منابع مشابه
Ear problems in swimmers.
Acute diffuse otitis externa (swimmer's ear), otomycosis, exostoses, traumatic eardrum perforation, middle ear infection, and barotraumas of the inner ear are common problems in swimmers and people engaged in aqua activities. The most common ear problem in swimmers is acute diffuse otitis externa, with Pseudomonas aeruginosa being the most common pathogen. The symptoms are itching, otalgia, oto...
متن کاملMagnetically controlled ferromagnetic swimmers
Microscopic swimming devices hold promise for radically new applications in lab-on-a-chip and microfluidic technology, diagnostics and drug delivery etc. In this paper, we demonstrate the experimental verification of a new class of autonomous ferromagnetic swimming devices, actuated and controlled solely by an oscillating magnetic field. These devices are based on a pair of interacting ferromag...
متن کاملOnychomycosis in Icelandic swimmers.
We investigated visitors to a swimming pool in Reykjavik to determine whether onychomycosis of the toenails is more prevalent in swimmers than in the general population, where the prevalence is believed to be between 3 and 8%. A total of 266 swimmers over the age of 17 years were interviewed and examined. When an onychomycosis was suspected a nail specimen was taken for mycological examination....
متن کاملCardiac risk in swimmers
SPATARO A., Di PAOLO F.M., Di SALVO V., RUGGERI A.E., PARISI A., ALABISO A., VOLTA B. and PIGOZZI F. Cardiac risk in swimmers. Kinesiology, Vol. 2, No. 1, pp. 75-80, 1997. Swimming exercise determines various cardiovascular reflexes and induces complex haemodynamic changes: the increased cardiac output, the occurring tachycardia and the higher mean arterial blood pressure, all result in an augm...
متن کاملDiffusion of asymmetric swimmers.
Particles moving along curved trajectories will diffuse if the curvature fluctuates sufficiently in either magnitude or orientation. We consider particles moving at a constant speed with either a fixed or a Gaussian distributed magnitude of curvature. At small speeds the diffusivity is independent of the speed. At larger particle speeds, the diffusivity depends on the speed through a novel expo...
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ژورنال
عنوان ژورنال: Nature
سال: 1977
ISSN: 0028-0836,1476-4687
DOI: 10.1038/267306a0