Results 41 to 50 of about 139,215 (332)
Migration reversal of soft particles in vertical flows [PDF]
Europhys. Lett (EPL) 119,64003 (2017), 2017 Non-neutrally buoyant soft particles in vertical microflows are investigated. We find, soft particles lighter than the liquid migrate to off-center streamlines in a downward Poiseuille flow (buoyancy-force antiparallel to flow). In contrast, heavy soft particles migrate to the center of the downward (and vanishing) Poiseuille flow.
arxiv +1 more source
Priorities for addressing substance use disorder in humanitarian settings
Conflict and Health, 2021 Background Populations affected by humanitarian emergencies are vulnerable to substance (alcohol and other drug) use disorders, yet treatment and prevention services are scarce.
M. Claire Greene +10 more
doaj +1 more source
Orbits of radial migrators and non-migrators around a spiral arm in N-body simulations [PDF]
, 2013 Recent numerical N-body simulations of spiral galaxies have shown that spiral arms in N-body simulations seem to rotate at a similar speed to the local rotation speed of the stellar disc material. This in turn yields winding, transient and recurrent spiral structure, whose co-rotating nature gives rise to changes in the angular momentum (radial ...
arxiv +1 more source
Inflated Eccentric Migration of evolving gas giants II: Numerical methodology and basic concepts [PDF]
, 2021 Hot and Warm Jupiters (HJs&WJs) are gas-giant planets orbiting their host stars at short orbital periods, posing a challenge to their efficient in-situ formation. Therefore, most of the HJs&WJs are thought to have migrated from an initially farther-out birth locations.
arxiv +1 more source
BMJ Open, 2020 Purpose In the field of forced migration and mental health research, longitudinal studies with large sample sizes and rigorous methodology are lacking.
Fredrik Saboonchi +4 more
doaj +1 more source
Frontiers in Sociology, 2023 In 2015 and 2016, almost two and a half million forced migrants entered the European Union. Most of them arrived in the European Union from Syria, but there were also forced migrants from Iraq, Afghanistan, and other countries.
Ludger Pries, Berna Safak Zulfikar Savci
doaj +1 more source
Vertical instability and inclination excitation during planetary migration [PDF]
Celestial Mechanics and Dynamical Astronomy, Volume 119, Issue
3-4, pp. 221-235 (2014), 2014 We consider a two-planet system, which migrates under the influence of dissipative forces that mimic the effects of gas-driven (Type II) migration. It has been shown that, in the planar case, migration leads to resonant capture after an evolution that forces the system to follow families of periodic orbits.
arxiv +1 more source
Unusual acceleration and size effects in grain boundary migration with shear coupling [PDF]
arXiv, 2023 Grain boundary (GB) migration plays a crucial role in the thermal and mechanical responses of polycrystalline materials, particularly in ultrafine-grained and nano-grained materials exhibiting grain size-dependent properties. This study investigates the migration behaviors of a set of GBs in Ni through atomistic simulations, employing synthetic driving
arxiv
EconomiesIn an increasingly mobile world, the integration of immigrants and displaced individuals is an important factor in creating cohesive and inclusive societies.
Mitra Naseh +5 more
doaj +1 more source
FEBS Letters, EarlyView.In lymphoid organs, antigen recognition and B cell receptor signaling rely on integrins and the cytoskeleton. Integrins act as mechanoreceptors, couple B cell receptor activation to cytoskeletal remodeling, and support immune synapse formation as well as antigen extraction.
Abhishek Pethe, Tanja Nicole Hartmann
wiley +1 more source