Results 31 to 40 of about 5,659 (223)

Evaluating maturity of organic matter in hydrated C1 and CM‐like clasts and a dehydrated clast within a polymict eucrite and a howardite

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Volatile‐rich xenolithic clasts in different types of brecciated meteorites represent unique pristine solar system material. This study investigates the maturity and thermal history of organic matter using Raman spectroscopy and aqueous alteration effects using infrared spectroscopy in the matrix of 15 volatile‐rich clasts (C1 and CM‐like ...
Swarna Prava Das   +7 more
wiley   +1 more source

Diseño de un sistema recolector y purificador mineral de agua (srpa) [PDF]

open access: yes, 2023
El proyecto propone un Sistema Recolector y Purificador de Agua (SRPA) que aborda desafíos globales de acceso a agua potable. Integrando diseño mecánico, electrónico y de filtración, utiliza energías renovables, como celdas fotovoltaicas, para optimizar ...
Rodríguez Caicedo, Santiago   +1 more
core   +1 more source

The calcium concentration of public drinking waters and bottled mineral waters in Spain and its contribution to satisfying nutritional needs

open access: yesNutrición Hospitalaria, 2014
Introduction: A sufficient intake of calcium enables correct bone mineralization. The bioavailability of calcium in water is similar to that in milk. Objective: To determine the concentration of calcium in public drinking water and bottled mineral water.
Isidro Vitoria   +5 more
doaj   +1 more source

Caracterización hidroquímica de una subcuenca altoandina en el departamento de Moquegua, Perú

open access: yesTecnología y ciencias del agua, 2023
El presente estudio evalúa la variabilidad hidroquímica del río Asana por influencia de la quebrada Millune en Moquegua, Perú. Se analizó la información de monitoreos de calidad de agua durante el periodo 2010-2018 a través de los diagramas de Gibbs, las
Kimberly Visitación-Bustamante   +2 more
doaj   +1 more source

Wild Edible Plants in Angola: Diversity, Traditional Uses, Phytochemical Properties, and Socio‐Economic Potential

open access: yeseFood, Volume 7, Issue 4, August 2026.
Wild edible plants (WEP) in Angola: number of species recorded by family and their distribution ranges; four of the most used WEP: Tamarindus indica (Fabaceae), Carissa spinarum (Apocynaceae), Adansonia digitata (Malvaceae), and Vitex doniana (Lamiaceae).
Claudete Bastos   +4 more
wiley   +1 more source

Challenges and Advances Driving Studies on Aquatic Insects of the Order Coleoptera

open access: yesFreshwater Biology, Volume 71, Issue 7, July 2026.
ABSTRACT Aquatic beetles (Coleoptera) are known for their high taxonomic and ecological diversity and their sensitivity to environmental changes, making them key bioindicators in ecological assessments. However, numerous knowledge gaps persist globally.
Everton Cruz da Silva   +17 more
wiley   +1 more source

La vitalidad líquida, un análisis del discurso publicitario de agua mineral [PDF]

open access: yes, 2015
El presente trabajo de investigación titulado “La vitalidad líquida, un análisis del discurso publicitario de agua mineral”, el cual es presentado como tesina de la carrera Ciencias de la Comunicación de la Universidad de Buenos Aires, tendrá como ...
Cravero, Julieta
core   +2 more sources

Desenvolvimento de uma nova versão de escala para mensuração das características que incentivam a adoção de novos produtos: um estudo sobre a água mineral.

open access: yesNavus: Revista de Gestão e Tecnologia, 2015
Entre 1974 e 2003, o Instituto Brasileiro de Geografia e Estatística constatou que a água mineral foi o produto que apresentou maior crescimento em seu consumo por parte das famílias brasileiras, sendo que entre 2003 e 2009 o aumento foi de 300%.
Luiz Rodrigo Cunha Moura   +4 more
doaj   +1 more source

Spatial Variation of Acidic Sodic Soils in High‐Andean Environments and Theoretical Estimation of Gypsum Requirement

open access: yesSoil Use and Management, Volume 42, Issue 3, July‐September 2026.
ABSTRACT High‐Andean forage systems are characterized by extensive management of cultivated forages, primarily through rotation of forage oats (Avena sativa) and alfalfa (Medicago sativa), under marginal edaphoclimatic conditions. Within this context, soil sodicity severely constrains the productivity of these systems in the districts of Ayaviri and ...
Kenyi Quispe   +8 more
wiley   +1 more source

Regularización de licencia de uso de agua superficial para trabajos de explotación de gravas auríferas: Proyecto minero María Patricia 2006 [PDF]

open access: yes, 2013
Plantea obtener la regularización de la licencia de uso de agua superficial del río Marañón, estando dicho recurso acopiado en una poza de almacenamiento de agua dentro de la concesión mineral.
Group Ecomining S.A.   +1 more
core  

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