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Items tagged with "heavy metals" (4)

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William Senior

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Heavy metals concentration in the bivalves Anadara t...

Created: 2017-12-12 15:20:07

Credits: William Senior

License: Creative Commons Attribution-Share Alike 3.0 Unported License

The concentrations of heavy metals in the bivalve molluscs Anadara similis and A. tuberculosa are determined. The specimens were collected at 2 km from the mouth of Estero Huaylá, El Oro Province, Ecuador, in November 2013. The length and weight of each species were determined in the laboratory, with two length ranges being established for A. similis and four for A. tuberculosa. The meat of the organisms was extracted, washed and dried in an oven at 60 ° C for 72 h, then digested w...

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anas

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Impact of the water quality of El-Rahawy Drain on so...

Created: 2020-07-22 10:32:45

Credits: anas

License: Creative Commons Attribution-Share Alike 3.0 Unported License

The present study aims to evaluate the water quality of two locations in Rosetta Branch of River Nile and its histopathological and genetic adverse effects on Nile tilapia (Oreochromis niloticus). Water and fish samples were collected from up and downstream of El-Rahawy Drain discharge point (location I and II, respectively) during the summer and winter seasons. The water quality, liver histopathology and DNA alteration of fish was examined. ISSR-PCR technique wa...

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William Senior

ESTUDIO DE LINEA BASE AMBIENTAL, SOCIOECON... (1)

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Se define como Sistema de Información Geográfica (SIG) a un sistema de información que es utilizado para ingresar, almacenar, recuperar, manipular, analizar y obtener datos referenciados geográficamente o datos geo-espaciales, a fin de brindar apoyo en la toma de decisiones sobre planificación, localización y manejo de uso del suelo, recursos naturales, medio ambiente, transporte, instalaciones urbanas y todo tipo de estudios o proyectos en los que el...

Created: 2016-03-18

Credits: William Senior

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DISTRIBUCIÓN Y ESPECIACIÓN DE METALES PESA... (1)

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This paper reports on the speciation of Fe, Mn, Ni, and Pb in the matter suspended in the superficial waters ofthe low basin and the surface trapped plume of the Manzanares river, in Cumaná, state of Sucre, Venezuela, by studyingsediment and water samples taken at 22 stations deployed throughout this area of influence between July 1996 and June 1997.The suspended matter increased during the rainy season (July to November), reaching a maximum value in September, at 1075mg/L. The heavy m...

Created: 2016-03-18

Credits: William Senior

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Non-Information Resource URI: http://www.myexperiment.org/tags/4574

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