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In the field of seismic event identification, three spatial dimensions and one time dimension are almost always coupled together. This may create confusion in data perception and interpretation. A novel multi-D display device wchih can improve data visualization is needed. The object of this project is to develop a Volumetric Image Display (VID) capable of displaying multi-D volumetric images in a ...

THIS NATION HAS MORE THAN 11 MILLION MANHOLES WHICH NOW NEED, OR SOON WILL NEED, TO BE REHABILITATED. CURRENT TECHNIQUES ARE EITHER TOO COSTLY OR DO NOT LAST. THIS RESEARCH SPEAKS TO THIS PROBLEM THROUGH DEVELOPMENT OF AN INNOVATIVE TECHNIQUE OF RESTORING MANY OF THESE STRUCTURES AT LESS THAN HALF THE COST OF THE RELIABLE METHODS AVAILABLE TODAY. THE CONCEPT USES A NEWLY DEVELOPED APPLICATOR WH ...

The proposed effort investigates the use of smart materials (such as strain actuators and sensors) and modern control theory to suppress unsteady buffet loads encountered by vertical tail aircraft such as the F/A-18. The active smart material system proposed has distinct advantages over traditional passive damping treatments and active articulated control surface techniques. This innovative smart ...

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Jet engine test cells are faced with meeting regulations related to NOx emissions and opacity. Based upon reported research results, it appears that the Pulse Induced Plasma Chemical Process (PPCP) could be effectively applied to jet engine test cells for the control of NOx. The process provides high efficiency NOx removal at relatively low temperature without the need for NH3 injection. PPCP can ...

A STEP TOWARD BEING NUMBER ONE IN MATHEMATICS AND SCIENCE EDUCATION BY THE YEAR 2000 (AMERICA 2000 GOAL) AND MAINTAINING REASONABLE SCHOOL BUDGETS CAN BE MADE BY INTRODUCING A LOW COST SYSTEM WHICH WILL BRING THE STATE-OF-THE-ART TECHNOLOGY INTO THE HIGH SCHOOL LABORATORY. THE PLANNED LABORATORY WORKSTATION ADDRESSES THIS NEED, BY TAKING THE STATE OF THE ART TOOLS AVAILABLE FOR RESEARCHERS AND INT ...

STATIONARY SOURCES IN THE U.S. EMIT ABOUT ONE MILLION KG OF MERCURY INTO THE ATMOSPHERE ANNUALLY. MAJOR SOURCES OF THESE EMISSONS ARE FOSIL FUEL COMBUSTIONFACILITIES ANE MUNICIPAL SOLID WASTE INCINERATORS. MUCH WORK IS BEING DONE BY DOE AND INDUSTRY TO CHARACTERIZE THESE EMISSIONS AND TO DEVELOP EFFECTIVE CONTROL MEASURES. CONTINUOUS EMISSIONS MONITORS (CEMS) FOR MERCURY WILL PLAY A SIGNIFCANT ROL ...

The development of a simple, reliable, and easily operated system to detect and measure airborne lead (Pb) to trace levels is the subject of the Phase I effort. Lead is toxic to humans at very low levels and is ingested easily by breathing air in which elemental Pb or compounds of this element are dispersed. In firing ranges there is an opportunity for shooters and range personnel to be exposed to ...