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  Partner: UNT Libraries Government Documents Department
 Collection: Technical Report Archive and Image Library
The accuracy of the substitute-stringer approach for determining the bending frequencies of multistringer box beams

The accuracy of the substitute-stringer approach for determining the bending frequencies of multistringer box beams

Date: April 1, 1956
Creator: Davenport, William W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An accurate and rapid method for the design of supersonic nozzles

An accurate and rapid method for the design of supersonic nozzles

Date: February 1, 1955
Creator: Beckwith, Ivan E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Accurate calculation of multispar cantilever and semicantilever wings with parallel webs under direct and indirect loading

Accurate calculation of multispar cantilever and semicantilever wings with parallel webs under direct and indirect loading

Date: March 1, 1932
Creator: Sanger, Eugen
Description: In the present report the computation is actually carried through for the case of parallel spars of equal resistance in bending without direct loading, including plotting of the influence lines; for other cases the method of calculation is explained. The development of large size airplanes can be speeded up by accurate methods of calculation such as this.
Contributing Partner: UNT Libraries Government Documents Department
An accurate method of measuring the moments of inertia of airplanes

An accurate method of measuring the moments of inertia of airplanes

Date: October 1, 1930
Creator: Miller, M P
Description: This note contains a description of an improved apparatus and procedure used by the NACA for determining the moments of inertia of airplanes. The method used, based on the pendulum theory, is similar to that previously used, but a recent investigation of its accuracy has resulted in the improvements described herein. The error, when using the new apparatus and procedure, has been found to be of the order of 1 per cent.
Contributing Partner: UNT Libraries Government Documents Department
Achievement of continuous wall curvature in design of two-dimensional symmetrical supersonic nozzles

Achievement of continuous wall curvature in design of two-dimensional symmetrical supersonic nozzles

Date: January 1, 1952
Creator: Evvard, J C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Acid-Base Behavior in Aprotic Organica Solvents

Acid-Base Behavior in Aprotic Organica Solvents

Date: August 1968
Creator: Davis, Marion Maclean
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania

Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania

Date: 1951
Creator: Ash, S. H. (Simon Harry), b. 1889
Description: Report from the U.S. Bureau of Mines discussing the anthracite region of Pennsylvania and the efforts to prevent coal-mine drainage into nearby streams. According to the introduction, "The purpose of this report is not to develop a practicable or feasible method or process of treating acid mine water but rather to present available factual and deduced data that may be useful in showing pH range over which the treatment is to take place and the sludge products most likely to be handled" (p. 2).
Contributing Partner: UNT Libraries Government Documents Department
Acid Processes for the Extraction of Alumina

Acid Processes for the Extraction of Alumina

Date: 1927
Creator: Tilley, George S.; Millar, Russell Ward & Ralston, Oliver Caldwell
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Acoustic analysis of ram-jet buzz

Acoustic analysis of ram-jet buzz

Date: November 1, 1955
Creator: Mirels, Harold
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Acoustic radiation from two-dimensional rectangular cutouts in aerodynamic surfaces

Acoustic radiation from two-dimensional rectangular cutouts in aerodynamic surfaces

Date: August 1, 1955
Creator: Krishnamurty, K
Description: None
Contributing Partner: UNT Libraries Government Documents Department