No description available.

Radiation from extraterrestrial sources is a concern for the safety of passengers and crew in high altitude aircraft. Cosmic radiation and solar particles constantly bombard the atmosphere with energy. Radiation levels from these sources can vary considerably depending on solar activity cycles and energetic particle events such as solar flares. In order to predict the effects of such events the nature of the radiation spectrum must be characterized, and the individual effects of each radiation type understood. The background radiation spectrum is known to good accuracy and prediction of radiation levels due to specific solar events is currently under investigation. This work begins the task of calculating the expected effects upon human tissue from these radiation sources with intervening air and aluminum. Proton and alpha radiation of 3000 MeV/nucleon and less is simulated using a software package called the High Energy Transport Code – Human Exploration and Development in Space (HETC-HEDS), and linear energy transfer to tissue surrogate is tabulated.

Thesis (M.A.)--Guo li zheng zhi da xue. / Cover title. Includes bibliographical references (p. 206-215).

No description available.

This work deals with the subject of global solar oscillations. These oscillations are observed as fluctuations in the diameter of the sun. A diameter is determined by a mathematical solar edge definition at the Santa Catalina Laboratory for Experimental Relativity by Astrometry (SCLERA) instrument. The oscillations have periods ranging from a few minutes to several hours and have amplitudes measured in millionths of a solar radius. These small amplitudes are observable only due to the unique properties of the edge definition. The properties of the observed solar oscillations are determined from the data; their statistical significance and repeatability are then tested. The possibility of using the observed oscillations as a seismic tool for understanding the solar interior and its motions is explored.

No description available.

Thesis (M.A.)--Zhongguo wen hua xue yuan san min zhu yi yan jiu suo. / Includes bibliographical references (p. 99-107).

Thesis (M.A.)--Zheng zhi zuo zhan xue xiao. / Includes bibliographical references (p. 143-148).

Thesis (M.A.)--Guo li zheng zhi da xue. / Cover title. Includes bibliographical references (p. 206-215).

Thesis (M.A.)--University of Wisconsin--Madison, 1968. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.