Edurete.org

purification drinking water
Water to be used in public or private water supplies can be drawn from a variety of sources. Different sources of raw water demand different treatment methods to render it ft for human consumption.
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://encyclopedia.laborlawtalk.com/Water_purification

qualité de l’eau potable
Règlement modifiant le Règlement sur la qualité de l’eau potable
Segnalato da: Antonella Dapiaggi
14-19 anni
**
http://ecoroute.uqcn.qc.ca/envir/sante/1_m4.htm

Règlement sur la qualité de l’eau potable
Le contrôle bactériologique, Le contrôle physico-chimique, Le contrôle de la désinfection, Les normes à respecter

Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.menv.gouv.qc.ca/eau/potable/brochure/

research's news
aquatic news bay researches
Segnalato da: eleonora veneri
19 anni in poi
*
http://www.bgsu.edu/departments/biology/facilities/algae/smokeys/baselineflora.pdf

Schematic drawings
Schematic drawings of aquatic animals
Segnalato da: eleonora veneri
19 anni in poi
*
http://www.micrographia.com/

sea vegetals
descripiton of aquatic vegetals
Segnalato da: eleonora veneri
19 anni in poi
***
http://www.bgsu.edu/departments/biology/facilities/algae/html/marine.html

SEWAGE TREATMENT
There are few aspects that are more responsible for moving civilization out of the Middle Ages and into the Modern Age than is the treatment of our municipal and industrial sewage.
Segnalato da: Antonella Dapiaggi
14-19 anni
**
http://www.science-projects.com/Sewage.htm

Sewage treatment water
Sewage treatment means removing impurities so that the remaining waste water can be safely returned to the river or sea and become part of the natural water cycle again.
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.dcs.exeter.ac.uk/water/sewage.htm

Sewage treatment water
Sewage treatment is the process that removes the majority of the contaminants from waste-water or sewage and produces both a liquid effluent suitable for disposal to the natural environment and a sludge.
Segnalato da: Antonella Dapiaggi
14-19 anni
***
http://en.wikipedia.org/wiki/Sewage_treatment

station d’épuration eaux
Une station d’épuration est installée généralement à l’extrémité d’un réseau de collecte, sur l’émissaire principal, juste en amont de la sortie des eaux vers le milieu naturel.
Segnalato da: Antonella Dapiaggi
14-19 anni
**
http://www.ademe.fr/partenaires/Boues/Pages/f14.htm

Swimming
This page describes how the "pathetic" wriggling of a fish out of water translates into very graceful and efficient swimming in water
Segnalato da: Triberio Daniela
Più fasce di età
**
http://www2.biology.ualberta.ca/jackson.hp/IWR/Content/Anatomy/Swimming/Information/index.php

tavole descrittive
tavole fotografiche descrittive
Segnalato da: eleonora veneri
19 anni in poi
*
http://www.bio.unipd.it/limno/informa/infoEcol/immagini_zooplancton.htm

The water
The situated one exposes several the effects of the water in the life
Segnalato da: Triberio Daniela
Più fasce di età
**
http://en.wikipedia.org/wiki/Water#Aquatic_life_forms

traitement des eaux
Le traitements des eaux usées fait appel à de nombreuses technologies
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.lenntech.com/fran%C3%A7ais/eaux-usees.htm

traitements des eaux
traitements des eaux et technologis
Segnalato da: Antonella Dapiaggi
14-19 anni
***
http://www.alth2o.com/Materiel/materiel.HTM

tratamiento de aguas
Visita a una instalación de tratamiento de aguas de desecho:
Tratamiento primario de las aguas de desecho

Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://water.usgs.gov/gotita/wwvisit.html

tratamiento de aguas
Se ha dicho que las aguas que quedan como residuo de la actividad humana son de origen doméstico y de naturaleza industrial.
Segnalato da: Antonella Dapiaggi
14-19 anni
**
http://www.uc.cl/quimica/agua/tratamiento.htm

TRATAMIENTO DE AGUAS RESIDUALES
Uno de los aspectos a considerar a la hora de realizar un vertido es que no se supere el poder de autodepuración del medio receptor para evitar efectos indeseables que dan lugar a una peor calidad.
En la última década hay una política clara de exigencias y se ha avanzado mucho en el tratamiento de aguas residuales, tanto urbanas como industriales.

Segnalato da: Antonella Dapiaggi
14-19 anni
***
http://www.terra.es/personal/forma_xxi/m2

TRATAMIENTO DE AGUAS RESIDUALES
Métodos avanzados de tratamiento de aguas contaminadas
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.sagan-gea.org/hojared_AGUA/paginas/29agua.html

TRATAMIENTO Y RECUPERACIÓN DE AGUAS RESIDUALES URBANAS
Tratamiento y depuración de aguas residuales
Tratamiento previo Tratamiento primario Tratamiento secundario convencional Depuración

Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://seguridadlaboral.geoscopio.com/medioambiente/temas/tema9/index.php

Treatment water
Primary Treatment Secondary Treatment Advanced Treatment Disinfection

Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.ext.vt.edu/pubs/waterquality/448-407/448-407.html

Water Hardness
Hardness in water is the most common water
quality problem reported by U.S. consumers. Infact, hard water is found in more than 85 percent of the United States.
Segnalato da: Antonella Dapiaggi
14-19 anni
***
http://www.ext.vt.edu/pubs/housing/356-490/356-490.pdf

water treatment
Physical-chemical treatment systems and Biological excess sludge reduction
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.lenntech.com/waste_water.htm

Why do we treat wastewater?
The most basic answer is to make dirty water clean.
Segnalato da: Antonella Dapiaggi
14-19 anni
*
http://www.halifax.ca/Works/wwt/

wikipedia-Écosystème
Definition des Écosystème
Segnalato da: Elena Porazzi
Più fasce di età
**
http://fr.wikipedia.org/wiki/%C3%89cosyst%C3%A8me

zooplancton
descrizione dello zooplancton
Segnalato da: eleonora veneri
19 anni in poi
***
http://www.mondomarino.net/articoli/index.asp?p=40&view=dett&idu=

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