Results 61 to 70 of about 107 (89)

Concretos refratários utilizados na indústria do cimento - análise comparativa de desempenho em função do tipo de ligante e da forma de aplicação

open access: yes, 2016
Refractory material has a strategic importance in the productive chain of industry, as it provides essential materials for the operation of equipment. In Brazil, after steel, the cement industry presents the greatest demand for refractories. This segment
Marcos Henrique de Oliveira Teixeira
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A consciência em Freud

open access: yes, 2006
Este trabalho focaliza a consciência na teoria freudiana. Destacando o inconsciente como objeto da psicanálise, Freud nunca deixou de considerá-la como um fenômeno essencial, basta lembrar que a nomeação das três instâncias que constituem o psiquismo foi
Cesarotto, Marta Nora Oneto de
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Nano-bonded castables for fluid catalytic cracking units

open access: yes, 2013
In the petrochemical industry gasoline and LPG are produced in the fluid catalytic cracking unit (FCCU). The cracking occurs by the contact of crude oil with fluidized fine particles of a ceramic catalyst. The process profitability is strongly related to
Prestes, Eduardo
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Control mechanisms for the hydration reaction aiming its use in refractory castables

open access: yes, 2009
The increasing demand in the last years enhanced significantly the steel industry production As a consequence, most of the aspects regarding its production had to be reviewed aiming an optimum output. Concerning this goal, the reducing in equipments idle
Amaral, Léa Fantin
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Evaluation of thermal shock damage of refractory castables using the non-linear resonant acoustic spectroscopy

open access: yes, 2012
In this thesis the Non-linear Resonant Acoustic Spectroscopy Technique used to evaluate the mesoscopic non-linearity was incorporated into the Impulse Excitation Technique, which is extensively applied to the evaluation of thermal shock damage of ...
Pereira, Antônio Henrique Alves
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Evaluation of the energy of fracture in ceramic materials at high temperatures.

open access: yes, 2005
In this work, the main objective was to determine the energy of fracture in ceramic materials, focused on refractories, at high temperatures and to inquire the interference of the creep on this measurement.
Santos, Sérgio Francisco dos
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Influência das condições de mistura e moldagem na permeabilidade de concretos refratários aluminosos

open access: yes, 2008
The factors mixture water grade and launch method have great influence on final characteristics of refractory concrete in the fresh and harden states considering its performance in relation to launch and utilization conditions, being, besides aspects ...
Henrique Jardim Raad
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Thermal storage of sensible heat

open access: yes
Há no mundo um aumento contínuo na demanda de energia e métodos alternativos de produção energia vem sendo cada vez mais procurados. O Brasil se caracteriza por possuir um clima predominantemente tropical em grande parte de seu território, porém existem ...
Sobrinho, Beatriz Zorzan. [UNESP]
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