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Ganuna (7)-ray lenses are an advanced technology currently under development at Argonne National Laboratory for arms control application. The purpose of this proposal is to address whether y-ray lens technology can enable an improved system for imaging radioactive isotopes in patients. In nuclear medicine, it is often desirable to generate a y-ray image that shows the exact areas where an emitting ...

RESEARCH WILL BE CONDUCTED BY HICHEM CORPORATION, TO DEVELOP A NEW TECHNOLOGY FOR PYROLYSIS OF SCRAP TIRES. DISPOSAL OF USED TIRES IS A BIG PROBLEM IN THE WORLD, ESPECIALLY USA, SINCE MORE THAN 2.5 MILLION TIRES ARE DISCARDED EACH YEAR. MOST OF THESE TIRES ARE DISPOSED IN LANDFILLS. PYROLYSIS OF SCRAP TIRES HELPS TO RECOVER AND REUSE MOST OF THE VALUABLE CHEMICAL AVAILABLE IN TIRES. PYROLYSIS OF S ...

A new approach to generating atomic hydrogen (and possibly N and O) will give atomic fluxes of 10(-19) atoms/cm(-2) over a three inch wafer positioned three inches in front of the source. Scalt up to larger areas may be possible in phase II. We will examine the use of this source as an alternative to hot filament assisted generation of atomic H for diamond thin film growth. Use of the source for M ...

Ionwerks has begun an internally funded project to design and manufacture an MBE growth chamber specifically designed and optimized for wide bandgap nitrides (compatible with Si/Ge growth also). This chamber will include two proprietary growth techniques which we have found to be crucial for formation of cBN thin films. Design and construction of this chamber is underway. We will use this equipmen ...

THE THREE-WAY CATALYTIC CONVERTER IS THE MOST IMPORTANT DEVICE MAKING TODAY'S AUTOMOBILES COMPLY WITH EXISTING EMISSION LAWS. THE FIRST TWO OR THREE MILES IN A TYPICAL 22-MINUTE, 12-MILE COMUTE IN TODAY'S VEHICLES RESULT IN THE EMISSION OF HALF OF THE TOTAL NON-METHANE HYDROCARBONS, WHICH RESULT IN THE PRODUCTION OF URBAN SMOG, AS WELL AS HALF OF THE TOXIC CO EMISSIONS. THIS OCCURS BECAUSE THE CAT ...

At present, the only fuel cell systems that have the capability of achieving high power den W cm-2) are the proton exchange membrane (PEM) and the alkaline fuel cell (AFC) systems. Of these, the PEM system is the leading candidate fuel cell power source for many military and commercial applications. In order to make PEM fuel cell power sources cost-competitive with competing technologies and more ...

At present, four classes of structural adhesives (epoxy resins, phenolic resins, acrylic adhesives and urethanes) are commonly employed in applications where the adhesive joint is either totally immersed in salt or fresh water or subject to high levels of moisture while simultaneously experiencing large shear loads. Each of these synthetic polymer formulations suffers from individual disadvantages ...

Water is one of the basic commodities which will be needed in ever increasing quantities as industrialization and urbanization of the world progresses presenting many new challenges for the water processing industry. As new industrial products have been developed and manufactured with increasing complexity and sophistication so has the need for increasing the purity of the processing water that is ...

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We propose a dratically new optoelectronic chip modules (OCMs) concepts to optically interconnect Si-based VLSI wafer-scale integrated circuits. Realizing the fact that system clock speed is three to five times higher than that ofprocessor speed, we propose to develop an optical clock signal distribution networks for wafer-scale interconnects. The architecture is to employ a superstrate Si/Ge wave ...