Results 41 to 50 of about 248,386 (209)

Una alternativa limpia para el tratamiento de las aguas residuales galvánicas: revisión bibliográfica [PDF]

open access: yes, 2009
Este estudio presenta una revisión bibliográfica sobre las aguas residuales generadas por industrias galvánicas y una posibilidad de tratamiento para disminuir los contaminantes propios de estos efluentes.
Chávez Porras, Álvaro   +2 more
core  

EVALUACIÓN DE LA CASCARILLA DE HIGUERILLA COMO POSIBLE ADSORBENTE DE CONTAMINANTES FENÓLICOS EN FASE ACUOSA

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
Con el propósito de brindar valor agregado a la cascarilla de higuerilla como bio - adsorbente para el tratamiento de aguas residuales, se realizaron ensayos preliminares de retención en fase acuosa de fenol y p-nitrofenol a una temperatura de 25°C ...
Luisa Fernanda Navarrete Rodríguez   +1 more
doaj   +1 more source

Opinion and report of the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) on the assessment of the impact of fox population dynamics on public health

open access: yesFood Risk Assess Europe, Volume 3, Issue 2, April 2025.
ABSTRACT The Red Fox (Vulpes vulpes) can be hunted as a game species. It may also be listed as a “species likely to cause damage” (ESOD – the acronym in French), for public health reasons among others. Conversely, benefits linked to the presence of foxes are also put forward, such as the predation of rodents carrying zoonotic agents.
Emmanuelle Gilot‐Fromont   +97 more
wiley   +1 more source

Remoción de Contaminantes Atmosféricos Sox y Nox mediante Nanotubos de Carbono [PDF]

open access: yes, 2013
En el presente proyecto de investigación se realizó la evaluación de la remoción de los contaminantes atmosféricos provenientes de fuentes móviles, mediante nanotubos de carbono (NTC) comerciales. Para conocer las propiedades de los NTC empleados, fueron
SAAVEDRA LABASTIDA, ERIKA   +1 more
core  

Contaminação por compostos organoclorados em salsichas hot-dog comercializadas na cidade de Santa Maria (RS), Brasil Contamination for organochlorine compounds in hot-dog sausages, commercialized in the city of Santa Maria (RS), Brazil

open access: yesCiência Rural, 2004
Com o objetivo de monitorar os resíduos de compostos tóxicos em alimentos, verificou-se a freqüência e os níveis de praguicidas organoclorados (OC) e bifenilas policloradas (PCBs) em amostras de salsichas Hot-Dog, comercializadas na Cidade de Santa Maria,
Stanislau Bogusz Junior   +5 more
doaj   +1 more source

Exploring barriers to menstrual education between maternal figures and young girls: A pilot study in South Africa

open access: yesSexuality, Gender &Policy, Volume 7, Issue 3, Page 305-321, August 2024.
Abstract The study sought to explore barriers to menstrual education between maternal figures and young girls. Menstruation is a key part of the reproductive process and affects young adolescent girls. Menstrual blood is perceived as contaminating and impure, leading to the socialization of women and girls undergoing menstruation to feel soiled and ...
Viwe Sobudula, Dhee Naidoo
wiley   +1 more source

Utilización conjunta de técnicas de inmovilización y fitoextracción en la descontaminación de suelos [PDF]

open access: yes, 2016
Se estudia la viabilidad de la combinación de dos técnicas (estabilización y fitoextracción) a partir del estudio de los lixiviados y de las tasas de fitoextracción.
Del Moral, F.   +4 more
core   +1 more source

Effects of the Argon Pressure on the Optical Band Gap of Zinc Oxide Thin Films Grown by Nonreactive RF Sputtering

open access: yesAdvances in Condensed Matter Physics, 2013
Zinc oxide (ZnO) thin films were grown by nonreactive RF sputtering at room temperature under varying argon pressures (PAr). Their optical band gap was found to increase from 3.58 to 4.34 eV when the argon pressure increases from 2.67 to 10.66 Pa.
M. Acosta, I. Riech, E. Martín-Tovar
doaj   +1 more source

Nuevos y viejos contaminantes

open access: yes, 2021
COL0125116
Fernández Hincapié, Jhon Jairo   +4 more
openaire   +1 more source

Harnessing green microbiology for sustainable water management, agriculture, and energy generation: Current advances and future prospects

open access: yesWorld Water Policy, Volume 10, Issue 3, Page 649-697, August 2024.
Abstract This article presents an in‐depth overview of recent developments and prospects in utilizing green microbiology for sustainable water management. It highlights its vital role across various aspects of water management while underscoring its significance for global development. This article delves deep into microbial processes integral to water
Adenike A. Akinsemolu   +2 more
wiley   +1 more source

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