Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Yunchao FENG"'
Autor:
Yunchao Feng, Hongtao Wang, Tianxiang Chen, Miguel Lopez-Haro, Feng He, Zhe He, Carlo Marini, Benedict Tsz Woon Lo, Lichen Liu
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)
Abstract A fundamental understanding of the active sites in working catalysts can guide the rational design of new catalysts with improved performances. In this work, we have followed the evolution of homogeneous and heterogeneous Pd catalysts under
Externí odkaz:
https://doaj.org/article/7262fbdeede2445c814153c3032dbf62
Publikováno v:
Heliyon, Vol 10, Iss 7, Pp e29039- (2024)
Rural tourism is a powerful way to revitalize the countryside, and its spatial pattern is crucial for sustainable development. This paper analyzes the spatial distribution of rural tourism characteristic villages in Henan Province by taking 723 villa
Externí odkaz:
https://doaj.org/article/e1eeb099d933418ea93a34caa958dea6
Autor:
Weiping Deng, Yunchao Feng, Jie Fu, Haiwei Guo, Yong Guo, Buxing Han, Zhicheng Jiang, Lingzhao Kong, Changzhi Li, Haichao Liu, Phuc T.T. Nguyen, Puning Ren, Feng Wang, Shuai Wang, Yanqin Wang, Ye Wang, Sie Shing Wong, Kai Yan, Ning Yan, Xiaofei Yang, Yuanbao Zhang, Zhanrong Zhang, Xianhai Zeng, Hui Zhou
Publikováno v:
Green Energy & Environment, Vol 8, Iss 1, Pp 10-114 (2023)
In the search of alternative resources to make commodity chemicals and transportation fuels for a low carbon future, lignocellulosic biomass with over 180-billion-ton annual production rate has been identified as a promising feedstock. This review fo
Externí odkaz:
https://doaj.org/article/0d254c28a80f48138b01c4dd763a15b6
Autor:
Guihua Yan, Yunchao Feng, Huiqiang Wang, Yong Sun, Xing Tang, Wenjing Hong, Xianhai Zeng, Lu Lin
Publikováno v:
Communications Materials, Vol 1, Iss 1, Pp 1-8 (2020)
Hydrogels are attractive for the treatment of waste water, but their mechanical properties are typically reduced when underwater. Here, a synthesis strategy is reported for a graphene oxide-coated hydrogel which can catalyze organic dye degradation i
Externí odkaz:
https://doaj.org/article/377a4167472d454182e718debeac8833
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2202 (2023)
A simple and efficient flow field visualization method (based on shadow imaging) was applied in a direct-connect test to explore the influence of the momentum flux ratio and the jet angle on the formation and evolution of nitrogen jets in supersonic
Externí odkaz:
https://doaj.org/article/c97e8776dc854580802915d35a92ae34
Publikováno v:
International Journal of Aerospace Engineering, Vol 2021 (2021)
In this paper, a modular solid scramjet combustor with multicavity was proposed. The influence of multicavity shape on the performance of solid scramjet was investigated by the direct-connected tests. The experiments simulated a flight Mach 5.5 at 25
Externí odkaz:
https://doaj.org/article/be76f0787b2d4d5e91a94f263d316635
Publikováno v:
International Journal of Aerospace Engineering, Vol 2020 (2020)
In this study, a CO2 laser ignition experimental system was built to study the ignition process and characteristics of the Nitrate Ester Plasticized Polyether (NEPE) propellant. The effect of the energy density, ingredients, and the grain size distri
Externí odkaz:
https://doaj.org/article/c04943996c504089b8c74bcbbf1efa7f
Publikováno v:
Energies, Vol 14, Iss 17, p 5589 (2021)
The solid scramjet has become one of the most promising engine types. In this paper, we report the first direct-connect test of a solid scramjet with symmetrical structure, carried out using boron-based fuel-rich solid propellant as fuel. During the
Externí odkaz:
https://doaj.org/article/c3d1e650e5a9475295e46c4be2a5d798
Publikováno v:
Applied Sciences, Vol 11, Iss 4, p 1774 (2021)
In this study, a quasi-steady combustion model of an aluminum particle is established, which is more accurate to simulate the physical combustion process. Detailed gas-phase reaction mechanism and surface reaction mechanism are considered. Moreover,
Externí odkaz:
https://doaj.org/article/419212ee2af74f80bd080b63c5a5c882
Publikováno v:
International Journal of Education and Humanities. 8:230-236
With the deepening of aging, pension institutions have gradually become the focus of research, and the reasonable distributions and locations of pension institutions have great impact on their own functions. Taking Henan Province as the study area, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bebff1c68b2210067c2782eabe6fc45e
https://doi.org/10.54097/ijeh.v8i2.7820
https://doi.org/10.54097/ijeh.v8i2.7820