Results 41 to 50 of about 96,227 (210)

Esquemas numéricos bidimensionales de alto orden para resolución numérica del sistema de aguas someras con transporte inerte de un contaminante [PDF]

open access: yes, 2007
En este trabajo se aplican esquemas numéricos bidimensionales de alto orden (ver [5] A.M. Ferreiro Ferreiro. Desarrollo de técnicas de post-proceso de flujos hidrodinámicos, modelización de problemas de transporte de sedimentos y simulación numérica ...
Castro Díaz, Manuel Jesús   +4 more
core  

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

El gas radón como contaminante atmosférico

open access: yesRevista de Salud Ambiental, 2010
En este trabajo se abordan distintos aspectos acerca de la problemática del radón en viviendas. Este gas de origen natural se encuentra prácticamente en la totalidad de los suelos de la corteza terrestre debido a la presencia de uranio y radio en la ...
Luis Santiago Quindós Poncela   +4 more
doaj   +2 more sources

MINERAIS CONTAMINANTES DO CAULIM DA MINA IPIXUNA, NO ESTADO DO PARÁ: CARACTERÍSTICAS E INTERFERÊNCIAS NO BENEFICIAMENTO MINERAL

open access: yesHolos, 2014
A mina Ipixuna extrai caulim sedimentar e produz matéria-prima final para a indústria do papel. O minério varia devido a presença de minerais contaminantes.
Sydney Sabedot   +3 more
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

Eficacia de normativa de vertimientos en el sector cárnico [PDF]

open access: yes, 2012
Este artículo pretende analizar los mecanismo utilizados para definir los límites normativos de los contaminantes en los vertimientos líquidos por el Ministerio de Ambiente y Desarrollo Sostenible en Colombia, de tal manera que se logre la eficacia en su
Bustamante Arismendy, Alba Ligia
core  

Hormônios sexuais estrógenos: contaminantes bioativos [PDF]

open access: yesQuímica Nova, 2006
Natural and synthetic estrogens have been detected in rivers, lakes and estuaries in several parts of the world. The primary sources of these compounds are the industrial and household effluents, which are not eliminated by the received treatment.
Reis Filho, Ricardo Wagner   +2 more
openaire   +3 more sources

Multiple‐stressor effects on leaf litter decomposition in freshwater ecosystems: A meta‐analysis

open access: yesFunctional Ecology, Volume 38, Issue 7, Page 1523-1536, July 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Recent years have witnessed a surge in research on the effects of multiple stressors in freshwater ecosystems. While studies have increased, the synthesis of their findings into a broader understanding of ecosystem‐level effects remains an ongoing endeavour. Leaf litter
Graciela Medina Madariaga   +6 more
wiley   +1 more source

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