nasa technical reports server

https://ntrs.nasa.gov/citations/19930073077 Interior Landscape Plants for Indoor Air Pollution Abatement - NASA Technical Reports Server (NTRS) In this study, the leaves, roots, soil, and associated microorganisms of plants have been evaluated as a possible means of reducing indoor air pollutants.... nasa technical reports server indoor air pollution https://ntrs.nasa.gov/citations/19930090976 Summary of Airfoil Data - NASA Technical Reports Server (NTRS) The historical development of NACA airfoils is briefly reviewed. New data are presented that permit the rapid calculation of the approximate pressure... nasa technical reports server summary airfoil data ntrs https://ntrs.nasa.gov/search Search - NASA Technical Reports Server (NTRS) nasa technical reports server search ntrs https://ntrs.nasa.gov/search.jsp?R=19790020032 Chariots for Apollo: A History of Manned Lunar Spacecraft - NASA Technical Reports Server (NTRS) Beginning with the challenges presented by Sputnik 1 in 1957, and the formation of NASA, the apollo lunar exploration program is reviewed through Apollo Flight... nasa technical reports server https://ntrs.nasa.gov/search?q=Alexander%20Radford%20Fryer&author=Alexander%20Radford%20Fryer Search - NASA Technical Reports Server (NTRS) nasa technical reports server search ntrs https://ntrs.nasa.gov/citations/19670005458 Alternate approaches to sterilizable power sources - NASA Technical Reports Server (NTRS) Alternate approaches to sterilizable planetary landing spacecraft power supplies nasa technical reports server power sources alternate approaches sterilizable https://ntrs.nasa.gov/citations/20100035087 FeatherSail - The Next Generation Nano-Class Sail Vehicle - NASA Technical Reports Server (NTRS) Solar sail propulsion is a concept, which will soon become a reality. Solar sailing is a method of space flight propulsion, which utilizes the light photons to... nasa technical reports server the next generation https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810001583.pdf Voyager backgrounder - NASA Technical Reports Server (NTRS) The design, configuration, and instrumentation of the Voyager spacecraft is presented. Mission experiments conducted by the spacecraft are described. nasa technical reports server voyager backgrounder ntrs https://ntrs.nasa.gov/citations/19970013726 Telstar 401 Reconditioning Experience - NASA Technical Reports Server (NTRS) Telstar 401 was launched December 15, 1993. It has two 58 cell 50 AH Nickel Hydrogen batteries of the Comsat design. Reconditioning has traditionally been used... nasa technical reports server telstar reconditioning experience ntrs https://ntrs.nasa.gov/citations/19770009001 Extragalactic astronomy: The universe beyond our galaxy - NASA Technical Reports Server (NTRS) This single-topic brochure is for high school physical science teachers to use in introducing students to extragalactic astronomy. The material is presented in... nasa technical reports server the universe our galaxy https://ntrs.nasa.gov/citations/19670005442 Visual monitoring as an assay technique - NASA Technical Reports Server (NTRS) Visual monitoring techniques for microbiological contamination control to meet spacecraft sterilization requirements nasa technical reports server visual monitoring assay https://ntrs.nasa.gov/citations/19940014992 Computational Methods for Crashworthiness - NASA Technical Reports Server (NTRS) Presentations and discussions from the joint UVA/NASA Workshop on Computational Methods for Crashworthiness held at Langley Research Center on 2-3 Sep. 1992... nasa technical reports server computational methods crashworthiness ntrs https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740018186.pdf Assessment of the probability of contaminating Mars - NASA Technical Reports Server (NTRS) New methodology is proposed to assess the probability that the planet Mars will by biologically contaminated by terrestrial microorganisms aboard a spacecraft.... nasa technical reports server of the assessment probability https://ntrs.nasa.gov/citations/19840023892 Guidelines for testing and release procedures - NASA Technical Reports Server (NTRS) Guidelines and procedures are recommended for the testing and release of the types of computer software efforts commonly performed at NASA/Ames Research... nasa technical reports server for testing release procedures guidelines https://ntrs.nasa.gov/citations/19810012965 Li/SO2 Cell for Galileo - NASA Technical Reports Server (NTRS) Some information on the special process controls for lithium sulfur dioxide (Li/SO2) batteries is presented with reference to how those controls affected the... nasa technical