Zobrazeno 1 - 10
of 3 428
pro vyhledávání: '"X. L. Yang"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 7, Pp 1345-1355 (2023)
In order to reduce the temperature in the marine engine cabin, improve the working environment of the staff and meet the economy and emission requirements, the cooling system of the engine was experimentally investigated in the present study. In this
Externí odkaz:
https://doaj.org/article/dc1c5014ef6e4dfcae7f05edc00fe76f
Autor:
J. Lang, F. J. Xu, Y. H. Sun, N. Zhang, J. M. Wang, B. Y. Liu, L. B. Wang, N. Xie, X. Z. Fang, X. N. Kang, Z. X. Qin, X. L. Yang, X. Q. Wang, W. K. Ge, B. Shen
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 1, Pp 1-8 (2021)
Carrier velocity modulation by asymmetrical concave quantum barriers to improve the performance of AlGaN-based deep-ultraviolet light emitting diodes has been investigated. The concave structure is realized by inserting a low Al composition AlGaN lay
Externí odkaz:
https://doaj.org/article/b9c2f8fb4004422c8f36c6691197dd79
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 601-604 (2020)
Ecology and environmental suitability are widely used in urban ecology and regional ecology. However, there is still a lack of systematic evaluation method system for the research impacts of tourism development and tourism resource development on eco
Externí odkaz:
https://doaj.org/article/7342c0d60a9444ff964be00a027c67c7
Publikováno v:
Estudios Geologicos, Vol 75, Iss 2, Pp e098-e098 (2019)
Los trilobites oryctocefálidos del tránsito ‘Cámbrico inferior-medio’ representan herramientas clave para la correlación internacional. Las zonas de trilobites en China meridional a través del tránsito Serie cámbrica 2-Miaolingiense se bas
Externí odkaz:
https://doaj.org/article/0243919b33264dd4877bef6d509f8624
Autor:
X. Tan, Y. J. Lv, X. Y. Zhou, Y. G. Wang, X. B. Song, G. D. Gu, P. F. Ji, X. L. Yang, B. Shen, Z. H. Feng, S. J. Cai
Publikováno v:
AIP Advances, Vol 8, Iss 8, Pp 085202-085202-6 (2018)
In this work, a Wheatstone bridge-type pressure sensor based on AlGaN/GaN heterostructure was fabricated for the first time. The pressure sensor consisted of four gateless high electron mobility transistors (HEMTs) on a 585 μm depth circular membran
Externí odkaz:
https://doaj.org/article/f056056a683b4a85ad1889e2054dce1c
Publikováno v:
Radioengineering, Vol 24, Iss 2, Pp 449-454 (2015)
A frequency-reconfigurable coplanar-waveguide (CPW) fed monopole antenna using switchable stubbed ground structure is presented. Four PIN diodes are employed in the stubs stretching from the ground to make the antenna reconfigurable in three operatin
Externí odkaz:
https://doaj.org/article/bcf51941d508402dada1fa516df59cc5
Publikováno v:
Proceedings of the International Association of Hydrological Sciences, Vol 371, Pp 89-94 (2015)
Droughts are becoming the most expensive natural disasters in China and have exerted serious impacts on local economic development and ecological environment. The fifth phase of the Coupled Model Intercomparison Project (CMIP5) provides a unique o
Externí odkaz:
https://doaj.org/article/abe5c06dece340eaa26cd08bae4f3561
Publikováno v:
IEEE Photonics Journal, Vol 2, Iss 2, Pp 130-140 (2010)
The transmission performance of multichannel adaptively modulated optical orthogonal frequency-division multiplexing (AMOOFDM) signals is investigated numerically, for the first time, in optical-amplification-free and chromatic-dispersion-compensatio
Externí odkaz:
https://doaj.org/article/c28f2e53f4d848f3a60d2c9dec301974
Publikováno v:
The Aeronautical Journal. 127:1037-1047
As a basic flow model for engineering applications, wall-bounded turbulent flow has been widely studied in the field of aero-optics, but the flow control methods that could effectively suppress aero-optical effects are relatively rare. As an urgent r
Publikováno v:
Physical Review B. 107