Results 11 to 20 of about 477,928 (368)

Effectiveness of interventions to increase device-measured physical activity in pregnant women: systematic review and meta-analysis of randomised controlled trials

open access: yesInternational Journal of Behavioral Nutrition and Physical Activity, 2022
Background Interventions that provide pregnant women with opportunities to access and participate in physical activity have been shown to be beneficial to their health. Much of this evidence however has been based on self-reported physical activity data,
Kayleigh J. Sharp   +4 more
doaj   +1 more source

CLIMB-COVID: continuous integration supporting decentralised sequencing for SARS-CoV-2 genomic surveillance

open access: yesGenome Biology, 2021
In response to the ongoing SARS-CoV-2 pandemic in the UK, the COVID-19 Genomics UK (COG-UK) consortium was formed to rapidly sequence SARS-CoV-2 genomes as part of a national-scale genomic surveillance strategy.
S. Nicholls   +22 more
semanticscholar   +1 more source

Direct imaging of the disconnection climb mediated point defects absorption by a grain boundary

open access: yesNature Communications, 2021
Grain boundaries (GBs) are considered as the effective sinks for point defects, which improve the radiation resistance of materials. However, the fundamental mechanisms of how the GBs absorb and annihilate point defects under irradiation are still not ...
Jiake Wei   +4 more
semanticscholar   +1 more source

Crystal Orientation and Dislocation Slip

open access: yesMetals, 2023
It is a widely held belief that dislocation slip has a direct effect on crystal orientation. Some of the confusion may be attributed to semantics when researchers are referring to related effects of dislocations on crystal orientation; either elastic ...
Malcolm Griffiths
doaj   +1 more source

Stiffness and thickness of the upper trapezius muscle increase after repeated climbing bouts in male climbers [PDF]

open access: yesPeerJ, 2022
Background Indoor climbing involves overloading the shoulder girdle, including the rotator cuff and upper trapezius muscles. This on the field study aimed to investigate the effects of repeated climbing bouts on morphological and mechanical measures of ...
Sebastian Klich   +6 more
doaj   +2 more sources

Disturbed transatmospheric motion of the first stage of an aerospace system

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020
The paper deals with disturbed transatmospheric motion of the first stage of an aerospace system. Deviations of atmospheric density and deviations of aerodynamic force coefficients from reference values are taken as disturbances.
M. M. Krikunov
doaj   +1 more source

Optimal command control of hypersonic aircraft flight path in conditions of atmospheric disturbances

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020
Disturbed flight of a hypersonic vehicle in accelerated climb is analyzed. Disturbances are deviations of atmospheric density from the values of a standard model. The following concepts and definitions are used in the paper.
M. M. Krikunov
doaj   +1 more source

Optimal command control of flight paths of aerospace system hypersonic first stage in conditions of atmospheric disturbances

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020
The paper deals with disturbed motion of the hypersonic first stage of an aerospace system in accelerated climb. Disturbances are deviations of atmospheric density from the values of a standard model. A multistep control process is accepted.
M. M. Krikunov
doaj   +1 more source

Offering vegetables to children at breakfast time in nursery and kindergarten settings: the Veggie Brek feasibility and acceptability cluster randomised controlled trial

open access: yesInternational Journal of Behavioral Nutrition and Physical Activity, 2023
Background In many Westernised countries, children do not consume a sufficient amount of vegetables for optimal health and development. Child-feeding guidelines have been produced to address this, but often only promote offering vegetables at midday ...
Chris J. McLeod   +2 more
doaj   +1 more source

Predicting dislocation climb: Classical modeling versus atomistic simulations [PDF]

open access: yes, 2011
The classical modeling of dislocation climb based on a continuous description of vacancy diffusion is compared to recent atomistic simulations of dislocation climb in body-centered cubic iron under vacancy supersaturation [Phys. Rev. Lett.
D. Caillard   +8 more
core   +3 more sources

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