reports server li cell ntrs https://ntrs.nasa.gov/citations/19670005457 Batteries and space power systems - NASA Technical Reports Server (NTRS) Heat sterilizable batteries and separator materials for planetary landing capsules nasa technical reports server space power batteries systems ntrs https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20020083175.pdf Water Purification - NASA Technical Reports Server (NTRS) Silver ionization water purification technology was originally developed for Apollo spacecraft. It was later used to cleanse swimming pools and has now been... nasa technical reports server water purification ntrs https://ntrs.nasa.gov/citations/20050186568 CAPS Simulation Environment Development - NASA Technical Reports Server (NTRS) The final design for an effective Comet/Asteroid Protection System (CAPS) will likely come after a number of competing designs have been simulated and... nasa technical reports server caps simulation environment development https://ntrs.nasa.gov/search.jsp?R=19990036490&hterms=coagulation&qs=Ntx%3Dmode%2Bmatchall%26Ntk%3DAll%26N%3D0%26No%3D80%26Ntt%3Dcoagulation Smoke, Clouds, and Radiation-Brazil (SCAR-B) Experiment - NASA Technical Reports Server (NTRS) The Smoke, Clouds, and Radiation-Brazil (SCAR-B) field project took place in the Brazilian Amazon and cerrado regions in August-September 1995 as a... nasa technical reports server https://ntrs.nasa.gov/citations/19760004045 Spin test on HELIOS louver - NASA Technical Reports Server (NTRS) The effect of the spin motion of the solar probe on the characteristic of the louver was investigated. The qualification test set-up and procedure is described... nasa technical reports server spin test helios louver ntrs https://ntrs.nasa.gov/citations/20130009019 Interferometers Sharpen Measurements for Better Telescopes - NASA Technical Reports Server (NTRS) Over the last decade, there have been a number of innovations that have made possible the largest and most powerful telescope of its time: the James Webb Space... nasa technical reports server for better interferometers sharpen measurements https://ntrs.nasa.gov/citations/19840014448 The Star Splitters: The High Energy Astronomy Observatories - NASA Technical Reports Server (NTRS) The nature of the high energy universe and the design of instruments to analyze stellar and galactic radiation are described in this history of the HEAO... nasa technical reports server the star high energy https://ntrs.nasa.gov/citations/19780024205 UNIBUS monitor for PDP 11 - NASA Technical Reports Server (NTRS) A UNIBUS monitor was designed and constructed to facilitate development of hardware interfaces with the PDP 11 minicomputer. The monitor provides useful... nasa technical reports server monitor pdp ntrs https://ntrs.nasa.gov/citations/19980045313 Probability and Statistics in Aerospace Engineering - NASA Technical Reports Server (NTRS) This monograph was prepared to give the practicing engineer a clear understanding of probability and statistics with special consideration to problems... nasa technical reports server probability and statistics aerospace engineering https://ntrs.nasa.gov/citations/19820008033 Three methods for performing Hankel transforms - NASA Technical Reports Server (NTRS) Three methods for performing Hankel transforms with optical or digital processors are described. The first method is applicable when the input data is... nasa technical reports server three methods performing hankel https://ntrs.nasa.gov/citations/19730013015 Active seismic experiment - NASA Technical Reports Server (NTRS) The Apollo 16 active seismic experiment (ASE) was designed to generate and monitor seismic waves for the study of the lunar near-surface structure. Several... nasa technical reports server active seismic experiment ntrs https://ntrs.nasa.gov/search?q=%22AH-6i%22%20AND%20%22Helicopter%22 Search - NASA Technical Reports Server (NTRS) nasa technical reports server search ntrs https://ntrs.nasa.gov/search.jsp?R=19870014944 Fifty Year Canon of Solar Eclipses: 1986-2035 - NASA Technical Reports Server (NTRS) nasa technical reports server https://ntrs.nasa.gov/citations/20190030491 Automatic Anomaly Detection with Machine Learning - NASA Technical Reports Server (NTRS) This presentation will discuss the following topics: Understanding the benefits of automatic anomaly detection Identifying precursors with algorithms.... nasa technical reports server anomaly detection machine learning automatic https://ntrs.nasa.gov/citations/19940007715 Tectonics on Triton - NASA Technical Reports Server (NTRS) Tectonic features on Triton have been mapped as part of a larger study of the geology of Triton. Few purely