DESCRIPTORS: *Tendons, *Reflexes, *Accelera tion tolerance, Impact shock, Tests, Deceler ation, Man, Test methods, Stress (Physiology). Identifiers: Hyperreflexia. Alterations of the deep tendon reflexes have been frequently observed in humans after impact. A series of experiments w s conducted to study reflexes in humans undergoing a 15 seat G impact, with a control group undergoing a 5 seat G impact. Using tandard clinical examination and notation techniques, no quantitative differences were noted between the experimental and control groups. In the opinion of the medical examiners, however, a slight increase in 'briskness' was found in the experimental group in contrast with the control group. Development of a reflex sensor suitable for sled testing is necessary for further work in this investigation. (Author).
"DESCRIPTORS: *Tendons, *Reflexes, *Accelera tion tolerance, Impact shock, Tests, Deceler ation, Man, Test methods, Stress (Physiology). Identifiers: Hyperreflexia. Alterations of the deep tendon reflexes have been frequently observed in humans after impact. A series of experiments w s conducted to study reflexes in humans undergoing a 15 seat G impact, with a control group undergoing a 5 seat G impact. Using tandard clinical examination and notation techniques, no quantitative differences were noted between the experimental and control groups. In the opinion of the medical examiners, however, a slight increase in 'briskness' was found in the experimental group in contrast with the control group. Development of a reflex sensor suitable for sled testing is necessary for further work in this investigation. (Author)."@en
"The use of intermediate and long range rockets and missiles requires that the distance and direction from launch site to target be accurately known. The science of geodesy can help to provide this information. The basic principles of geodesy and geodetic surveying are presented in an elementary form. The formation of geodetic datums is introduced and the necessity of connecting or joining datums is discussed. Methods used to connect independent geodetic systems to a single world reference system are discussed. Particular emphasis is placed on the contribution of the Air Force in developing a World Geodetic System. A chapter on Satellite Geodesy and an appendix on Spherical Harmonics have been added in the present edition. (Author)."@en
"The basic principles of geodesy and geodetic surveying are presented in an elementary form. The formation of geodetic datums is introduced and the necessity of connecting or joining datums is discussed. Methods used to connect independent geodetic systems to a single world reference system are discussed. Particular emphasis is placed on the contribution of the Air Force in developing a World Geodetic System. (Author)."@en
"The basic principles of geodesy are presented in an elementary form. The formation of geodetic datums is introduced and the necessity of connecting or joining datums is discussed. Methods used to connect independent geodetic systems to a single world reference system are discussed, including the role of gravity data. The 1983 edition of this publication contains an expanded discussion of satellite and related technological applications to geodesy and updated description of the World Geodetic System. The basic principles are presented through discussions of various geodetic topics such as: ellipsoids, geoid, horizontal surveying, leveling, geodetic datums and gravity."@en
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AERONAUTICAL CHART AND INFORMATION CENTER ST LOUIS MO.
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