Results 71 to 80 of about 930,497 (337)
Joint US/USSR study: Comparison of effects of horizontal and head-down bed rest [PDF]
An account is given of the results of the first joint U.S./U.S.S.R. bed rest study. The study was accomplished in two parts: A soviet part (May to June 1979) and an American part (July to August 1979).
Grigoriev, Anatoli I., Sandler, Harold
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Advanced Engineering Materials, EarlyView.Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach +8 more
wiley +1 more source
Prevention of bone mineral changes induced by bed rest: Modification by static compression simulating weight bearing, combined supplementation of oral calcium and phosphate, calcitonin injections, oscillating compression, the oral diophosphonatedisodium etidronate, and lower body negative pressure [PDF]
The phenomenon of calcium loss during bed rest was found to be analogous to the loss of bone material which occurs in the hypogravic environment of space flight. Ways of preventing this occurrence are investigated.
Donaldson, C. L. +9 more
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Annales Kinesiologiae, 2013 A growing body of scientific evidence indicates that physical activity beneficially influences cognitive functioning. Less thoroughly investigated are the cognitive outcomes of reduced physical activity levels.
Petra Dolenc, Mojca Petrič
doaj +2 more sources
Frontiers in Physiology, 2018 Hypoxia and confinement have both been shown to influence emotional state. It is envisaged that the inhabitants of future planetary habitats will be exposed to concomitant confinement, reduced gravity and hypoxia. We examined the independent and combined
Nektarios A. M. Stavrou +6 more
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Advanced Engineering Materials, EarlyView.Temporal power modulation increases weld depth in high‐power laser beam welding of dissimilar round bars by nearly 20% compared to same average continuously welded welding power. The mechanism of action also applies to sheet welding and depends on the inertia of keyhole depth for the modulated laser beam power.
Jan Grajczak +7 more
wiley +1 more source
Psychological effects of acute physical inactivty during microgravitiy simulated by bed rest [PDF]
Psihološka Obzorja, 2009 Long-duration weightlessness simulated by bed rest represents an important model to study the consequences of physical inactivity and sedentarism on the human body.
Petra Dolenc +3 more
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Advanced Engineering Materials, EarlyView.Incorporating nanosized silver into titanium for antimicrobial materials exploits the metastable miscibility gap between silver and titanium. Silver nanoparticles are synthesized via pulsed laser ablation in liquid. Silver addition refines the microstructure, increases hardness by 30%, and reduces Staphylococcus capitis microbial adhesion by 70%, with ...
Hamed Shokri +4 more
wiley +1 more source
Effect of long-term hypokinesia on the electrolytic composition of the blood in patients with osteoarticular tuberculosis [PDF]
Seventy-six patients with osteoarticular tuberculosis were divided into two groups, one of which was required to maintain strict bed rest and the other of which was allowed unrestricted motor activity.
Zakutaeva, V. P.
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Effects of prolonged head-down bed rest on working memory
Neuropsychiatric Disease and Treatment, 2015 Qing Liu,1,2 Renlai Zhou,1–4 Xin Zhao,5 Tian Po S Oei6 1Beijing Key Lab of Applied Experimental Psychology, School of Psychology, 2Research Center of Emotion Regulation, 3State Key Laboratory of Cognitive Neuroscience and Learning, International ...
Liu Q, Zhou R, Zhao X, Oei TPS
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