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Wyszukujesz frazę "Dong, Y" wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
The comparison of the effects of two approaches to control gully erosion in the Black Soil Region of China
Autorzy:
Dong, Y.
Wu, Y.
Wang, W.
Powiązania:
https://bibliotekanauki.pl/articles/294647.pdf
Data publikacji:
2011
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
gully control
soil fill
vegetation cover
Opis:
Gully erosion is an important form of soil erosion, however, little was done on the effect of gully erosion controlling approaches. A program for controlling gully erosion was carried out in Heshan Farm in black soil region of northeast China from 1994 to 1996 include two approaches: "Soil fill" and "Vegetation cover". From the investigation at 2009, Soil fill approach can protect the original place of gully erosion well, but this apporach ignores the whole impact at the catchment scale, and may cause to new gully appear. "Vegetation cover" approach is better to control gully erosion than "Soil fill" approach, but has little effect on controlling the headcut retreat.
Źródło:
Landform Analysis; 2011, 17; 43-46
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation of small uav position and attitude with reliable in-flight initial alignment for MEMS inertial sensors
Autorzy:
Wang, D.
Dong, Y.
Li, Q.
Wu, J.
Wen, Y.
Powiązania:
https://bibliotekanauki.pl/articles/221716.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
MEMS
INS
GNSS
in-flight alignment
unmanned aerial vehicle
Opis:
The advance of MEMS-based inertial sensors successfully expands their applications to small unmanned aerial vehicles (UAV), thus resulting in the challenge of reliable and accurate in-flight alignment for air-borne MEMS-based inertial navigation system (INS). In order to strengthen the rapid response capability for UAVs, this paper proposes a robust in-flight alignment scheme for airborne MEMS-INS aided by global navigation satellite system (GNSS). Aggravated by noisy MEMS sensors and complicated flight dynamics, a rotation-vector-based attitude determination method is devised to tackle the in-flight coarse alignment problem, and the technique of innovation-based robust Kalman filtering is used to handle the adverse impacts of measurement outliers in GNSS solutions. The results of flight test have indicated that the proposed alignment approach can accomplish accurate and reliable in-flight alignment in cases of measurement outliers, which has a significant performance improvement compared with its traditional counterparts.
Źródło:
Metrology and Measurement Systems; 2018, 25, 3; 603-616
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An analytical solution for dynamic response of water barrier subjected to strong shock waves caused by an underwater explosion to dams
Autorzy:
Lu, L.
Zou, D.
Zhu, Y.
Dong, Y.
Zuo, C.
Wu, Y.
Powiązania:
https://bibliotekanauki.pl/articles/260289.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
underwater explosion
shock wave
dam
analytical solution
dynamic response
Opis:
Shock waves arriving at a dam site are close to plane waves when the center of an underwater explosion is far from the dam site. In general, the wave pressure is calculated with COLE empirical formula. The COLE formula is a negative exponential function with respect to time. In this paper, a new analytical solution algorithm is proposed, which does not require the use of step-by-step time integration. In Comparison with the step-by-step time integration, the proposed algorithm requires relatively less calculation and avoids high-frequency oscillation. Furthermore, the vertical upstream surface and the sloping upstream surface in two types of the dams are analyzed in this paper. The research results indicate that the analytical solution can be applied for a dam with a vertical upstream surface. However, because the upstream face of a dam is inclined, the analytical solution can be obtained only for dams that are at lower height. Whenever the height of a dam is higher, then no analytical solution can be obtained, and only the use of step-by-step time integration can obtain a solution.
Źródło:
Polish Maritime Research; 2017, S 2; 111-117
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Glutathione-dependent regulation of cell proliferation and root meristem development
Autorzy:
Schnaubelt, D.
Queval, G.
Dong, Y.
Diaz-Vivancos, P.
Hannah, M.
Foyer, C.
Powiązania:
https://bibliotekanauki.pl/articles/79874.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
cell proliferation
root meristem
Arabidopsis thaliana
green fluorescent protein
nucleus
cytoplasm
glutathione redox potential
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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