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Propellant's differentiation using ftir-photoacoustic detection for forensic studies of improvised explosive devices
(2017)
The use of propellant for making improvised explosive devices (IED) is an incipient criminal practice. Propellant can be used as initiator in explosive mixtures along with other components such as coal, ammonium nitrate, ...
A load cell for grain-propelled ballistic rocket thrust measurement
(2005-12-01)
A 1000-kgf resistive strain-gauge load cell has been developed for quality testing of rocket propellant grain. A 7075-T6 aluminum alloy has been used for the elastic column, in which 8 uniaxial, 120-Ω strain gauges have ...
Efeito da concentração do catalisador acetilacetonato férrico na cura de poliuretano à base de polibutadieno líquido hidroxilado (PBLH) e diisocianato de isoforona (IPDI)
(Sociedade Brasileira de Química, 2002-05-01)
The reaction between hydroxy-terminated polybutadiene and isophorone diisocyanate constitutes the base of the curing process of the most composite solid propellant used in the propulsion of solid rocket propellant. In this ...
Efeito da concentração do catalisador acetilacetonato férrico na cura de poliuretano à base de polibutadieno líquido hidroxilado (PBLH) e diisocianato de isoforona (IPDI)
(Sociedade Brasileira de Química, 2002-05-01)
The reaction between hydroxy-terminated polybutadiene and isophorone diisocyanate constitutes the base of the curing process of the most composite solid propellant used in the propulsion of solid rocket propellant. In this ...
On the control of vibrations using synchrophasing
(2013-09-30)
This paper describes the application of a technique, known as synchrophasing, to the control of machinery vibration. It is applicable to machinery installations, in which several synchronous machines, such as those driven ...
Effect of mixing mode on the behavior of an ASBBR with immobilized biomass in the treatment of cheese whey
(Brazilian Society of Chemical Engineering, 2008)
A hydrodynamic study of a mechanically stirred anaerobic sequencing batch biofilm reactor (ASBBR) containing immobilized biomass on polyurethane foam was performed with the aim to determine homogeneity of the reactor based ...
Diseño y construcción de banco de pruebas para hélices
(Universidad de los AndesIngeniería MecánicaFacultad de IngenieríaDepartamento de Ingeniería Mecánica, 2018)
"En este proyecto de grado se diseña y manufactura un banco de pruebas para la caracterización de sistemas de propulsión de hélices por medio de medición manual con masas calibradas, se compara con un banco de fabricación ...
Control electronico para la velocidad y sentido de giro de una maquina de corriente directa sin escobillas
(Instituto Tecnologico de Costa Rica. Escuela de Ingenieria Electronica., 2007)
El Departamento de Ingeniería en Telecomunicaciones de la Universidad
Técnica de República Checa está desarrollando una fuente de poder portátil
para equipo de telecomunicaciones ubicado en lugares donde no hay acceso ...