Results 71 to 80 of about 4,671,452 (419)

Comments on "Type II migration strikes back -- An old paradigm for planet migration in discs" by Scardoni et al [PDF]

open access: yes, 2020
In the conventional view of type II migration, a giant planet migrates inward in the viscous velocity of the accretion disc in the so-call disc-dominate case. Recent hydrodynamic simulations, however, showed that planets migrate with velocities much faster than the viscous one in massive discs.
arxiv   +1 more source

Child migrants in Africa [PDF]

open access: yes, 2011
Child Migration in Africa explores the mobility of children without their parents within West Africa. Drawing on the experiences of children from rural Burkina Faso and Ghana, the book provides rich material on the circumstances of children's voluntary ...
Hashim, Iman, Thorsen, Dorte
core   +1 more source

Interaction vesicles as emerging mediators of host‐pathogen molecular crosstalk and their implications for infection dynamics

open access: yesFEBS Letters, EarlyView.
Interaction extracellular vesicles (iEVs) are hybrid vesicles formed through host‐pathogen communication. They facilitate immune evasion, transfer pathogens' molecules, increase host cell uptake, and enhance virulence. This Perspective article illustrates the multifunctional roles of iEVs and highlights their emerging relevance in infection dynamics ...
Bruna Sabatke   +2 more
wiley   +1 more source

Efficient Large-Scale Multiple Migration Planning and Scheduling in SDN-enabled Edge Computing [PDF]

open access: yesarXiv, 2021
The containerized services allocated in the mobile edge clouds bring up the opportunity for large-scale and real-time applications to have low latency responses. Meanwhile, live container migration is introduced to support dynamic resource management and users' mobility.
arxiv  

Impact of internal migration on population redistribution in Europe: Urbanisation, counterurbanisation or spatial equilibrium? [PDF]

open access: yesComparative Population Studies, [S.l.], v. 44, nov. 2019, 2019
The classical foundations of migration research date from the 1880s with Ravenstein's Laws of migration, which represent the first comparative analyses of internal migration. While his observations remain largely valid, the ensuing century has seen considerable progress in data collection practices and methods of analysis, which in turn has permitted ...
arxiv   +1 more source

The Migration Machine

open access: yes, 2011
Anyone travelling to Europe these days comes across not only barriers but also an increasing amount of technology. Bona fide travellers are offered high-tech initiatives (such as iris scans) in the hope that the desire for safety can still be combined with freedom of movement for all citizens.
Dijstelbloem, H.   +2 more
openaire   +5 more sources

Migrating Planets [PDF]

open access: yesScience, 1998
A planet orbiting in a disk of planetesimals can experience an instability in which it migrates to smaller orbital radii. Resonant interactions between the planet and planetesimals remove angular momentum from the planetesimals, increasing their eccentricities.
Matt Holman   +3 more
openaire   +3 more sources

STAT3 expression is reduced in cardiac pericytes in HFpEF and its loss reduces cellular adhesion and induces pericyte senescence

open access: yesFEBS Letters, EarlyView.
Heart failure with preserved ejection fraction (HFpEF) accounts for half of the heart failure cases. It is characterised by microvascular dysfunction, associated with reduced pericyte coverage and diminished STAT3 expression in pericytes. Loss of STAT3 impairs pericyte adhesion, promotes senescence, and activates a pro‐fibrotic gene program.
Leah Rebecca Vanicek   +15 more
wiley   +1 more source

Migrant arrivals and deaths in the Mediterranean: what do the data really tell us?

open access: yesForced Migration Review, 2016
The policy and media gaze focuses on numbers of migrant arrivals and deaths. There are problems in the data for both categories.
Frank Laczko   +3 more
doaj  

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