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Contiene: Lineamientos para formular proyectos de conservacion. Guia de estudios basicos a nivel de sector de tratamiento. Guia para medicion de descargas. Metodos de medicion de la erosion.

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manuales soil conservation conservation de l'eau water conservation conservation des sols conservacion de aguas conservacion de suelos

Instituto Nacional de Recursos Naturales - Peru

EXPERIÊNCIA DA COPASA MG NA UTILIZAÇÃO DE ÁGUA SUBTERRÂNEA PARA ABASTECIMENTO URBANO Полный текст

1980

JORGE SEDALA | RONALDO DE LUCA FERRA GONÇALVES

RESUMO NÃO DISPONÍVEL

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Directory of Open Access Journals - Sweden

Analisis de la distribucion del agua de riego del rio Nuble [Chile].

1980

Arias Quintana M.E.

Wolters Kluwer - United States of America

Demanda de agua da cultura de arroz irrigado [Oryza sativa; Goias; Brasil].

1980

Stone L.F. | Silveira P.M. da | Aquino A.R.L. de

Wolters Kluwer - United States of America

Estimativa do consumo de combustível gasto com aquecimento de água em Manaus Полный текст

1980

Corrêa, Cleusa Maria

Summary The future wordwide depletion of petroleum deposits constitutes nowadays a serious concern for all mankind. Consequently, this feared demise of ease and inexpensive oil, has spurred interest on the search for others energy alternatives. A sarvey carried out within urban households and hotels in Manaus showed that a part of its energy consumption is used to heat water for human confort. Shifting to solar energy from the present system of water heating — which is based on electrify, butane gas and fueloil — would bring about substantial savings in fossil fuels. Existing local experiments have shown this substitution to be satisfatory.

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Scientific Electronic Library Online Brazil - Brazil