Results 81 to 90 of about 63,189 (213)

THE ROLL OF FINANCIAL ASSISTANCE IN THE IMPLEMENTATION OF ENVIRONMENTAL POLICY [PDF]

open access: yes
The paper analyses the roll of the main external funds in the environmental protection. These investments represent an important place in the economic growth and in the same time contribute to the achievement of the objectives of the environmental policy,
Florina BRAN
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Desarrollo y caracterización de caolines modificados para aplicaciones industriales

open access: yesRevista Politécnica, 2010
Resumen.- En este trabajo se buscó modificar térmicamente arcillas tipo caolines para mejorar sus propiedades mecánicasnaturales y obtener materiales con posibilidades de uso industrial.
Ernesto De la Torre   +2 more
doaj  

Evaluation of Toughness of High Strength Low Alloy (HSLA) Steels as a Function of Carbon Content [PDF]

open access: yes, 2019
The influence of carbon content on the microstructure and toughness of HSLA steel at room temperature was investigated based on experimental work and literature.
Naher, S., Qaban, A.
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Ordenamiento de la minería de materiales de construcción en las Islas de Providencia y Santa Catalina, Colombia

open access: yesGestión y Ambiente, 2010
El objeto de este trabajo radica en brindar soluciones a la problemática de abastecimiento de materiales de construcción (grava, gravilla, arenas) en las islas de Providencia y Santa Catalina.
Primitivo Hernández Almanza   +1 more
doaj  

ESTUDO DO COEFICIENTE DE PERMEABILIDADE EM ENSAIOS DE POÇO PELO PADRÃO ABGE: COMPLEXO ALCALINO CARBONATÍTICO DO BARREIRO (CACB), ARAXÁ-MG

open access: yesRevista Águas Subterrâneas, 2017
O conhecimento do coeficiente de permeabilidade (K) de um solo é de suma importância em estudos de vários cunhos, sobretudo naqueles relacionados ao fluxo de água subterrânea, auxiliando na caracterização do meio pelo qual esta percola.
Tiago Antônio Torres Gomes   +1 more
doaj   +1 more source

ECONOMIC PROCESS OPTIMIZATION DEPLOYED BY COMPANIES WITH COMPLEX ACTIVITY PRODUCTION – TRADE – SERVICES USING INFORMATICS SYSTEMS WITH INTEGRATED DATA MINING TECHNIQUES [PDF]

open access: yes
There are many economic processes deployed by companies with a complex activity that can be optimized, among the most common being: supply, production/service, distribution, sales, suppliers/customers relationships, inventory management, human resources ...
ANDRONIE, Mihai
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La industria metálica del depósito sepulcral de Pico Ramos (Muskiz, Biscay). [PDF]

open access: yes, 1995
Los materiales metálicos del conjunto calcolítico de la cueva sepulcral de Pico Ramos son un punzón biapuntado y una punta de cobre. Además, existe una pieza laminar que podría pertenecer a este momento a pesar de que cuenta con impurezas más frecuentes ...
José Mª Salgado, Lydia Zapata
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Reverse Acid Leaching for Removal of Iron in Kaolinitic Clay in Cay Guam, Moa Cuba

open access: yesMinería y Geología, 2017
The objective of the study was to clean the kaolinitic clays in Cay Guam ore body through reverse acid leaching using chloride acid as a leach agent in order to clean the clay by eliminating the iron content.
Sergio Cabo de Villa-Figueiral   +2 more
doaj  

System Approach – Decision Support in the Management of Environmental Protection [PDF]

open access: yes
Relationships between society and environment became an important subject for research in all domains of science. The emergency of problem solving and the incomplete knowledge of numerous elements, processes and interactions have created a number of ...
Carmen Valentina RADULESCU   +2 more
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El primer reactor argentino (1955-1958) : átomos, militares y civiles [PDF]

open access: yes, 1913
Fil: Hurtado de Mendoza, Diego. Universidad Nacional de San Martín. Escuela de Humanidades; Argentina.Como fruto de un ingente trabajo de colaboración entre científicos civiles "encabezados por Jorge\nSábato" y funcionarios militares "comandados por ...
Cámara Agrícola de Carrión de los Condes (Palencia)   +1 more
core  

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