Results 21 to 30 of about 994,793 (297)

Spacetime Ehlers group: Transformation law for the Weyl tensor [PDF]

open access: yes, 2001
The spacetime Ehlers group, which is a symmetry of the Einstein vacuum field equations for strictly stationary spacetimes, is defined and analyzed in a purely spacetime context (without invoking the projection formalism).
Mars, Marc
core   +2 more sources

Valorization of Hemodialysis Wastewater: An Emerging Reality

open access: yesRevista Portuguesa de Nefrologia e Hipertensão, 2023
The reutilization and valorization of wastewater contributes to water saving and improve the energetic efficiency of hemodialysis facilities. Moreover, it has the added benefit of reducing environmental impact and providing economically interesting ...
Faissal Tarrass, Meryem Benjelloun
doaj   +1 more source

Low-cost assembly of a cacao crop genome is able to resolve complex heterozygous bubbles

open access: yesHorticulture Research, 2019
A sweet solution for studying cacao genetics Genomic insights from an efficient, low-cost DNA sequencing strategy could enable more sustainable cacao cultivation. Growing demand for chocolate is currently being satisfied by increasing land use.
Joe Morrissey   +3 more
doaj   +1 more source

Geometry of normal graphs in Euclidean space and applications to the Penrose inequality in Minkowski [PDF]

open access: yes, 2013
The Penrose inequality in Minkowski is a geometric inequality relating the total outer null expansion and the area of closed, connected and spacelike codimension-two surfaces S in the Minkowski spacetime, subject to an additional convexity assumption. In
Mars, Marc, Soria, Alberto
core   +1 more source

Deregulation of the spindle assembly checkpoint is associated with paclitaxel resistance in ovarian cancer

open access: yesJournal of Ovarian Research, 2018
Background Ovarian cancer is the leading gynecologic cancer diagnosed in North America and because related symptoms are not disease specific, this often leads to late detection, an advanced disease state, and the need for chemotherapy.
Taryne Chong   +7 more
doaj   +1 more source

Single-base resolution methylomes of somatic embryogenesis in Theobroma cacao L. reveal epigenome modifications associated with somatic embryo abnormalities

open access: yesScientific Reports, 2022
Propagation by somatic embryogenesis in Theobroma cacao has some issues to be solved, as many morphologically abnormal somatic embryos that do not germinate into plants are frequently observed, thus hampering plant production on a commercial scale.
Claudia Garcia   +9 more
doaj   +1 more source

An investigation into the use of 3G mobile communications to provide telehealth services in rural KwaZulu-Natal [PDF]

open access: yes, 2015
This article has been made available through the Brunel Open Access Publishing Fund.Abstract Background: We investigated the use of third-generation (3G) mobile communications to provide telehealth services in remote health clinics in rural KwaZulu-Natal,
Malcolm Clarke   +3 more
core   +1 more source

An annotated checklist of the lichen biodiversity at two Mars analog sites: The Mars Desert Research Station (Utah, USA) and The Flashline Mars Arctic Research Station (Nunavut, Canada) recorded during the Mars 160 Mission [PDF]

open access: yesCheck List
During the Mars 160 Mission in 2016 and 2017, crews at the Mars Desert Research Station (MDRS) in Utah, USA and the Flashline Mars Arctic Research Station (FMARS) on Tallurutit (Devon Island), Nunavut, Canada, conducted a collections‑based ...
Paul C. Sokoloff   +9 more
doaj   +3 more sources

Bottom-up construction of ontologies [PDF]

open access: yes, 1998
Presents a particular way of building ontologies that proceeds in a bottom-up fashion. Concepts are defined in a way that mirrors the way their instances are composed out of smaller objects.
Mars, N.J.I., Vet, P.E. van der
core   +3 more sources

On the use of text augmentation for stance and fake news detection

open access: yesJournal of Information and Telecommunication, 2023
Data Augmentation (DA) aims at synthesizing new training instances by applying transformations to available ones. DA has several well-known benefits such as: (i) increasing generalization ability; (ii) preventing data scarcity; and (iii) helping resolve ...
Ilhem Salah   +2 more
doaj   +1 more source

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