Results 1 to 10 of about 268,877 (281)

Behavioral plasticity mediates adaptation to changes in food provisioning following the COVID-19 lockdown in black-headed gulls (Larus ridibundus)

open access: yesFrontiers in Ecology and Evolution, 2022
The 2020 COVID-19 lockdown provides an opportunity to assess how the anthropause affected the behavior of birds. Black-headed gulls (Larus ridibundus) wintering at Dianchi Lake (Yunnan Province, southwestern China) prefer to forage on easily accessible ...
Hongying Xu   +5 more
doaj   +1 more source

Management of infrarenal aortic aneurysm rupture postendovascular stenting

open access: yesIndian Journal of Vascular and Endovascular Surgery, 2023
An elderly woman presented a year after undergoing endovascular repair of her infrarenal aortic aneurysm (IRAA) with abdominal pain and hypotension. Imaging revealed a ruptured IRAA, and this was managed with banding of the aorta to correct the Type-1a ...
Ali Al Sharqi   +3 more
doaj   +1 more source

Comparison of Safe-T separators and Conventional Elastomeric Separators for the Amount of Separation, Pain and Gingival Health: A randomized controlled trial [PDF]

open access: yesIranian Journal of Orthodontics, 2021
Objectives: The objective of the current study was to compare the amount of separation obtained by two various elastomeric separators, as well as the pain perception and gingival health.
Pasupureddi Keerthana   +5 more
doaj   +1 more source

Fishes of Sungai Enam and Sungai Telang in Temengor Reservoir, Perak, Malaysia [PDF]

open access: yesCheck List, 2012
An inventory study of fishes was carried out from June 2003 to May 2004 at Sungai Enam and Sungai Telang, which was last logged 40 years ago. In spite of the negative impacts of logging, the study recorded a total of 21 fish species in these headwaters ...
Zarul Hashim   +4 more
doaj   +3 more sources

Start-up inertia as an origin for heterogeneous flow [PDF]

open access: yes, 1999
For quite some time non-monotonic flow curve was thought to be a requirement for shear banded flows in complex fluids. Thus, in simple yield stress fluids shear banding was considered to be absent.
Boer, H.   +6 more
core   +9 more sources

Quantitative measures and 3D shell models reveal interactions between bands and their position on growing snail shells

open access: yesEcology and Evolution, 2021
The nature of shell growth in gastropods is useful because it preserves the ontogeny of shape, colour, and banding patterns, making them an ideal system for understanding how inherited variation develops, is established and maintained within a population.
Hannah J. Jackson   +2 more
doaj   +1 more source

Evaluating two avian monitoring tools for detecting relative abundance of species during autumn migration

open access: yesJournal of Field Ornithology, 2023
Detecting changes in abundance through time is important for understanding how factors like climate change or habitat conditions affect migrating populations and is limited by our ability to monitor them.
Margaret R Blake   +4 more
doaj   +1 more source

Using Quantitative Characteristics of Document Images for Identification of Laser Printers

open access: yesТеория и практика судебной экспертизы, 2021
The article provides a brief overview of the current state of the theory and practice of identifying laser printers and the results of research work aimed at discovering individual features of the printing mechanism of a laser printer.The author analyses
S. M. Petrov
doaj   +1 more source

Assessing the Pyloric Caeca and Distal Gut Microbiota Correlation with Flesh Color in Atlantic Salmon (Salmo salar L., 1758)

open access: yesMicroorganisms, 2020
The Atlantic salmon (Salmo salar L., 1758) is a temperate fish species native to the northern Atlantic Ocean. The distinctive pink–red flesh color (i.e., pigmentation) significantly affects the market price.
Chan D. H. Nguyen   +3 more
doaj   +1 more source

An optical test to unveil twisting of birefringent crystals in spherulites [PDF]

open access: yesRoyal Society Open Science, 2019
Helical conformations and structures are frequently observed in materials. The presence of helices at points of the unit cell of a crystal, on a larger size scale in the crystalline lattice or even in the microscopic structure of crystals, affects the ...
Maria Raimo
doaj   +1 more source

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