Results 81 to 90 of about 8,152 (171)

Aeronautics and space report of the President, 1980 activities [PDF]

open access: yes
The year's achievements in the areas of communication, Earth resources, environment, space sciences, transportation, and space energy are summarized and current and planned activities in these areas at the various departments and agencies of the Federal ...

core   +1 more source

Extraction and Analysis of Phenolic Compounds from Rocket: Development of a Green and Innovative DES-Based Extraction Method

open access: yesMolecules
Eruca sativa Mill. is an annual plant belonging to the Cruciferous family that is characterized by the presence of antioxidant bioactive molecules such as phenolic compounds.
V. Terrigno   +6 more
semanticscholar   +1 more source

Exploration of the solar system [PDF]

open access: yes
A sourcebook of information on the solar system and the technology used for its exploration is presented. An outline of the potential achievements of solar system exploration is given along with a course of action which maximizes the rewards to ...
Grey, J., Henderson, A., Jr.
core   +1 more source

Forward bearing reactor mechanism for Titan 3-E/Centaur D-1T space launch vehicle [PDF]

open access: yes, 1975
System between the Titan/Centaur launch vehicle and its aerodynamic shroud is described. The system provides a precise spring constant and is capable of being inactivated during flight.
Jones, R. A.
core   +1 more source

Comparative evaluation of existing expendable upper stages for space shuttle [PDF]

open access: yes
The use of existing expendable upper stages in the space shuttle during its early years of operation is evaluated. The Burner 2, Scout, Delta, Agena, Transtage, and Centaur were each studied under contract by their respective manufacturers to determine ...
Borsody, J.   +3 more
core   +1 more source

Anti-Heroic Images in Contemporary American Art [PDF]

open access: yes, 2014
This essay examines anti-heroic images in American art. These images, which appropriate and even subvert the heroic, are grouped around four political protest movements that emerged during the 1960s: the civil rights movement, feminism, the environmental
Levin, Gail
core   +1 more source

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