نتایج جستجو برای: takeoff
تعداد نتایج: 963 فیلتر نتایج به سال:
A 57-year-old woman with a diagnosis of idiopathic recurrent pancreatitis and progressive epigastric pain radiating to her back was admitted to the hospital. Abdominal computed tomography (CT) showed a suspicious 3-cm pancreatic head mass involving the superior mesenteric artery (SMA) and vein. Endoscopic ultrasound (EUS) showed the suspicious pancreatic head mass with bile duct and main pancre...
This paper presents an analysis of the role of US National Nanotechnology Initiative’s Federal funding in the takeoff of nanobiotechnology and nanomedicine. Our comparative analysis of leading nanobiotechnology and nanomedicine scientists funded by the National Cancer Institute highlights the programmatic efforts of the NCI’s Alliance for Nanotechnology in Cancer beginning in 2005. We use a dat...
Locomotor performance is a crucial determinant of organismal fitness but is often impaired in certain circumstances, such as increased mass (loading) resulting from feeding or gravidity. Although the effects of loading have been studied extensively for striding locomotion, its effects on jumping are poorly understood. Jumping is a mode of locomotion that is widely used across animal taxa. It de...
This study examined whether an extrinsic motivator, such as an overhead goal, during a plyometric jump may alter movement biomechanics. Our purpose was to examine the effects of an overhead goal on vertical jump height and lower-extremity biomechanics during a drop vertical jump and to compare the effects on female (N = 18) versus male (N = 17) athletes. Drop vertical jump was performed both wi...
Pneumatic technologies, such as Circulation Control airfoils, have been experimentally demonstrated to generate very high lift coefficients at low angles of attack. These blown airfoils offer great potential for advanced subsonic transports. Yet, the potential of this particular pneumatic technology is not limited to subsonic aircraft. In fact, Circulation Control has been chosen as an enabling...
Significant reductions in environmental impact and operating costs are achievable when both aircraft configuration and operation are considered simultaneously at the early stages of aircraft design. The challenges with combining these disciplines are that the design space becomes larger, and each design evaluation requires coupled analyses. This paper presents a methodology in which a low-speed...
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