guo Linfang, Shi Bowen, Song Kexing
Publikováno v:
Nanotechnology Reviews, Vol 11, Iss 1, Pp 760-769 (2022)
The addition of microalloying elements improves the microstructure and properties of copper-based materials. In this study, WCu composites are synthesized in situ with Fe, Ni, or Mn as microalloying elements, and the effects of each element on the mi
Externí odkaz:
https://doaj.org/article/04ae66108efc453ca2c7df2cf667097b
We consider Bayesian algorithm execution (BAX), a framework for efficiently selecting evaluation points of an expensive function to infer a property of interest encoded as the output of a base algorithm. Since the base algorithm typically requires mo
Externí odkaz:
http://arxiv.org/abs/2410.20596
Publikováno v:
Reviews on Advanced Materials Science, Vol 60, Iss 1, Pp 591-598 (2021)
Copper alloy rod billet with 20% silver was prepared using homemade three-chamber vacuum cold-type vertical continuous casting equipment. The variation rules of the microhardness, eutectic ratio, and size and distribution of silver particles precipit
Externí odkaz:
https://doaj.org/article/bbdbfe628d124c36ad944acb9369d71d
Microstructural evolution and properties of Cu–20 wt% Ag alloy wire by multi-pass continuous drawing
Autor:
Cheng Chu, Song Kexing, Mi Xujun, Wu Baoan, Xiao Zhu, Xie Haofeng, Zhou Yanjun, Guo Xiuhua, Liu Haitao, Chen Dingbiao, Shen Xiaoyu, Ding Yong
Publikováno v:
Nanotechnology Reviews, Vol 9, Iss 1, Pp 1359-1367 (2020)
The Cu–20 wt% Ag alloy wire rod was prepared using three-chamber vacuum cold mold vertical continuous up-casting followed by multi-pass continuous drawing. The evolution of microstructure, mechanical property, and electrical property of the Cu–20
Externí odkaz:
https://doaj.org/article/dee762c3527c45a881ead868d0fbc1d8
Preferential Bayesian optimization (PBO) is a framework for optimizing a decision-maker's latent preferences over available design choices. While preferences often involve multiple conflicting objectives, existing work in PBO assumes that preferences
Externí odkaz:
http://arxiv.org/abs/2406.14699
Sequential optimization methods are often confronted with the curse of dimensionality in high-dimensional spaces. Current approaches under the Gaussian process framework are still burdened by the computational complexity of tracking Gaussian process
Externí odkaz:
http://arxiv.org/abs/2401.02650