tectonic structures are found on Triton: some... nasa technical reports server tectonics triton ntrs https://ntrs.nasa.gov/search.jsp?R=20130011800 A DC Transformer - NASA Technical Reports Server (NTRS) A component level dc transformer is described in which no alternating currents or voltages are present. It operates by combining features of a homopolar motor... nasa technical reports server dc transformer ntrs https://ntrs.nasa.gov/citations/19930094761 Experiments with Intubed Propellers - NASA Technical Reports Server (NTRS) This report describes the results of experiments with a new method of propulsion involving propellers operating in conjunction with a Venturi tube forming the... nasa technical reports server experiments propellers ntrs https://ntrs.nasa.gov/search.jsp?R=19740074600 Proceedings of Nuclear Propulsion Conference - NASA Technical Reports Server (NTRS) No abstract available nasa technical reports server nuclear propulsion proceedings conference ntrs https://ntrs.nasa.gov/citations/20130009018 Satellite Maps Deliver More Realistic Gaming - NASA Technical Reports Server (NTRS) When Redwood City, California-based Electronic Arts (EA) decided to make SSX, its latest snowboarding video game, it faced challenges in creating... nasa technical reports server satellite maps deliver realistic https://ntrs.nasa.gov/citations/19930007707 Concrete: Potential material for Space Station - NASA Technical Reports Server (NTRS) To build a permanent orbiting space station in the next decade is NASA's most challenging and exciting undertaking. The space station will serve as a center... nasa technical reports server for space concrete potential material https://ntrs.nasa.gov/citations/20130009044 Anti-Icing Formulas Prevent Train Delays - NASA Technical Reports Server (NTRS) In the winter of 2009, Washington, DC, workers faced the prospect of a difficult commute due to record-setting snowfalls. But thousands of the city's Metrorail... nasa technical reports server train delays anti icing formulas https://ntrs.nasa.gov/citations/20050186794 Research Symposium I - NASA Technical Reports Server (NTRS) The proceedings of this symposium consist of abstracts of talks presented by interns at NASA Glenn Research Center (GRC). The interns assisted researchers at... nasa technical reports server research symposium ntrs https://ntrs.nasa.gov/citations/19770026862 Blood volume changes - NASA Technical Reports Server (NTRS) Red cell mass measurements on Skylab crewmembers revealed a statistically significant decrease in circulating red cells. Low reticulocyte counts at crewmember... nasa technical reports server blood volume changes ntrs https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19680018720.pdf Chronological Catalog of Reported Lunar Events - NASA Technical Reports Server (NTRS) Chronological catalog of reported lunar events or temperature changes on moon recorded between 1540 and 1967. nasa technical reports server lunar events chronological catalog reported https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890016610.pdf Controller evaluations of the descent advisor automation aid - NASA Technical Reports Server (NTRS) An automation aid to assist air traffic controllers in efficiently spacing traffic and meeting arrival times at a fix has been developed at NASA Ames Research... nasa technical reports server https://ntrs.nasa.gov/citations/20070018873 Spinoff 1978 - NASA Technical Reports Server (NTRS) Spinoff '78 is the annual report of NASA's Technology Utilization Program, which is charged with promoting and stimulating the practical application of... nasa technical reports server spinoff ntrs https://ntrs.nasa.gov/citations/19750011070 Visually induced sensations of motion - NASA Technical Reports Server (NTRS) Modeling the visual and vestibular information integration process in humans was studied to determine the implications of these models with respect to... nasa technical reports server visually induced sensations motion https://ntrs.nasa.gov/citations/20190033460 The Badhwar-O'Neill 2020 Model - NASA Technical Reports Server (NTRS) The Badhwar-O'Neill (BON) model has been used for some time to describe the galactic cosmic ray (GCR) environment encountered in deep space by astronauts and... nasa technical reports server neill https://ntrs.nasa.gov/citations/19750011083 The muscle spindle as a feedback element in muscle control - NASA Technical Reports Server (NTRS) The muscle spindle, the feedback element in the myotatic (stretch) reflex, is a major contributor to muscular control. Therefore, an accurate description of... nasa technical reports server https://ntrs.nasa.gov/citations/19940007733 A method