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Mostrando ítems 11-20 de 56
Desenvolvimento de semicubos de roda aeronáuticos: uma contribuição metalúrgica em liga ultra-leve magnésio AZ-91C à Força Aérea Brasileira
(Universidade Estadual Paulista (UNESP), 2014)
Reuso de areia descartada de fundição para a confecção de blocos de concreto estrutural
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia AmbientalUTFPR, 2016-06-08)
The foundry industry is responsible for generating large volumes of waste with potential to harm public health and the environment. Discarded sand casting (ADF), being its main waste, is classified by ABNT NBR 10.004: 2010 ...
Hydraulic Conductivity of Organoclay and Organoclay-Sand Mixtures to Fuels and Organic Liquids
(Asce-amer Soc Civil Engineers, 2015-02)
Hydraulic conductivity, swelling, and liquid sorption capacity (i.e., maximum organic liquid mass bound per mass organoclay solid) were measured for an organoclay with dimethylammonium bound to the surface. Five fuels (No. ...
Confecção e avaliação de péletes de sementes de alface
(Associação Brasileira de Horticultura, 1998-11)
In this work, pellets were produced in a small concrete mixer like machine (pan), where seeds rolled over one another, receiving gradually and alternately coating (stuffing) and cement (adhesive) ingredients, until they ...
Rejeitos de fundição: recuperação de argila e modificação para aplicações ambientais
(Universidade Federal de Minas GeraisUFMG, 2009-07-17)
The iron foundry industry in Brazil generates about 2 million ton of waste per year. The big amount of waste generated has motivated researchers to find destinations for this waste. In this work were investigated different ...
Macroscopic properties of soils controlled by the diffuse double layer around particles
(Trade Science Inc., 2010-06)
Physic and chemical properties ofliquids and particle-fluid interaction (PFI) mechanisms control relevant soil properties. Chemical properties of pore fluids affect mainly the structure and hydraulic conductivity of fine ...
Escarificação, tratamento químico, revestimento e armazenamento de sementes de Brachiaria brizantha cultivar MaranduScarification, chemical treatment, seed coating and seed storage of Brachiaria brizantha cultivar Marandu
(UNIVERSIDADE FEDERAL DE LAVRASDAG - Programa de Pós-graduaçãoUFLABRASIL, 2014)
Estudio del aporte económico en la explotación minera de Bentonita Cálcica en el sector Villingota
(Universidad de Guayaquil Facultad de Ciencias Administrativas, 2018)
El presente estudio realizado se da a conocer sobre la explotación de la bentonita cálcica en el sector Villingota, El sector Villingota, llamado también comuna de Villingota con un aproximado de 330 habitantes, este sito ...