نتایج جستجو برای: scuba diving

تعداد نتایج: 5732  

Journal: :Chest 1997
G E Benlifer

1 Bottiger BW, Bach A, Bohrer H, et al. Acute pulmonary embolism: clinical, pathophysiological, diagnostic, and thera¬ peutic aspects. Anaesthesist 1993; 42:55-73 2 Jardin F, Gurdjian F, Desfonds P, et al. Hemodynamic factors influencing arterial hypoxemia in massive pulmonary embolism with circulatory failure. Circulation 1979; 59:909-14 3 Ozier Y, Dubourg O, Farcot JC, et al. Circulatory fail...

2012
Michael A Lang

Coral reefs are, per unit area, the most productive and diverse ecosystems on the planet. Their complexity and, in some places, fragility provide many complications to scientists conducting high quality research in these environments. Scientific diving has been, for the past six decades, a highly cost-effective and productive tool in coral reef research. Using high impact outputs and based main...

Journal: :Natural and engineering sciences 2022

A group of schools striped eel catfish Plotosus lineatus (Thunberg, 1787) was photographed during scuba diving at depths 10 m and 17 on 11 July 2022 24 September from Kızkalesi Boğsak regions in the Mersin Bay Mediterranean coast Turkey. With present study, P. is extending its distribution to western coastal waters after first occurrence 2016 İskenderun Turkish Marine waters.

2002
Lee H. Somers

There has been an increasing demand on the part of scuba diving instructors and other diving authorities for a re-evaluation of emergency ascent procedures. Many diving medical authorities challenge the inclusion of open water free ascent or emergency controlled swimming ascent training in basic and advanced sport diving courses. In essence, they feel that-the potential risk of lung barotrauma ...

2017
Darcy Bradley Yannis P. Papastamatiou Jennifer E. Caselle

Despite rapid growth in the marine tourism sector, the impacts of recreation on the marine environment are generally not well understood. Most existing studies of marine recreation ecology have focused on behavioural changes resulting from direct interactions between humans and wildlife including provisioning. However, non-consumptive, non-provisioning human im pacts may also result in persiste...

Journal: :Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc 2006
M S Koehle A N H Hodges B M Lynn M F Rachich D C McKenzie

The purpose of this study was to assess the contribution of SCUBA to the pulmonary effects of diving to 4.5 meters depth in healthy subjects using a randomized crossover control condition. Ten healthy divers performed two 60-minute 'dives' using SCUBA in a swimming pool. The non-immersed 1 ATA SCUBA control exposure took place at ambient pressure in the laboratory. Thirty minutes prior to, and ...

2015
Ming Yang Otto F. Barak Zeljko Dujic Dennis Madden Veena M. Bhopale Jasjeet Bhullar Stephen R. Thom

Yang M, Barak OF, Dujic Z, Madden D, Bhopale VM, Bhullar J, Thom SR. Ascorbic acid supplementation diminishes microparticle elevations and neutrophil activation following SCUBA diving. Am J Physiol Regul Integr Comp Physiol 309: R338–R344, 2015. First published July 1, 2015; doi:10.1152/ajpregu.00155.2015.—Predicated on evidence that diving-related microparticle generation is an oxidative stres...

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