to determine asteroid poles - NASA Technical Reports Server (NTRS) The determination of spin axis and shape is well known to be of fundamental importance for studies about the rotational and physical properties of asteroids.... nasa technical reports server method determine asteroid https://ntrs.nasa.gov/citations/19940007556 Thermodynamics of lunar ilmenite reduction - NASA Technical Reports Server (NTRS) With the prospect of returning to the moon, the development of a lunar occupation would fulfill one of the goals of the Space Exploration Initiative (SEI) of... nasa technical reports server thermodynamics lunar ilmenite reduction https://ntrs.nasa.gov/citations/19910012834 An approach to space power - NASA Technical Reports Server (NTRS) Fusion offers the potential for a very high specific power, providing a large specific impulse that can be traded-off with thrust for mission optimization.... nasa technical reports server space power approach ntrs https://ntrs.nasa.gov/citations/19940016216 Visible-infrared properties of controlled laboratory soils - NASA Technical Reports Server (NTRS) Almost all surfaces available for remote observation consist of particulate materials or soils. The distribution of mean particle sizes depend on the original... nasa technical reports server https://ntrs.nasa.gov/citations/19750011061 Pitch paper pilot revisited - NASA Technical Reports Server (NTRS) Two methods are described for predicting the handling qualities of an aircraft in pitch. Both methods are based on minimizing a pilot rating expression with... nasa technical reports server pitch paper pilot revisited https://ntrs.nasa.gov/search?q=Maiwald Search - NASA Technical Reports Server (NTRS) nasa technical reports server search ntrs https://ntrs.nasa.gov/citations/19640017071 Maneuverable descent systems for mars landing - NASA Technical Reports Server (NTRS) Maneuverable landing system for mars landing nasa technical reports server maneuverable descent systems mars https://ntrs.nasa.gov/citations/19950004531 Workshop on the Analysis of Interplanetary Dust Particles - NASA Technical Reports Server (NTRS) Great progress has been made in the analysis of interplanetary dust particles (IDP's) over the past few years. This workshop provided a forum for the... nasa technical reports server https://ntrs.nasa.gov/citations/19940029537 From conditional oughts to qualitative decision theory - NASA Technical Reports Server (NTRS) The primary theme of this investigation is a decision theoretic account of conditional ought statements (e.g., 'You ought to do A, if C') that rectifies... nasa technical reports server decision theory https://ntrs.nasa.gov/citations/20020086975 Computer Reader for the Blind - NASA Technical Reports Server (NTRS) Optacon II uses the same basic technique of converting printed information into a tactile image as did Optacon. Optacon II can also be connected directly to a... nasa technical reports server for the blind computer reader ntrs https://ntrs.nasa.gov/citations/19740010663 Systems analysis of the vestibulo-ocular system - NASA Technical Reports Server (NTRS) The vestibulo-ocular system is examined from the standpoint of system theory. The evolution of a mathematical model of the vestibulo-ocular system in an... nasa technical reports server systems analysis of the https://ntrs.nasa.gov/citations/19670005455 Polymers for use in sterilized spacecraft - NASA Technical Reports Server (NTRS) Test program to evaluate polymers for use in sterilized Voyager landing capsule nasa technical reports server for use in polymers sterilized https://ntrs.nasa.gov/citations/19850015333 Terrestrial Analogs for Planetary Wrinkle Ridges - NASA Technical Reports Server (NTRS) Wrinkle ridges are common physiographic features on the terrestrial planets. Their origin has remained enigmatic, although two different types of models,... nasa technical reports server terrestrial analogs planetary wrinkle https://ntrs.nasa.gov/citations/19940022867 The Fermi paradox: An approach based on percolation theory - NASA Technical Reports Server (NTRS) If even a very small fraction of the hundred billion stars in the galaxy are home to technological civilizations which colonize over interstellar distances,... nasa technical reports server the fermi paradox https://ntrs.nasa.gov/citations/19810012973 Catastrophic event modeling - NASA Technical Reports Server (NTRS) A mathematical model for the catastrophic failures (venting or explosion of the cell) in lithium thionyl chloride batteries is presented. The phenomenology of... nasa technical reports server catastrophic event modeling ntrs