Results 41 to 50 of about 63,263 (157)

Effects and Solutions on the Human Body After Long-Duration Space Flights [PDF]

open access: yes, 2019
During the Cold War, President John F. Kennedy made it a mission for the National Aeronautics and Space Administration (NASA) to accomplish a lunar landing and return to Earth.
Esquivel Patricio, Jose Jaime
core   +1 more source

Bone loss and human adaptation to lunar gravity [PDF]

open access: yes
Long-duration space missions and establishment of permanently manned bases on the Moon and Mars are currently being planned. The weightless environment of space and the low-gravity environments of the Moon and Mars pose an unknown challenge to human ...
Keller, T. S., Strauss, A. M.
core   +1 more source

Perturbative Approach For Non Renormalizable Theories [PDF]

open access: yes, 1995
Renormalization procedure is generalized to be applicable for non renormalizable theories. It is shown that introduction of an extra expansion parameter allows to get rid of divergences and express physical quantities as series of finite number of ...
Gegelia, J.   +3 more
core   +1 more source

Trade Policy and Export Performance in Morocco [PDF]

open access: yes
Morocco’s trade policy is at a cross-roads. Historically, the country has had a very restrictive import regime that generated substantial transfers to domestic producers.
Malouche, Mariem, Walkenhorst, Peter
core   +1 more source

Human safety in the lunar environment [PDF]

open access: yes
Any attempt to establish a continuously staffed base or permanent settlement on the Moon must safely meet the challenges posed by the Moon's surface environment. This environment is drastically different from the Earth's, and radiation and meteoroids are
Lewis, Robert H.
core   +1 more source

Living in Space [PDF]

open access: yes
Operation Liftoff was designed to encourage pupils in the nation's elementary schools to take a greater interest in mathematics and science. Topics addressed include: food, clothing, health, housing, communication, and working.
Andrews, Sheila Briskin   +1 more
core   +1 more source

Observations on lunar gravity simulation [PDF]

open access: yes
Physiological factors in astronaut performance in simulated lunar ...
Robertson, W. G., Wortz, E. C.
core   +1 more source

First Lunar Outpost support study [PDF]

open access: yes
The First Lunar Outpost (FLO) is the first manned step in the accomplishment of the Space Exploration Initiative, the Vice President's directive to NASA on the 20th anniversary of the Apollo moon landing. FLO's broad objectives are the establishment of a
Bartz, Christopher   +2 more
core   +1 more source

Aerospace medicine and biology: A continuing bibliography with indexes (supplement 335) [PDF]

open access: yes
This bibliography lists 143 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during March, 1990.

core   +1 more source

Aerospace medicine and biology: A continuing bibliography with indexes (supplement 352) [PDF]

open access: yes
This bibliography lists 147 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during July 1991.

core   +1 more source

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