TDA RESEARCH, INC.

BORON PHOSPHIDE (BP) IS A SEMICONDUCTOR WITH A WIDE BANDGAP AND EXCEPTIONAL PHYSICAL PROPERTIES, INCLUDING A MELTING POINT GREATER THAN 3,000 DEGREES CENTIGRADE, HIGH TEMPERATURE OXIDATION RESISTANCE, ...

THE USE OF NATURAL GAS VEHICLES (NGVS) IS EXPECTED TO GROW RAPIDLY OVER THE NEXT FEW YEARS, WITH A POTENTIAL MARKET OF 1.7 MILLION UNITS PER YEAR. ALTHOUGH NGVS EMIT LESS CO AND NON-METHANE HYDROCARBO ...

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AIRCRAFT DESIGNED FOR FLIGHT IN THE MACH 3-6 RANGE MUST INCORPORATE ACTIVE COOLING IN THE TURBORAMJET PROPULSION SYSTEM. THE REQUIRED COOLING CAN BE PROVIDED BY AN ENDOTHERMIC REACTION OF THE FUEL. EN ...

NITROGEN OXIDES (NO AND NO2 OR NOX) ARE AMONG THE MOST PERVASIVE AND DIFFICULT EMISSIONS TO CONTROL. ALTHOUGH THE DECOMPOSITION OF THE MAJOR SPECIES (NO) IS THERMODYNAMICALLYFAVORED, THERE ARE NO CATA ...

CHROMIUM CONTAMINATION IS PRESENT AT OVER ONE-HALF OF THE SUPERFUND SITES. CHROMIUM(VI) IS A STRONG OXIDIZER, TOXIC, CARCINOGENIC, AND IS PARTICULARLY DIFFICULT TO MANAGE BECAUSE CHROMIUM IS USUALLY P ...

CHEMICAL HEAT SOURCES HAVE MANY POTENTIAL MILITARY APPLICATIONS. FOR EXAMPLE, AN ELECTROCHEMICAL CELL HAS BEEN DEVELOPED AS A FLAMELESS RATION HEATER. THE OBJECTIVE OF THE PROPOSED WORK IS (1) TO IDEN ...