Abstract:
Combustion means are provided for burning in a low-pollution manner the exhaust gases of an internal combustion engine operable in the fuel-rich mode. In order to effect complete combustion of the hydrocarbon and carbon monoxide components without the formation of undesirable oxides of nitrogen, the combustion of the fuel-rich exhaust gases is effected by burner means operable at one atmosphere and between about 2500* Rankine to about 3300* Rankine. Combustion air is supplied to the burner by an air motor of the piston-cylinder type which may be driven by the crankshaft of the engine. Heat exchanger means may be provided for converting the heat of the burner flame to useful mechanical energy that is returned as driving power to the engine. One or more of the cylinders of the engine may constitute the air cylinder means for supplying combustion air to the burner, as well as the means for returning power from the burner to the output shaft of the engine.
Abstract:
VIABLE, STABLE, CELL-FREE VIRUS SUSPENSIONS HAVING A HIGH TITER ARE OBTAINED FROM CELLS INFECTED WITH CELL-ASSOCIATED VIRUS BY EXTRACTING THE VIRUS IN THE PRESENCE OF A STABILIZING AGENT. THE VIRUSES SO PRODUCED MAY BE LYOPHILIZED TO FORM A VIABLE STORAGE-STABLE VIRUS USEFUL AS A VACCINE.
Abstract:
The sonic inspection method and apparatus includes the use of a thin walled receptacle having a low resistance to the transmission of sonic waves to contain the body to be inspected and a fluid having acoustical properties corresponding to those of the body. A sonic transducer is acoustically coupled to the exterior of the receptacle to transmit sonic waves to the body and receive the reflected waves therefrom.