https://ntrs.nasa.gov/search.jsp?R=20140005478&hterms=climate+change&qs=Ntx%3Dmode%2Bmatchall%26Ntk%3DAll%26N%3D0%26No%3D80%26Ntt%3Dclimate%2Bchange Achieving Climate Change Absolute Accuracy in Orbit - NASA Technical Reports Server (NTRS) The Climate Absolute Radiance and Refractivity Observatory (CLARREO) mission will provide a calibration laboratory in orbit for the purpose of accurately... nasa technical reports server climate change absolute accuracy in orbit https://ntrs.nasa.gov/search.jsp?R=20120016678 Z-Pinch Fusion Propulsion - NASA Technical Reports Server (NTRS) Fusion-based nuclear propulsion has the potential to enable fast interplanetary transportation. Shorter trips are better for humans in the harmful radiation... nasa technical reports server z pinch fusion propulsion https://ntrs.nasa.gov/search.jsp?R=19930081367 The Drag of Streamline Wires - NASA Technical Reports Server (NTRS) Preliminary results are given of drag tests of streamline wires. Full-size wires were tested over a wide range of speeds in the N.A.C.A. high speed tunnel. The... nasa technical reports server drag streamline wires ntrs https://ntrs.nasa.gov/citations/20070019322 Modern Exploration of the Lewis and Clark Expedition - NASA Technical Reports Server (NTRS) The Lewis and Clark Geosystem is an online collection of private, state, local, and Federal data resources associated with the geography of the Lewis and Clark... lewis and clark expedition nasa technical reports server https://ntrs.nasa.gov/citations/20090040800 Fabrication of Polyimide-Matrix/Carbon and Boron-Fiber Tape - NASA Technical Reports Server (NTRS) The term HYCARB denotes a hybrid composite of polyimide matrices reinforced with carbon and boron fibers. HYCARB and an improved process for fabricating dry... nasa technical reports server https://ntrs.nasa.gov/citations/20090006640 The TRMM Multi-Satellite Precipitation Analysis (TMPA) - NASA Technical Reports Server (NTRS) The Tropical Rainfall Measuring Mission (TRMM) Multi-satellite Precipitation Analysis (TMPA) is intended to provide a "best" estimate of quasi-global... nasa technical reports server https://ntrs.nasa.gov/citations/20080022205 Challenges and Demands on Automated Software Revision - NASA Technical Reports Server (NTRS) In the past three decades, automated program verification has undoubtedly been one of the most successful contributions of formal methods to software... nasa technical reports server automated software https://ntrs.nasa.gov/citations/19930007711 Glass and ceramics - NASA Technical Reports Server (NTRS) A variety of glasses and ceramics can be produced from bulk lunar materials or from separated components. Glassy products include sintered regolith, quenched... nasa technical reports server glass and ceramics ntrs https://ntrs.nasa.gov/citations/19810012992 Multimission modular spacecraft parallel battery tests - NASA Technical Reports Server (NTRS) Acceptance test data included: voltage profiles; pressure increase or decrease; and response of the third electrode cell. A softening of the voltage profile... nasa technical reports server battery tests modular spacecraft parallel https://ntrs.nasa.gov/citations/19770009539 U.S. Standard Atmosphere, 1976 - NASA Technical Reports Server (NTRS) Part 1 gives the basis for computation of the main tables of atmospheric properties, including values of physical constants, conversion factors, and... nasa technical reports server standard atmosphere u ntrs https://ntrs.nasa.gov/citations/19940007726 Galileo EM-2 contributions to the lunar control network - NASA Technical Reports Server (NTRS) A local control network is being developed using Galileo images that cover the region north of the Apollo area and lie between 10 and 100 degrees east... nasa technical reports server https://ntrs.nasa.gov/citations/19940004543 Propellant resupply of orbiting spacecraft - NASA Technical Reports Server (NTRS) The technology to transfer safely and easily fluids in microgravity is necessary to extend the duration of future space missions. The absence of gravity in... nasa technical reports server propellant resupply orbiting spacecraft https://ntrs.nasa.gov/citations/19930063678 Soil moisture needs in earth sciences - NASA Technical Reports Server (NTRS) The author reviews the development of passive and active microwave techniques for measuring soil moisture with respect to how the data may be used. New science... nasa technical reports server soil moisture earth sciences needs https://ntrs.nasa.gov/citations/19940007637 A reexamination of amino acids in lunar soil - NASA Technical Reports Server (NTRS) Amino acids in lunar soils provide an important indicator of the level of prebiotic organic compounds on the moon. The results