نتایج جستجو برای: superficial heat
تعداد نتایج: 229132 فیلتر نتایج به سال:
An improved model for the production of polypropylene in a gas phase fluidized bed reactor was developed. Comparative simulation studies were carried out using the well-mixed, constant bubble size and the improved models. The improved model showed different prediction characteristics of polymer production rate as well as heat and mass transfer behavior as compared to other published models. All...
The purpose of this study was to histologically and mechanically investigate the in vivo bone-bonding ability of anodically oxidized titanium (AO Ti) with an anatase crystal layer on its surface. AO Ti plates, anodically oxidized at 155 V in 1 M H2SO4, were implanted into the proximal metaphyses of mature rabbit tibiae for 4, 8, 16, and 24 weeks and investigated by light microscopy, scanning el...
The Closure Fast™ Endovenous Radiofrequency Ablation Catheter is the latest version of a minimally invasive system for the treatment of patients with superficial venous disease. The Closure Fast™ catheter heats the vein wall to 120°C, causing denaturation of the collagen of the vein wall and contraction of the vessel such that no blood can flow through it. Nearly one million systems have been s...
Burn injury also known as combustion injury is an impairment of the tissue, which is caused by extreme heat, electricity, chemicals, friction or radiation. Concerning children, in Hungary and worldwide the most affected age group is below the age of 5 years.1 The most common cause of burn injury in children is scald from hot water. The severity of burns is influenced by several factors. The mec...
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