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SOIL WASHING OR FLUSHING HAS BEEN SHOWN TO BE AN EFFECTIVE METHOD FOR REMOVING HEAVY METALS FROM METAL-CONTAMINATED SOILS AT SUPERFUND SITES. SANDY SOILS CAN OFTEN BE WASHED WITH WATER TO MOBILIZE METAL IONS IN AN AQUEOUS PHASE, BUT FOR CLAY SOILS OR SOILS WHICH CONTAIN INSOLUBLE METAL COMPOUNDS, E.G., LEAD SULFATE, OTHER ADDITIVES SUCH AS CHELATING AGENTS (EDTA) ARE USED TO EFFECT TRANSFER OF MET ...

Not Available Solution quality assessment and diagnosis which reflect the depth of understanding possessed by computational fluid dynamics (CFD) experts is required to make efficient use of modern CFD methods. The goal of this work is to develop an automated system whi

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Not Available The purpose of the proposed research is to show that significant improvements in the performance of electrically tunable microwave devices can be obtained using a novel type of superlattice structures. The approach is based on recent work at Neocera showi

Not Available NASA SBIR Solicitation 98-1 emphasizes that ¿Advanced extravehicular activity (EVA) systems are necessary for the successful support of future human space missions.¿ Topic 09.05 recognizes that development of advanced EVA systems depends on ¿methods for..

Not Available Mod Works proposes to construct major airframe components using modern aluminum manufacturing process (MAM). The objective will be to reduce the cost of manufacturing while maintaining better surface quality. Major reduction in cost and labor requirement

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Not Available There is rapid growth in the amount of remotely sensed (RS) image data. All future NASA and commercial remote sensing projects will have to deal with databases of unprecedent size and complexity. Providing an effective information link between these vast