منابع مشابه
Principles of safe laparoscopic entry.
Laparoscopy is now the preferred approach for performing diagnostic procedures and therapeutic interventions in gynaecology. Minimally invasive surgery is less disabling, reduced hospital stay and more cost effective to health care systems, when compared with conventional open operations [1–6]. Although the risk of major complications does not significantly differ between benign gynaecological ...
متن کاملThe Effect of Asymmetric Water Entry on the Hydrodynamic Impact
The effect of the asymmetric water entry over a submerged part of a ship on the hydrodynamic impact is investigated numerically. A wedge body is considered to study and the problem is assumed to be two-dimensional. The Results of symmetric and asymmetric impacts are compared together. The effect is found significant in the numerical simulation. The maximum hydrodynamic pressure at a heel angle ...
متن کاملWater entry of spinning spheres
The complex hydrodynamics of water entry by a spinning sphere are investigated experimentally for low Froude numbers. Standard billiard balls are shot down at the free surface with controlled spin around one horizontal axis. High-speed digital video sequences reveal unique hydrodynamic phenomena which vary with spin rate and impact velocity. As anticipated, the spinning motion induces a lift fo...
متن کاملRisk Analysis and Safe Distances Calculation Considering Atmospheric Parameters Uncertainty
−− This work presents a computational tool, useful in risk assessment of hazardous material releases. It is based on a methodology that takes into account the stochastic uncertainty of atmospheric parameters. This is relevant for calculating risk of hazardous gases, particulate matter or bioaerosols diffusion when an accidental release or continuous emission occurs. This methodology can be appl...
متن کاملSafe access to safe water in low income countries: water fetching in current times.
A substantial portion of the world's population does not have ready access to safe water. Moreover, obtaining water may involve great expense of time and energy for those who have no water sources in or near home. From an historical perspective, with the invention of piped water, fetching water has only recently become largely irrelevant in many locales. In addition, in most instances, wells an...
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ژورنال
عنوان ژورنال: International Journal of Aquatic Research and Education
سال: 2010
ISSN: 1932-9253
DOI: 10.25035/ijare.04.04.02