Results 51 to 60 of about 63,844 (255)
FEBS Open Bio, EarlyView.Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young +7 more
wiley +1 more source
Jixie chuandong, 2020 Taking the circular arc tooth trace cylindrical gear（CATT gear） processed by parallel link mechanism as an object of study， a 3D model of CATT gear with eccentric error is created by UG NX10.0， and then the dynamics model of CATT gear with eccentricity ...
Dengqiu Ma +6 more
doaj
Advances in Mechanical Engineering, 2017 This article investigates the meshing performance of planetary roller screws applying rollers with circular, elliptical, and parabolic threads. A mathematical model is established for the thread surface, and a method for analytically calculating the ...
Yanqiang Liu, Yu Shang, Jianshen Wang
doaj +1 more source
A basis for the analysis of surface geometry of spiral bevel gears [PDF]
, 1983 Geometrical procedures helpful in the fundamental studies of the surface geometry of spiral bevel gears are summarized. These procedures are based upon: (1) fundamental gear geometry and kinematics as exposited by Buckingham, et al; (2) formulas ...
Coy, J. J., Huston, R. L.
core +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick +19 more
wiley +1 more source
Identifying combinations of tetrahedra into hexahedra: a vertex based strategy
, 2018 Indirect hex-dominant meshing methods rely on the detection of adjacent tetrahedra an algorithm that performs this identification and builds the set of all possible combinations of tetrahedral elements of an input mesh T into hexahedra, prisms, or ...
Johnen, Amaury +3 more
core +1 more source
A new manual wheelchair propulsion system with self-locking capability on ramps [PDF]
, 2018 A wheelchair user faces many difficulties in their everyday attempts to use ramps, especially those of some length. The present work describes the design and build of a propulsion system for manual wheelchairs for use in ascending or descending long ...
Alonso, Francisco Javier +3 more
core +3 more sources
A Systematic Review and Meta‐Analysis of the Recurrence of Autoimmune Encephalitis
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Autoimmune encephalitis (AE) is a disease with a potential for recurrence, and patients receive immunotherapy to prevent it. However, there is no consensus on the duration of immunotherapy. This study aimed to determine the recurrence rate and identify the risk factors for AE to provide guidance on the duration of immunotherapy ...
Shangkai Bai +5 more
wiley +1 more source
Dynamic Analysis of High-Speed Helical Gear Transmission in Pure Electric Vehicle Gearbox
Shock and Vibration, 2020 This study is to systematically analyze the influences of time-varying meshing stiffness (TVMS) and meshing impact on the dynamic characteristics of high-speed gear transmission in the two-stage pure electric vehicle (PEV) gearbox, as well as the effect ...
Yanchao Zhang, Jinfu Du, Jin Mao, Min Xu
doaj +1 more source
Modelling of impact damage and permanent indentation on laminate composite plate [PDF]
, 2010 This paper deals with impact damage and permanent indentation modelling. A model enabling the formation of damages developing during a low velocity / low energy impact test on laminate composite panels has been elaborated.
Barrau, Jean-Jacques +2 more
core +1 more source