27,802 research outputs found
I’d like to complain about this software…
Software is often frustrating. You need only walk past a group of users to hear exclamations of annoyance as the users’ expectations and the software interface clash head on
Dual cycle aircraft turbine engine
A method and apparatus are presented for improving operating efficiency over broad ranges of flight conditions and for reducing jet engine noise output in takeoff and landing by controlling the airflow entering and exiting the engines. A turbojet engine apparatus is described which operates efficiently at both subsonic and supersonic speeds and a method is described which enables a turbofan with an associated satellite turbojet or turbofan to operate more efficiently at both subsonic and supersonic speeds. In both cases, takeoff and landing noise is reduced substantially. The apparatus consists essentially of arranging for two separate portions of an engine to act upon one airstream or, alternately, to operate on independent airstreams
Designing Interfaces to Support Collaboration in Information Retrieval
Information retrieval systems should acknowledge the existence of collaboration in the search process. Collaboration can help users to be more effective in both learning systems and in using them. We consider some issues of viewing interfaces to information retrieval systems as collaborative notations and how to build systems that more actively support collaboration. We describe a system that embodies just one kind of explicit support; a graphical representation of the search process that can be manipulated and discussed by the users. By acknowledging the importance of other people in the search process, we can develop systems that not only improve help-giving by people but which can lead to a more robust search activity, more able to cope with, and indeed exploit, the failures of any intelligent agents used
Bibliography on aerodynamics of airframe/engine integration of high-speed turbine-powered aircraft, volume 1
This bibliography was developed as a first step in the preparation of a monograph on the subject of the aerodynamics of airframe/engine integration of high speed turbine powered aircraft. It lists 1535 unclassified documents published mainly in the period from 1955 to 1980. Primary emphasis was devoted to aerodynamic problems and interferences encountered in the integration process; however, extensive coverage also was given to the characteristics and problems of the isolated propulsion system elements. A detailed topic breakdown structure is used. The primary contents of the individual documents are indicated by the combination of the document's title and its location within the framework of the bibliography
Mandatory and affordable health insurance
This paper asserts that America's health care system is broken and cannot be repaired with timid half-measures. It suggests that we need both universal coverage and a more efficient delivery system and that these are not competing objectives: Each is necessary to make the other possible. It further states that if we do not make health care more affordable and our delivery system more efficient and sustainable, a majority of Americans will be uninsured in short order. And the persistence of millions of uninsured impairs the efficiency we need to make health care and insurance affordable for all. Thus, contrary to conventional wisdom, this paper asserts that both universal coverage and delivery system reform must be pursued simultaneously.Insurance, Health ; Medical care
Aerodynamics of airframe-engine integration of supersonic aircraft
Aerodynamics of airframe-engine integration of supersonic aircraf
Southern Chesapeake Bay water color and circulation analysis
There are no author-identified significant results in this report
Baylor Health Care System: High-Performance Integrated Health Care
Describes the organization's implementation of a quality infrastructure and its strategies, interventions to improve clinical preventive services, training, and adoption of electronic health records and other quality innovations. Outlines lessons learned
Hill Physicians Medical Group: Independent Physicians Working to Improve Quality and Reduce Costs
Describes how a group of independent physicians improved clinical outcomes through an innovative incentive system -- combining pay-for-performance and fee-for-service -- implemented with quality improvement processes. Discusses lessons learned
Water color and circulation southern Chesapeake Bay, part 1
Satellite imagery from two EREP passes over the Rappahannock Estuary of the Chesapeake region is analyzed to chart colored water types, to delineate color boundaries and define circulatory patterns. Surface observations from boats and helicopters concurrent with Skylab overpass define the distributions of suspended sediment, transparency, temperature, salinity, phytoplankton, color of suspended material and optical ratio. Important features recorded by the imagery are a large-scale turbidity maximum and massive red tide blooms. Water movement is revealed by small-scale mixing patterns and tidal plumes of apparent sediment-laden water. The color patterns broadly reflect the bottom topography and the seaward gradient of suspended material between the river and the bay. Analyses of red, green and natural color photos by microdensitometry demonstrate the utility of charting water color types of potential use for managing estuarine water quality. The Skylab imagery is superior to aerial photography and surface observations for charting water color
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