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The Use of Preventive Services by the Elderly

The Use of Preventive Services by the Elderly

Date: January 1989
Creator: United States. Congress. Office of Technology Assessment.
Description: This paper reviews both new and previously published data on the proportions of elderly currently receiving a variety of preventive health services; we examine factors associated with whether the elderly receive these services; and we analyze the likely implications for Medicare if preventive health services were offered as covered benefits.
Contributing Partner: UNT Libraries Government Documents Department
The use of pure twist for drag reduction on arrow wings with subsonic leading edges

The use of pure twist for drag reduction on arrow wings with subsonic leading edges

Date: August 1, 1957
Creator: Grant, Frederick C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Use of Remanufactured Parts in the Federal Vehicle Fleet Is Based On a Variety of Factors

Use of Remanufactured Parts in the Federal Vehicle Fleet Is Based On a Variety of Factors

Date: March 7, 2013
Creator: United States. Government Accountability Office.
Description: Correspondence issued by the Government Accountability Office with an abstract that begins "The 14 agencies GAO reviewed have vehicle repair processes that generally allow field office staff, such as the vehicle operator or local fleet manager, to make vehicle maintenance and repair decisions. These processes neither mandate nor prohibit the use of remanufactured parts. The agencies we reviewed generally do not keep data on the extent to which remanufactured parts are used. Agency officials from the 14 agencies in our review said that they use remanufactured parts when warranted, and we observed the presence of remanufactured parts in the stock rooms during our visits to repair facilities. Deciding when to use remanufactured parts, according to agency officials and related guidance, depends on a number of factors including the cost, availability, and reliability of the part. According to agency officials, these factors are considered on a case-by-case basis for each repair to yield the best value for the federal government."
Contributing Partner: UNT Libraries Government Documents Department
The Use of Seclusion and Restraint in Public Schools: The Legal Issues

The Use of Seclusion and Restraint in Public Schools: The Legal Issues

Date: October 14, 2010
Creator: Jones, Nancy Lee & Feder, Jody
Description: Seclusion and restraint have been used in various situations to deal with violent or noncompliant behavior. Because of congressional interest in the use of seclusion and restraint in schools, including passage of H.R. 4247 and the introduction of S. 2860, 111th Congress, first session, this report focuses on the legal issues concerning the use of these techniques in schools, including their application both to children covered by the Individuals with Disabilities Education Act (IDEA) and to those not covered by IDEA.
Contributing Partner: UNT Libraries Government Documents Department
Use of shadowgraph technique in the analysis of the performance of two supersonic axial-flow compressor rotors operating over a mean radius relative inlet Mach number range of 0.85 to 1.7

Use of shadowgraph technique in the analysis of the performance of two supersonic axial-flow compressor rotors operating over a mean radius relative inlet Mach number range of 0.85 to 1.7

Date: April 4, 1956
Creator: Goldberg, Theodore J & Serrett, James R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Use of shock-trap bleed to improve pressure recovery of fixed-and variable-capture-area internal-contraction inlets; Mach number 2.0 to 3.0

Use of shock-trap bleed to improve pressure recovery of fixed-and variable-capture-area internal-contraction inlets; Mach number 2.0 to 3.0

Date: August 14, 1958
Creator: Luidens, Roger W & Flaherty, Richard J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Use of short flat vanes for producing efficient wide-angle two-dimensional subsonic diffusers

Use of short flat vanes for producing efficient wide-angle two-dimensional subsonic diffusers

Date: September 1, 1958
Creator: Cochran, D L & Kline, S J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The use of slots for increasing the lift of airplane wings

The use of slots for increasing the lift of airplane wings

Date: August 1, 1931
Creator: Haus, FR
Description: This report discusses in detail the results obtained with devices for preventing the separation of the boundary layer. In order to give an idea of the order of magnitude of the positive and negative pressures involved, we made a diagram of them, as measured at 15 degrees angle of attack on the Gottigen profile 387. The pressure scale is graduated in terms of the dynamic pressure q, which enables the evaluation of the positive and negative pressures at all velocities.
Contributing Partner: UNT Libraries Government Documents Department
Use of source distributions for evaluating theoretical aerodynamics of thin finite wings at supersonic speeds

Use of source distributions for evaluating theoretical aerodynamics of thin finite wings at supersonic speeds

Date: January 1, 1950
Creator: Evvard, John C
Description: A series of publications on the source-distribution methods for evaluating the aerodynamics of thin wings at supersonic speeds is summarized, extended, and unified. Included in the first part are the deviations of: (a) the linearized partial-differential equation for unsteady flow at a substantially constant Mach number. b) The source-distribution solution for the perturbation-velocity potential that satisfies the boundary conditions of tangential flow at the surface and in the plane of the wing; and (c) the integral equation for determining the strength and the location of sources to describe the interaction effects (as represented by upwash) of the bottom and top wing surfaces through the region between the finite wing boundary and the foremost Mach wave. The second part deals with steady-state thin-wing problems. The third part of the report approximates the integral equation for unsteady upwash and includes a solution of approximate equation. Expressions are then derived to evaluate the load distributions for time-dependent finite-wing motions.
Contributing Partner: UNT Libraries Government Documents Department
The use of source-sink and doublet distributions extended to the solution of boundary-value problems in supersonic flow

The use of source-sink and doublet distributions extended to the solution of boundary-value problems in supersonic flow

Date: January 1, 1948
Creator: Heaslet, Max A & Lomax, Harvard
Description: A direct analogy is established between the use of source-sink and doublet distributions in the solution of specific boundary-value problems in subsonic wing theory and the corresponding problems in supersonic theory. The correct concept of the "finite part" of an integral is introduced and used in the calculation of the improper integrals associated with supersonic doublet distributions. The general equations developed are shown to include several previously published results and particular examples are given for the loading on rolling and pitching triangular wings with supersonic leading edges.
Contributing Partner: UNT Libraries Government Documents Department