Results 1 to 10 of about 2,519,529 (329)

Meat Demand Monitor during COVID-19

open access: yesAnimals, 2021
Meat products represent a significant share of US consumer food expenditures. The COVID-19 pandemic directly impacted both demand and supply of US beef and pork products for a prolonged period, resulting in a myriad of economic impacts.
Glynn T. Tonsor   +2 more
doaj   +1 more source

Elevation Mapping for Locomotion and Navigation using GPU [PDF]

open access: yesIEEE/RJS International Conference on Intelligent RObots and Systems, 2022
Perceiving the surrounding environment is crucial for autonomous mobile robots. An elevation map provides a memory-efficient and simple yet powerful geometric represen-tation of the terrain for ground robots.
Takahiro Miki   +5 more
semanticscholar   +1 more source

A 30 m global map of elevation with forests and buildings removed

open access: yesEnvironmental Research Letters, 2022
Elevation data are fundamental to many applications, especially in geosciences. The latest global elevation data contains forest and building artifacts that limit its usefulness for applications that require precise terrain heights, in particular flood ...
Laurence Hawker   +6 more
semanticscholar   +1 more source

The Evolutionary History, Diversity, and Ecology of Willows (Salix L.) in the European Alps

open access: yesDiversity, 2021
The genus Salix (willows), with 33 species, represents the most diverse genus of woody plants in the European Alps. Many species dominate subalpine and alpine types of vegetation.
Natascha D. Wagner   +2 more
doaj   +1 more source

2020 ESC Guidelines for the management of acute coronary syndromes in patients presenting without persistent ST-segment elevation.

open access: yesEuropean Heart Journal, 2020
Authors/Task Force Members: Jean-Philippe Collet * (Chairperson) (France), Holger Thiele * (Chairperson) (Germany), Emanuele Barbato (Italy), Olivier Barthélémy (France), Johann Bauersachs (Germany), Deepak L.
J. Collet   +23 more
semanticscholar   +1 more source

Adaptative Responses of Common and Tartary Buckwheat to Different Altitudes

open access: yesPlants, 2022
Environmental conditions at different elevations are harsher at higher elevations and impose constraints upon plants. The response of common and Tartary buckwheats to environmental conditions at elevations between 300 and 1180 m above sea level (asl) was
Aleksandra Golob   +3 more
doaj   +1 more source

The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]

open access: yes, 2019
Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian   +3 more
core   +1 more source

The impact of trade with the United States on electric loads in Mexico

open access: yesHeliyon, 2018
We quantify the relationship between trade with the U.S. and electric loads in Mexico. Exports to the U.S. are highly statistically significant in explaining energy loads and significant in explaining peak loads, both in the presence and the absence of a
Marc H. Vatter, Daniel F. Suurkask
doaj   +1 more source

ST-Segment Elevation in Patients with Covid-19 — A Case Series

open access: yesNew England Journal of Medicine, 2020
ST-Segment Elevation in Covid-19 Eighteen patients with Covid-19 presented with ST-segment elevation on ECG or had it develop during hospitalization.
S. Bangalore   +14 more
semanticscholar   +1 more source

Location of the elevation axis in a large optical telescope [PDF]

open access: yes, 2004
Proposed designs for the next generation of large optical telescopes favor a tripod or quadrupod secondary support, and a primary supported from the back, but it is not yet clear whether the elevation axis should be in front of the primary or behind it ...
Padin, Stephen
core   +1 more source

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