Results 11 to 20 of about 318,828 (161)

Spatially resolved detection of small molecules from press‐dried plant tissue using MALDI imaging

open access: yesApplications in Plant Sciences, Volume 11, Issue 5, September-October 2023., 2023
Abstract Premise Matrix‐assisted laser desorption/ionization mass spectrometry imaging (MALDI‐MSI) is a chemical imaging method that can visualize spatial distributions of particular molecules. Plant tissue imaging has so far mostly used cryosectioning, which can be impractical for the preparation of large‐area imaging samples, such as full flower ...
Zane G. Long   +9 more
wiley   +1 more source

Geospatial data and web based tools for managing irrigation infrastructure expansion projects

open access: yesWorld Water Policy, Volume 9, Issue 3, Page 388-403, August 2023., 2023
Abstract Improving irrigation infrastructure is important for sustaining food security in developing countries like India. The irrigation potential of a system is estimated at the planning phase using conventional approaches. A mismatch in the irrigation potential planned to be created and the land suitable for cultivation can lead to a gap in the ...
Annie Maria Issac   +10 more
wiley   +1 more source

Evidence‐based policies: Lessons from regulatory science

open access: yesPolitics &Policy, Volume 51, Issue 4, Page 524-537, August 2023., 2023
Abstract In this article, various examples of controversies in regulatory science are analyzed concerning chemical and pharmaceutical products and functional foods. In these controversies, it is possible to show the relationship between epistemic policies and regulatory objectives (decision‐making objectives).
José Luis Luján
wiley   +1 more source

Composición proximal en algunas especies de pescado y mariscos disponibles en el pacífico costarricense

open access: yesUniciencia, 2017
El pescado y los mariscos son alimentos de los más completos por su calidad y cantidad de nutrientes; sin embargo, poco se sabe sobre la composición química de los recursos pesqueros del pacífico costarricense.
Cristian Fonseca-Rodríguez   +1 more
doaj   +1 more source

Influence of site conditions and land management on Quercus suber L. population dynamics in the southern Iberian Peninsula

open access: yesiForest - Biogeosciences and Forestry, 2022
During recent decades, tree mortality and dieback have been reported in forest ecosystems across global biomes. Although numerous forest species, including those of the genus Quercus, have been affected by hotter and drier conditions in the Mediterranean
Jurado Doña V   +5 more
doaj   +1 more source

Características palinológicas y fisicoquímicas de tres tipos de mieles uniflorales del centro de Argentina [PDF]

open access: yes, 2006
Se estudiaron las características de 59 mieles monoflorales de Condalia microphylla Cav. (“piquillín”), Centaurea solstitialis L. (“abrepuño amarillo”) y Prosopis spp., provenientes de La Pampa, Argentina. Se determinaron caracteres polínicos (abundancia
Naab, O.A.   +2 more
core   +2 more sources

Estudio sobre algunas aguas minerales de Nariño

open access: yesBoletín Geológico, 1953
El estudio hace la caracterización de agua mineral en el departamento de Nariño. Los resultados se obtuvieron a partir de analisís quimicos y bacteriologícos de diferentes muestras de de cuerpos de agua ubicados en este departamento.
Braulio C. Montenegro
doaj   +1 more source

Past and present potential distribution of the Iberian Abies species: A phytogeographic approach using pollen data and species distribution models [PDF]

open access: yes, 2010
This is the accepted version of the following article: Alba-Sánchez, F., López-Sáez, J. A., Pando, B. B.-d., Linares, J. C., Nieto-Lugilde, D. and López-Merino, L.
Benito de Pando, B   +4 more
core   +1 more source

Challenges and potential of layered double hydroxides as electrocatalytic materials for hydrogen production from water: A review of recent advances and applications

open access: yesEnergy Nexus
The integration of layered double hydroxides (LDHs) into hybrid catalysts markedly enhances the efficiency of overall water splitting, thereby advancing the potential for large-scale hydrogen production. This review elucidates the advantages of combining
Adriana Margarita Tucker-Quiñónez   +8 more
doaj   +1 more source

Abastecimiento de agua para el municipio de Chia

open access: yesBoletín Geológico, 1953
El informe da una idea general de la geografía, meteorología y geología de la región de Chía e investiga la posibilidad de la conducción de agua de las formaciones existentes en la comarca.
Wolfgang Diezemann, Jaime López
doaj   +1 more source

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