Results 111 to 120 of about 439,885 (243)

The association between physical fitness and health in a nationally representative sample of Canadian children and youth aged 6 to 17 years

open access: yesHealth Promotion and Chronic Disease Prevention in Canada, 2019
Introduction: This study explored the relationship between physical fitness and indicators of physical and psychosocial health in a nationally representative sample of Canadian children and youth aged 6–17 years.
Justin J. Lang   +2 more
doaj   +1 more source

Assembly History and Internal Structure of Cluster Cold Dark Matter Haloes [PDF]

open access: yes
We use the Phoenix simulations to study the mass assembly history and internal structures of cluster dark matter haloes ($M_{200} \gtrsim 5\times 10^{14} h^{-1}{\rm M}_\odot$). We confirm that cluster haloes grow inside-out, similar to galactic haloes.
arxiv   +1 more source

Exploring the use of synthetic aperture radar data for irrigation management in super high-density olive orchards

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Understanding the plant water-uptake dynamics and behavior in olive orchards is an area of much interest, particularly for efforts to optimize the use and application of water resources.
Marcel M. El Hajj   +4 more
doaj  

Effect of the Magellanic Clouds on the Milky Way disk and VICE VERSA [PDF]

open access: yes, 1998
The satellite-disk interaction provides limits on halo properties in two ways: (1) physical arguments motivate the excitation of observable Galactic disk structure in the presence of a massive halo, although precise limits on halo parameters are scenario-
Weinberg, Martin D.
core   +4 more sources

A Lunar Halo [PDF]

open access: yesNature, 1882
LAST evening, about 7.15 p.m., a lunar halo of a peculiar character was seen here. It was at some distance from the moon, and instead of being, as usual, concentric with this body, was of an oval, or, more strictly speaking, a horse-shoe shape, the lower part of the halo not being complete.
openaire   +2 more sources

Evapotranspiration, gross primary productivity and water use efficiency over a high-density olive orchard using ground and satellite based data

open access: yesAgricultural Water Management, 2023
The trade-off between increasing agricultural production and groundwater conservation, which is often the only irrigation source in arid regions, is a major challenge for water managers, decision-makers and the scientific community.
Jamal Elfarkh   +4 more
doaj  

Studies on Pyrazolones. II. Condensation Reactions between 1-Phenyl-3,4-dimethyl-5-pyrazolone and 1-phenyl-3,4-dimethyl-4-halo-5-pyrazolones. [PDF]

open access: bronze, 1953
Gunnel Westöö   +5 more
openalex   +1 more source

Water uptake rates over olive orchards using Sentinel-1 synthetic aperture radar data

open access: yesAgricultural Water Management, 2023
The water uptake rate is a key parameter for improving irrigation efficiency and represents an indicator of tree health and yield. Here, we investigate the potential of C-band Synthetic Aperture Radar (SAR) data acquired by Sentinel-1 to estimate and map
Marcel M. El Hajj   +3 more
doaj  

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