Results 81 to 90 of about 157,265 (317)

The effect of seawater hardness on cotton fabric dyeing using reactive blue dye

open access: yesColoration Technology, EarlyView.
Abstract Oceans are an abundant source of water; their economic potential has not yet been fully exploited. In this context, the current study aims to apply seawater in the dyeing of cotton fabrics, evaluating the influence that total hardness has on the process results.
Iêda Letícia de Souza Ferreira   +5 more
wiley   +1 more source

Soil hydraulic properties of a Nitisol in Kabete, Kenya [PDF]

open access: yes, 2012
Water relations are among the most important physical phenomena that affect the use of soils for agricultural, ecological, environmental, and engineering purposes. To formulate soil-water relationships, soil hydraulic properties are required as essential
Cornelis, Wim   +5 more
core   +1 more source

Monitoring small‐scale fisheries through participatory, app‐based surveys in the tropical archipelago of São Tomé and Príncipe

open access: yesConservation Science and Practice, EarlyView.
Small Island Developing States have limited capacity to monitor Small Scale Fisheries, despite their high dependence on marine resources. Participatory monitoring of Small Scale Fisheries can fill data gaps while integrating resource users into fisheries management.
Guillermo Porriños   +17 more
wiley   +1 more source

Evaluación de las condiciones de mezcla y su influencia sobre el cloro residual entanques de compensación de un sistema de distribución de agua potable

open access: yesIngeniería y Ciencia, 2012
Se llevó a cabo una evaluación a escala real de las condiciones de mezcla y su influencia sobre la calidad del agua en un tanque de compensación del sistema de distribución de agua potable de la ciudad de Cali (Colombia).
C Montoya   +4 more
doaj   +1 more source

Depuración de efluente domiciliario con sistema Living Machine [PDF]

open access: yes, 2017
La experiencia nace por la necesidad de minimizar la contaminación ambiental y aumentar la disponibilidad de agua sin necesidad de seguir explotando las fuentes convencionales a través de la reutilización de agua residual.
Bianchini, Lucas Fabián
core  

Height and phytotelm size affect the invertebrate communities of epiphytic bromeliads in the Amazon rainforest

open access: yesEcological Entomology, EarlyView.
The height at which epiphytic bromeliads are found affects the invertebrate community composition within them. The size of epiphytic bromeliads is positively correlated with species richness of both aquatic and terrestrial invertebrates. Whether bromeliads were found in primary or secondary forest did not have a significant effect on the community of ...
Xaali O'Reilly‐Berkeley   +6 more
wiley   +1 more source

Abiotic drivers of co‐occurrence and diversity patterns of Calopterygidae species in Amazonian protected freshwaters

open access: yesEcological Entomology, EarlyView.
Species co‐occurrences rely on their ability to explore similar or distinct available resources, and possible niche overlap can prevent their presence and establishment in a given site Damselflies of the Calopterygidae family demonstrated negative co‐occurrences in streams inside and outside PAs, highlighting that their ecological similarity is ...
Joás Silva Brito   +13 more
wiley   +1 more source

Análisis de eficiencia de remoción de contaminantes de los sistemas de tratamiento de aguas residuales en extracción de aceite de palma

open access: yesFIGEMPA, 2016
El presente estudio se realizó en tres extractoras de aceite de palma ubicadas en las provincias de Pichincha, Santo Domingo y Esmeraldas, con el propósito de analizar la eficiencia de remoción de contaminantes en los sistemas de tratamiento de aguas ...
Paúl Malacatus   +2 more
doaj   +1 more source

Cartilla guía para la ejecución de prácticas de laboratorio en saneamiento de agua potable [PDF]

open access: yes, 2014
Trabajo de InvestigaciónEl archivo que se entrega, posee las siete practicas necesarias en laboratorios para la materia plantas de tratamiento de agua potable y residual, se entrega un archivo fotográfico el cual se encuentra visualmente dentro del texto
Moreno-Ripe, Cristian Alonso   +1 more
core  

The War of the Pacific and Chilean public revenues: Reallocation of the tax burden and institutional change

open access: yesThe Economic History Review, EarlyView.
Abstract A substantial body of literature has considered warfare a fundamental driver of fiscal capacity. We argue that the nature of the tax base available to governments can either foster or constrain the ability and incentives of central elites to impose their legitimacy once the war is over.
Oriol Sabaté, José Peres‐Cajías
wiley   +1 more source

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