provide insight into the... nasa technical reports server https://ntrs.nasa.gov/citations/19930005775 TOPEX/POSEIDON Science Investigations Plan - NASA Technical Reports Server (NTRS) TOPEX/POSEIDON is a satellite mission that will use the technique of radar altimetry to make precise measurement of sea level with a primary goal of studying... nasa technical reports server science investigations topex poseidon plan https://archive.org/details/NASA_NTRS_Archive_20140017285/page/n1/mode/2up NASA Technical Reports Server (NTRS) 20140017285: Assuring Ground-Based Detect and Avoid for UAS... One of the goals of the Marginal Ice Zones Observations and Processes Experiment (MIZOPEX) NASA Earth science mission was to show the operational... nasa technical reports server https://ntrs.nasa.gov/citations/19810012970 Performance storage, safety and disposal of Li/SO2 cells - NASA Technical Reports Server (NTRS) Cell performance characteristics after storage at room temperature and 71 C as well as some cell failure modes are evaluated. The performance of cells at low... nasa technical reports server https://ntrs.nasa.gov/search.jsp?R=19970009949 Stages to Saturn - NASA Technical Reports Server (NTRS) Part one of this report is intended to bring back into focus some of the facts, circumstances, and background of space exploration. A recapitulation of the... nasa technical reports server stages saturn ntrs https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890010823.pdf Free-piston Stirling technology for space power - NASA Technical Reports Server (NTRS) An overview is presented of the NASA Lewis Research Center free-piston Stirling engine activities directed toward space power. This work is being carried out... nasa technical reports server for space https://ntrs.nasa.gov/search.jsp?R=19900000248&hterms=price+penetration&qs=Ntx%3Dmode%2Bmatchall%26Ntk%3DAll%26N%3D0%26No%3D80%26Ntt%3Dprice%2Bpenetration Weld-Bead Shaver - NASA Technical Reports Server (NTRS) Hand-held power tool shaves excess metal from inside circumference of welded duct. Removes excess metal deposited by penetration of tungsten/inert-gas weld or... nasa technical reports server weld bead shaver ntrs https://ntrs.nasa.gov/citations/19930007703 Plasma separation - NASA Technical Reports Server (NTRS) This process employs a thermal plasma for the separation and production of oxygen and metals. It is a continuous process that requires no consumables and... nasa technical reports server plasma separation ntrs https://ntrs.nasa.gov/citations/20040001363 Failure Criteria for FRP Laminates in Plane Stress - NASA Technical Reports Server (NTRS) A new set of six failure criteria for fiber reinforced polymer laminates is described. Derived from Dvorak's fracture mechanics analyses of cracked plies and... nasa technical reports server https://ntrs.nasa.gov/citations/20130009013 Fiber Optics Deliver Real-Time Structural Monitoring - NASA Technical Reports Server (NTRS) To alter the shape of aircraft wings during flight, researchers at Dryden Flight Research Center worked on a fiber optic sensor system with Austin-based 4DSP... nasa technical reports server fiber optics real time structural monitoring https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150015818.pdf Skylon Aerodynamics and SABRE Plumes - NASA Technical Reports Server (NTRS) An independent partial assessment is provided of the technical viability of the Skylon aerospace plane concept, developed by Reaction Engines Limited (REL).... nasa technical reports server skylon aerodynamics sabre plumes https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110022601.pdf Why Atens Enjoy Enhanced Accessibility for Human Space Flight - NASA Technical Reports Server (NTRS) Near-Earth objects can be grouped into multiple orbit classifications, among them being the Aten group, whose members have orbits crossing Earth's with... nasa technical reports server https://ntrs.nasa.gov/citations/19960022539 Satellite-enhanced personal communications experiments - NASA Technical Reports Server (NTRS) As an initial step in exploring the opportunities afforded by the merging of satellite and terrestrial networks, Bellcore and JPL conducted several experiments... nasa technical reports server satellite enhanced personal communications https://ntrs.nasa.gov/citations/19850024395 The evolution of complex and higher organisms - NASA Technical Reports Server (NTRS) The evolution of Phanerozoic life has probably been influenced by extraterrestrial events and properties of the Earth-Moon system that have not, until now,... nasa technical reports server the evolution https://ntrs.nasa.gov/citations/19680018720 Chronological Catalog