Results 31 to 40 of about 1,938,416 (191)
The Effects of Space Radiation and Microgravity on Ocular Structures
Türk Oftalmoloji Dergisi, 2022 Long-term exposure to microgravity and space radiation leads to physiological and pathological changes in human biology. Pathological neuro-ocular changes are collected under the name spaceflight-associated neuro-ocular syndrome.
Bahadır Özelbaykal +2 more
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Rehabilitation assisted by Space technology—A SAHC approach in immobilized patients—A case of stroke
Frontiers in Physiology, 2023 Introduction: The idea behind the presentation of this case relates to utilizing space technology in earth applications with mutual benefit for both patients confined to bed and astronauts.
Chrysoula Kourtidou-Papadeli +15 more
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Frontiers in Physiology, 2020 PurposeLong stays in space require countermeasures for the degrading effects of weightlessness on the human body, and artificial gravity (AG) has been proposed as an integrated countermeasure. The aim of this study was to assess the cardiorespiratory and
Andreas Kramer +6 more
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Estimation of specific gravity with penetration and penetration index parameters by artificial neural network [PDF]
, 2017 Specific Gravity of the bitumen changes according to the ambient temperature. Different specific gravity values can be calculated at different temperature. Estimating models like Artificial Neural Network - ANN could be very useful to obtain the specific
Erişkin, Ekinhan +11 more
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Stability of a Rotating Asteroid Housing a Space Station
Frontiers in Astronomy and Space Sciences, 2019 Today there are numerous studies on asteroid mining. They elaborate on selecting the right objects, prospecting missions, potential asteroid redirection, and the mining process itself.
Thomas I. Maindl +2 more
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Process Intensification in Artificial Gravity [PDF]
Industrial & Engineering Chemistry Research, 2005 Powerful superconducting magnets constitute adequate proxies for generating artificial gravity environments in earthbound experimentations. The application of microgravity or macrogravity conditions could be interesting for the pharmaceutical and medical domains for discovering and identifying new drugs and their actions.
Mugurel C. Munteanu +2 more
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Bertrand’s theorem and the double copy of relativistic field theories
Journal of High Energy PhysicsWhich relativistic field theories give rise to Kepler dynamics in the two-body problem? We consider a class of Hamiltonians that is the unique relativistic extension of the Kepler problem preserving its so(4) algebra, and have orbits related through time
Dijs de Neeling +3 more
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Quantum Gravity: Motivations and Alternatives [PDF]
, 2009 The mutual conceptual incompatibility between General Relativity and Quantum Mechanics / Quantum Field Theory is generally seen as the most essential motivation for the development of a theory of Quantum Gravity.
Hedrich, Reiner
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Royal Society Open ScienceLong-lasting exposure to low gravity, such as in lunar settlements planned by the ongoing Artemis Program, elicits muscle hypotrophy, bone demineralization, cardio-respiratory and neuro-control deconditioning, against which optimal countermeasures are ...
Alberto E. Minetti +3 more
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Centrifugally Obtained Artificial Gravity [PDF]
, 1969 Centrifugally obtained artificial gravity effects on space station crew ...
Hoffman, D. B., Mc Gaughy, R. E.
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