Results 21 to 30 of about 214,191 (310)

Mathematical Modeling and Modal Switching Control of a Novel Tiltrotor UAV

Journal of Robotics, 2018
This paper concentrates on the flight control of a novel tiltrotor aircraft with fixed wings. This kind of aircraft has two flight modes and a transition mode.
Zhiwei Kong, Qiang Lu
doaj   +1 more source

Influence of body length on orthostatic test parameters of student-athletes

Здоров’я, спорт, реабілітація, 2020
Aim: to identify the influence of body length on the indicators of vegetative-vascular regulation of student-athletes.  Material and methods. The study involved 42 second-year students who play sports at the amateur level (qualification level - 2-3 ...
I.V. Borysenko, Cretu Marian, Z.L. Kozina   +2 more
doaj   +1 more source

Features of vascular regulation of students – future specialists in physical education and sports of different sports specializations with different body lengths

Здоров’я, спорт, реабілітація, 2021
Purpose: to reveal the features of the indicators of the orthostatic test in students with different body lengths and different sport´s specializations, studying in the specialty "Physical education and sports". Material and methods.
M. Cretu, I.V. Borysenko, V.V. Ushmarova, V.M. Grynyova, V.V. Masych   +4 more
doaj   +1 more source

Optimisation of Transition Areas between Ballastless Track and Ballasted Track in the Area of the Tunnel Turecky Vrch

Communications, 2018
The paper follows previously published papers in Communications - Scientific Letters of the University of Zilina No. 4/2014, No. 4/2015 and No. 4/2016, where were presented the results of the diagnostics of the track geometry of the experimental sections
Libor Izvolt, Jozef Harusinec, Michal Smalo   +2 more
doaj   +1 more source

Sonic methods for measuring crystal orientation fabric in ice, and results from the West Antarctic ice sheet (WAIS) Divide

Journal of Glaciology, 2017
We describe methods for measuring crystal orientation fabric with sonic waves in an ice core borehole, with special attention paid to vertical-girdle fabrics that are prevalent at the WAIS Divide.
DAN KLUSKIEWICZ, EDWIN D. WADDINGTON, SRIDHAR ANANDAKRISHNAN, DONALD E. VOIGT, KENICHI MATSUOKA, MICHAEL P. McCARTHY   +5 more
doaj   +1 more source

Transition Flight Control and Simulation of a Novel Tail-Sitter UAV With Varying Fuselage Shape

IEEE Access, 2021
This article studies the model, control and simulation on transition flight of a novel tail-sitter with vertical takeoff and landing capability. The proposed tail-sitter adopts an innovative varying fuselage shape design to break the technical bottleneck
Xinglu Xia, Muqing Yang, Gang Chen, Liang Zhang, Jiajia Hou   +4 more
doaj   +1 more source

Vertices of the generalized transitive tournament polytype

Discrete Mathematics, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Long-time resistivity monitoring of a freshwater/saltwater transition zone using the vertical electrode system SAMOS

E3S Web of Conferences, 2018
In September 2009 two newly developed vertical electrode systems were installed in boreholes in the water catchment areas Waterdelle and Ostland at the North Sea island Borkum to monitor possible changes of the transition zone between the freshwater lens
Grinat Michael, Epping Dieter, Meyer Robert   +2 more
doaj   +1 more source

Reference Vertical Excitation Energies for Transition Metal Compounds

Journal of Chemical Theory and Computation, 2023
17 pages, 3 ...
Jacquemin, Denis, Kossoski, Fábris, Gam, Franck, Boggio-Pasqua, Martial, Loos, Pierre-François   +4 more
openaire   +5 more sources

A carbonate-banded iron formation transition in the Early Protorezoicum of South Africa [PDF]

, 1992
Seven new and two resurveyed stratigraphic sections through the important carbonate-BIF transition in Griqualand West are presented and compared with six published sections.
Lamprecht, W., Altermann, Wladyslaw, Horstmann, U. E., Hälbich, Ingo W.   +3 more
core   +1 more source