of Reported Lunar Events - NASA Technical Reports Server (NTRS) Chronological catalog of reported lunar events or temperature changes on moon recorded between 1540 and 1967. nasa technical reports server lunar events chronological catalog reported https://ntrs.nasa.gov/citations/19810012983 PBI treated polypropylene battery separator - NASA Technical Reports Server (NTRS) A generalized procedure for fabricating the separator is described. Some of the desired properties considered in fabricating the separator material for... nasa technical reports server battery separator pbi treated polypropylene https://ntrs.nasa.gov/search.jsp?R=19870058523 Control of robot manipulator compliance - NASA Technical Reports Server (NTRS) Robotic assembly operations such as mating and fastening of parts are more successful if the robot manipulator compliance can be controlled so that various... nasa technical reports server control robot manipulator compliance https://ntrs.nasa.gov/search?q=%22YUH-61A%22%20AND%20%22Helicopter%22 Search - NASA Technical Reports Server (NTRS) nasa technical reports server search ntrs https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20190031823.pdf Vibro-Acoustic Test Article (VATA) Test Series - NASA Technical Reports Server (NTRS) No abstract available nasa technical reports server test article vibro acoustic vata https://ntrs.nasa.gov/search.jsp?R=19970017828 Turbulence Modeling Validation, Testing, and Development - NASA Technical Reports Server (NTRS) The primary objective of this work is to provide accurate numerical solutions for selected flow fields and to compare and evaluate the performance of selected... nasa technical reports server testing and development turbulence modeling validation https://ntrs.nasa.gov/citations/19930073015 Foliage Plants for Improving Indoor Air Quality - NASA Technical Reports Server (NTRS) NASA's research with foliage houseplants during the past 10 years has produced a new concept in indoor air quality improvement. This new and exciting... improving indoor air quality nasa technical reports server foliage plants https://ntrs.nasa.gov/citations/19820008044 Microchannel spatial light modulator - NASA Technical Reports Server (NTRS) The Microchannel Spatial Light Modulator (MSLM), a versatile, highly sensitive, and optically addressed device being developed for real time optical... nasa technical reports server spatial light modulator microchannel ntrs https://ntrs.nasa.gov/search.jsp?R=20110020655 Prescribed Travel Schedules for Fatigue Management - NASA Technical Reports Server (NTRS) The NASA Fatigue Management Team is developing recommendations for managing fatigue during travel and for shift work operations, as Clinical Practice... nasa technical reports server travel schedules fatigue management prescribed https://ntrs.nasa.gov/citations/19940007682 Fractal dimensions of rampart impact craters on Mars - NASA Technical Reports Server (NTRS) Ejecta blanket morphologies of Martian rampart craters may yield important clues to the atmospheric densities during impact, and the nature of target materials... nasa technical reports server https://ntrs.nasa.gov/citations/19760007463 Auroral effects in the D region of the ionosphere - NASA Technical Reports Server (NTRS) The possible effects are discussed of radiations and corpuscles on relatively short-term changes in the circulation of the atmosphere (the development of... nasa technical reports server https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890010688.pdf Comparison of Soviet and US space food and nutrition programs - NASA Technical Reports Server (NTRS) The Soviet Space Food and Nutrition programs are compared with those of the U.S. The Soviets established the first Space Food programs in 1961, when one of the... nasa technical reports server https://ntrs.nasa.gov/search.jsp?R=19840052789&hterms=Solar+Energy&qs=Ntx%3Dmode%2Bmatchall%26Ntk%3DAll%26N%3D0%26No%3D70%26Ntt%3DSolar%2BEnergy Reflectance of metallic indium for solar energy applications - NASA Technical Reports Server (NTRS) An investigation has been conducted in order to compile quantitative data on the reflective properties of metallic indium. The fabricated samples were of... nasa technical reports server solar energy applications https://ntrs.nasa.gov/citations/20130009025 Pressure-Sensitive Paints Advance Rotorcraft Design Testing - NASA Technical Reports Server (NTRS) The rotors of certain helicopters can spin at speeds as high as 500 revolutions per minute. As the blades slice through the air, they flex, moving into the... nasa technical reports server pressure sensitive design testing

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