NASA Tech Briefs, September 2004Topics covered include: Brazing SiC/SiC Composites to Metals; Composite-Material Tanks with Chemically Resistant Liners; Thermally Conductive Metal-Tube/Carbon-Composite Joints; Improved BN Coatings on SiC Fibers in SiC Matrices; Iterative Demodulation and Decoding of Non-Square QAM; Measuring Radiation Patterns of Reconfigurable Patch Antennas on Wafers; Low-Cutoff, High-Pass Digital Filtering of Neural Signals; Further Improvement in 3DGRAPE; Ground Support Software for Spaceborne Instrumentation; MER SPICE Interface; Simulating Operation of a Planetary Rover; Analyzing Contents of a Computer Cache; Discrepancy Reporting Management System; Silicone-Rubber Microvalves Actuated by Paraffin; Hydraulic Apparatus for Mechanical Testing of Nuts; Heat Control via Torque Control in Friction Stir Welding; Manufacturing High-Quality Carbon Nanotubes at Lower Cost; Setup for Visual Observation of Carbon-Nanotube Arc Process; Solution Preserves Nucleic Acids in Body-Fluid Specimens; Oligodeoxynucleotide Probes for Detecting Intact Cells; Microwave-Spectral Signatures Would Reveal Concealed Objects; Digital Averaging Phasemeter for Heterodyne Interferometry; Optoelectronic Instrument Monitors pH in a Culture Medium; Imaging of gamma-Irradiated Regions of a Crystal; Photodiode-Based, Passive Ultraviolet Dosimeters; Discrete Wavelength-Locked External Cavity Laser; Flexible Shields for Protecting Spacecraft Against Debris; Part 2 of a Computational Study of a Drop-Laden Mixing Layer; Controllable Curved Mirrors Made from Single-Layer EAP Films; and Demonstration of a Pyrotechnic Bolt-Retractor System.
IDRelationTitle20110020546WorkMicrowave-Spectral Signatures Would Reveal Concealed Objects20110020524WorkOligodeoxynucleotide Probes for Detecting Intact Cells20110020537WorkSilicone-Rubber Microvalves Actuated by Paraffin20110020529WorkMeasuring Radiation Patterns of Reconfigurable Patch Antennas on Wafers20110020534WorkFlexible Shields for Protecting Spacecraft Against Debris20110020538WorkGround Support Software for Spaceborne Instrumentation20110020535WorkControllable Curved Mirrors Made from Single-Layer EAP Films20110020528WorkFurther Improvement in 3DGRAPE20110020533WorkDigital Averaging Phasemeter for Heterodyne Interferometry20110020522WorkMER SPICE Interface20110020521WorkDiscrepancy Reporting Management System20110020525WorkAnalyzing Contents of a Computer Cache20110020520WorkSimulating Operation of a Planetary Rover20110020545WorkIterative Demodulation and Decoding of Non-Square QAM20110020540WorkSetup for Visual Observation of Carbon-Nanotube Arc Process20110020530WorkComposite-Material Tanks with Chemically Resistant Liners20110020527WorkLow-Cutoff, High-Pass Digital Filtering of Neural Signals20110020547WorkHydraulic Apparatus for Mechanical Testing of Nuts20110020526WorkThermally Conductive Metal-Tube/Carbon-Composite Joints20110020543WorkDiscrete Wavelength-Locked External Cavity Laser20110020518WorkBrazing SiC/SiC Composites to Metals20110020519WorkImproved BN Coatings on SiC Fibers in SiC Matrices20110020539WorkManufacturing High-Quality Carbon Nanotubes at Lower Cost20110020544WorkPart 2 of a Computational Study of a Drop-Laden Mixing Layer20110020542WorkPhotodiode-Based, Passive Ultraviolet Dosimeters20110020536WorkDemonstration of a Pyrotechnic Bolt-Retractor System20110020531WorkHeat Control via Torque Control in Friction Stir Welding20110020541WorkImaging of gamma-Irradiated Regions of a Crystal20110020523WorkSolution Preserves Nucleic Acids in Body-Fluid Specimens20110020532WorkOptoelectronic Instrument Monitors pH in a Culture Medium