Results 41 to 50 of about 263,300 (290)

Improving the Seismic Performance of Steel Frames under Mainshock–Aftershock Using Post-Tensioned Connections

open access: yesBuildings, 2023
In this study, the seismic responses of moment-resisting steel frames (MRSFs) with welded and post-tensioned connections under 28 artificial seismic sequences (mainshock–aftershock) are compared. For this aim, the mainshock are scaled at different ground
José R. Torres   +9 more
doaj   +1 more source

Isoperimetric and stable sets for log-concave perturbations of Gaussian measures

open access: yes, 2014
Let $\Omega$ be an open half-space or slab in $\mathbb{R}^{n+1}$ endowed with a perturbation of the Gaussian measure of the form $f(p):=\exp(\omega(p)-c|p|^2)$, where $c>0$ and $\omega$ is a smooth concave function depending only on the signed distance ...
Rosales, César
core   +2 more sources

Integrated spectra extraction based on signal-to-noise optimization using Integral Field Spectroscopy [PDF]

open access: yes, 2011
We propose and explore the potential of a method to extract high signal-to-noise (S/N) integrated spectra related to physical and/or morphological regions on a 2-dimensional field using Integral Field Spectroscopy (IFS) observations by employing an ...
Arribas   +24 more
core   +1 more source

Quality of the Service as a Competitive Advantage, Comparative Study of Parcel Companies

open access: yesInquietud Empresarial, 2023
This research describes, compares and analyzes the competitive advantages generated by the quality of the service in parcel companies nowadays. Therefore, the main goal of this comparative study is to determine the factors by which the quality of the ...
Nereyda Soto Medina   +4 more
doaj   +1 more source

Census of HII regions in NGC 6754 derived with MUSE: Constraints on the metal mixing scale [PDF]

open access: yes, 2014
We present a study of the HII regions in the galaxy NGC 6754 from a two pointing mosaic comprising 197,637 individual spectra, using Integral Field Spectrocopy (IFS) recently acquired with the MUSE instrument during its Science Verification program.
Anderson, J. P.   +13 more
core   +3 more sources

Effect of Insecticide Rotations on Density and Species Composition of Thrips (Thysanoptera) in Florida Strawberry (Rosales: Rosaceae)

open access: yesFlorida Entomologist, 2016
Feeding by Frankliniella (Thysanoptera: Thripidae) thrips causes economic damage to strawberry (Fragaria ananassa Duchesne; Rosales: Rosaceae) crops in Florida and in other production regions worldwide.
Jeffrey D. Cluever   +4 more
semanticscholar   +1 more source

Entrevista con Rotsay Rosales Valladares: repensar la Educación Cívica en Costa Rica

open access: yesPerspectivas, 2021
En esta entrevista el Dr. Rotsay Rosales Valladares se refiere a varios aspectos de la Educación Cívica actual, los cuales, a su juicio, explican la pasividad y la resignación que se transmite a los jóvenes desde esta asignatura escolar.
Maximiliano López López
doaj   +1 more source

The Role of Coordination Mechanisms and Transaction Costs Promoting Sustainability Performance in Agri‐Food Supply Chains: Evidence From Ecuador

open access: yesAgribusiness, EarlyView.
ABSTRACT Social tensions and resource depletion pose significant challenges to the agri‐food sector, highlighting the need for coordinated strategies to ensure sustainability in supply chains. Despite its critical importance, the relationship between coordination mechanisms and sustainability performance remains underexplored.
Carlos Moreno‐Miranda, Liesbeth Dries
wiley   +1 more source

Quality assessment of Continuous Operating Reference Stations (CORS) - GPS stations in Mexico

open access: yesGeodesy and Geodynamics, 2022
The present analysis provided the quality assessment of 65 Continuous Operating Reference Stations (CORS) situated in and around Mexico using the data of about ten years (January 2010 to January 2020).
Daniel Hernández-Andrade   +4 more
doaj   +1 more source

The Melianthaceous seed and its Rhamnaceous affinity [PDF]

open access: yes, 1998
. La semilla de Melianthaceae y su afinidad con Rhamnaceae. En el presente trabajo, se ha estudiado la anatomia y morfología de la semilla de Bersama (Bersamataceae) y Melianthus (Melianthaceae) con el objeto de clarificar su posición sistemática.
Doweld, Alexander B.
core   +2 more sources

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