Not all accidental releases of flammable gases and vapours create explosions; most releases do not find an ignition source and of those that do ignite, most of them generate low or moderate overpressure only (deflagrative combustion).However, when certain conditions are satisfied, deflagration to detonation transition (DDT) can occur followed by st
Parachordoma is an extremely rare soft tissue tumor of unknown lineage.Parachordoma develops most often on the extremities.Only 2 cases have been reported as pelvic parachordoma.A 46-year old Smoking Pipes Egyptian woman with a huge painful pelvic mass was found to have a parachordoma with ectopic pelvic right kidney.There is only one report in the
Abstract Objective Doppler ultrasonography of the common carotid artery is used to infer stroke volume change and a wearable Doppler ultrasound has been designed to improve this workflow.Previously, in a human model of hemorrhage and resuscitation comprising approximately 50,000 cardiac cycles, we found a strong, linear correlation between changing
Abstract Background Healthcare systems are operating under substantial pressures, and often simply cannot provide the standard of care they aspire to within the available resources.Organisations, managers, and individual clinicians make constant adaptations in response to these pressures, which are typically improvised, highly variable and not coor
Today, computer games have overtaken the Hollywood film industry, which Boellstroff believes that it should be called the gaming age.On the other hand, the communities that have emerged in the development of computer game technology in different societies and cultures, as a community, even in Iran, have such an attractive study and knowledge that t