Results 51 to 60 of about 2,603 (137)

Analytical study of interior noise control by fuselage design techniques on high-speed, propeller-driven aircraft [PDF]

open access: yes
The acoustical treatment mass penalties required to achieve an interior noise level of 80 dBA for high speed, fuel efficient propfan-powered aircraft are determined.
Balena, F. J.   +2 more
core   +1 more source

NASA patent abstracts bibliography: A continuing bibliography. Section 1: Abstracts (supplement 40) [PDF]

open access: yes
s are provided for 181 patents and patent applications entered into the NASA scientific and technical information system during the period July 1991 through December 1991.

core   +1 more source

The art of examining and interpreting histologic preparations: a laboratory manual and study guide for histology [PDF]

open access: yes, 2004
2nd ed.Rev. ed. of: Art of examining and interpreting histologic preparations : a student handbook / William J. Krause. Parthenon Pub. Group, c2001.The examination and interpretation of tissue sections seen under the light microscope in a laboratory ...
Krause, William J., II, 1942-
core  

Performance Comparisons and Down Selection of Small Motors for Two-Blade Heliogyro Solar Sail 6U CubeSat [PDF]

open access: yes
This report compiles a review of 130 commercial small scale motors (piezoelectric and electric motors) and almost 20 researched-type small scale piezoelectricmotors for potential use in a 2 blades Heliogyro Solar Sail 6U CubeSat.
Bryant, Robert G.   +1 more
core   +1 more source

Acute Lower Extremity Fracture Management in Chronic Spinal Cord Injury: 2022 Delphi Consensus Recommendations. [PDF]

open access: yesJB JS Open Access, 2022
Carbone LD   +18 more
europepmc   +1 more source

LDEF: A bibliography with abstracts [PDF]

open access: yes
The Long Duration Exposure Facility (LDEF) was a free-flying cylindrical structure that housed self-contained experiments in trays mounted on the exterior of the structure.
Gouger, H. Garland
core   +1 more source

Design Rules of Bidirectional Smart Sensor Coating for Condition Monitoring of Bearings. [PDF]

open access: yesPolymers (Basel), 2023
Nguyen VC   +6 more
europepmc   +1 more source

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