Results 1 to 10 of about 2,492,535 (278)

Real-Time Kinematic Imagery-Based Automated Levelness Assessment System for Land Leveling

open access: yesAgriculture, 2023
Many cropping systems, notably for rice or soybean production, rely largely on arable land levelness. In this study, an automated levelness assessment system (ALAS) for evaluating lowland levelness is proposed.
Senlin Guan   +4 more
doaj   +1 more source

Omnidirectional Continuous Movement Method of Dual-Arm Robot in a Space Station

open access: yesSensors, 2023
The burgeoning complexity of space missions has amplified the research focus on robots that are capable of assisting astronauts in accomplishing tasks within space stations.
Ziqiang Zhang   +7 more
doaj   +1 more source

Rotated odometers

open access: yesJournal of the London Mathematical Society, 2023
AbstractWe describe the infinite interval exchange transformations, called the rotated odometers, which are obtained as compositions of finite interval exchange transformations and the von Neumann–Kakutani map. We show that with respect to Lebesgue measure on the unit interval, every such transformation is measurably isomorphic to the first return map ...
Bruin, H., Lukina, O.
openaire   +4 more sources

Learning Rotations [PDF]

open access: yesMathematical Methods in the Applied Sciences, 2021
Many problems in computer vision today are solved via deep learning. Tasks like pose estimation from images, pose estimation from point clouds or structure from motion can all be formulated as a regression on rotations. However, there is no unique way of parametrizing rotations mathematically: matrices, quaternions, axis-angle representation or Euler ...
Alberto Pepe   +2 more
openaire   +3 more sources

Rotational autokeratoplasty [PDF]

open access: yesEye, 1989
The results of sixteen patients who had undergone ipsilateral rotational autokeratoplasty are presented. Thirteen patients obtained significant visual improvement, and eight patients achieved an acuity of 6/12 or better. There were no significant pre-operative or post-operative complications.
P J, McDonnell, M G, Falcon
openaire   +2 more sources

How to improve superlubricity performance of diketone at steel interface: Effects of oxygen gas

open access: yesFriction, 2022
Achievement of steady and reliable super-low friction at the steel/steel contact interface, one of the most tribological systems applied for mechanical moving parts, is of importance for prolonging machine lifetime and reducing energy consumption.
Yuanyuan Jiang   +8 more
doaj   +1 more source

El Museo de los Desplazados

open access: yesPerifèria: Revista de Recerca i Formació en Antropologia, 2013
Museo de los Desplazados es una plataforma de colaboración que surge como conclusión del proyecto “Gentrificación no es un nombre de señora”, en el que se analiza el papel de la cultura en los procesos de gentrificación.
Left Hand Rotation
doaj   +1 more source

Finite rotations [PDF]

open access: yesThe Physics Teacher, 1998
We discuss two basic properties of angular displacements, namely, the anticommutation of finite rotations, and the commutation of infinitesimal rotations, and show how commutation is achieved as the angular displacement gets smaller and smaller.
Bolina, Oscar, Neto, J. A. da Silva
openaire   +2 more sources

Effect of Black Garlic Extract on Blood Glucose, Lipid Profile, and SGPT-SGOT of Wistar Rats Diabetes Mellitus Model

open access: yesMajalah Kedokteran Bandung, 2019
Dyslipidemia is one of the complications of diabetes mellitus (DM) that can lead to elevated total cholesterol, TG, and LDL. Increased SGOT-SGPT indicates damage of hepatic cells.
Gita Sekar Prihanti   +4 more
doaj   +1 more source

Nonlinear Dynamic Analysis of Rotor-Bearing-Pedestal Systems With Multiple Fit Clearances

open access: yesIEEE Access, 2020
Dynamic analysis of a rotor-bearing-pedestal system with multiple bearing clearances is conducted in this study. Firstly, Jones-Harris method is used to deduce the equivalent nonlinear support stiffness of angular contact high-speed ball bearing with ...
Dengyun Wu   +6 more
doaj   +1 more source

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