Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Daisheng Zhang"'
Publikováno v:
Electronic Research Archive, Vol 31, Iss 4, Pp 1982-1997 (2023)
In order to solve the problem of insufficient range caused by the excessive weight of the pure electric bus, a multi-objective genetic algorithm (GA) and radial basis function (RBF) model are combined in this paper to realize the lightweighting of st
Externí odkaz:
https://doaj.org/article/a01e61df15104cbfbfb6b20e3738c779
Publikováno v:
Vibration Engineering for a Sustainable Future ISBN: 9783030476175
A novel dual-motor input powertrain with three-speed transmission (DM3ST) of electric vehicle (EV) is proposed in this paper; it has dual power inputs with a simple and compacted structure. It can operate in three gears and five driving modes by inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb3e280a30051ffaadd3903fdea88e43
https://doi.org/10.1007/978-3-030-47618-2_21
https://doi.org/10.1007/978-3-030-47618-2_21
Autor:
Daisheng Zhang, Yunqing Cai
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 811:012052
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f51f1bf6ba9eb27cc26c50cd8aedc89
https://doi.org/10.1088/1757-899x/811/1/012052
https://doi.org/10.1088/1757-899x/811/1/012052
Publikováno v:
Journal of Nanoscience and Nanotechnology. 11:9770-9773
Er3+-Yb3+ codoped hexagonal NaYF4 nanocrystals were prepared via a method of thermal decomposition of stearate precursor. Their crystal structure, morphologies and photoluminescence (PL) properties were characterized by XRD, SEM, and fluorescence spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac40090d9225121b904821cb8c51344f
https://doi.org/10.1166/jnn.2011.5257
https://doi.org/10.1166/jnn.2011.5257
Publikováno v:
Journal of Nanoscience and Nanotechnology. 11:9761-9764
NaYF4:Yb, Tm/TiO2 core/shell nanoparticles were synthesized by a two-step method. First, the NaYF4:Yb, Tm nanocrystals were prepared using solvothermal technology; then, TiO2 shells were deposited on the nanocrystals by the hydrolysis of titanium eth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ca1bd42a87b2c488fd88ee086f1ee68
https://doi.org/10.1166/jnn.2011.5251
https://doi.org/10.1166/jnn.2011.5251
Publikováno v:
Energy Policy. 39:4115-4124
Facing the mounting pressure on energy security and increasing environmental concerns about air pollution and climate change, the Chinese government set a mandatory goal of 20% reduction of energy intensity in its 11th Five-Year Plan period (FYP, 200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eeda660156cf691647018decfeddd03
https://doi.org/10.1016/j.enpol.2011.03.085
https://doi.org/10.1016/j.enpol.2011.03.085
Publikováno v:
Journal of Alloys and Compounds. 509:5848-5852
High-order ultraviolet (UV) upconversion (UC) emissions of Gd 3+ and Er 3+ ions were observed in NaYF 4 :Yb 3+ /Gd 3+ /Er 3+ microcrystals under 980 nm excitation. These UC emissions came from six- and five-photon UC processes at low pump power range
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cc19a3a975c806ccf2d6649c293a733
https://doi.org/10.1016/j.jallcom.2011.02.144
https://doi.org/10.1016/j.jallcom.2011.02.144
Publikováno v:
Optical Materials. 33:783-787
Under 1560 nm excitation, ultraviolet (UV) upconversion (UC) emissions of Gd3+ and Er3+ ions were observed in β-NaYF4:Yb3+/Gd3+/Er3+ microcrystals, which were synthesized through a facile EDTA-assisted hydrothermal method. Experimental analysis exhi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d762441456eebf7898706a705040a760
https://doi.org/10.1016/j.optmat.2010.12.012
https://doi.org/10.1016/j.optmat.2010.12.012
Publikováno v:
Journal of Fluorine Chemistry. 132:5-8
Yb3+/Er3+ codoped β-NaYF4 microcrystals were synthesized through a facile EDTA-assisted hydrothermal method. Under 980 nm excitation, 244, 256, and 276 nm upconversion (UC) emissions were observed in NaYF4:Yb3+/Er3+ microcrystals, which were assigne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43cd19eee63197983e6c409e807ae233
https://doi.org/10.1016/j.jfluchem.2010.10.003
https://doi.org/10.1016/j.jfluchem.2010.10.003
Publikováno v:
Journal of Nanoscience and Nanotechnology. 10:1939-1942
YF3:Ce3+, YF3:Tb3+, and YF3:Ce3+/Tb3+ nanocrystals were synthesized by an ethylenediaminetetraacetic acid (EDTA)-assisted hydrothermal method and characterized by X-ray diffraction and scanning electron microscope. In the excitation spectra, there is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ede6098f505e72b1773f8d29a0a24b60
https://doi.org/10.1166/jnn.2010.2119
https://doi.org/10.1166/jnn.2010.2119