in this study for the first time a new description of compressibility factor is rendered based on the virial expansion. the compressibility factor as a function of m-factor is qualitatively and quantitatively expressed. at first, we present how may the third, fourth and higher order virial coefficients be logically ignored in order to simplify the virial equation. the results show, when the com...

background little is known about the possible influence of demographic and histological risk factors on the survival of patients with esophageal and gastric cancer. objectives based on the available registry and follow-up information, this study compares 1-5 year survival rate of gastric and esophageal cancer. patients and methods through a concurrent (prospective) cohort study, all 366 patient...

this article present the result from a study of two sediment cores collected from theenvironmentally distinct zones of ces. accumulation status of five toxic metals: cadmium (cd), chromium(cr), cobalt (co), copper (cu) and lead (pb) were analyzed. besides texture and chns were determined tounderstand the composition of the sediment. enrichment factor (ef) and anthropogenic factor (af) wereused ...

background: thrombophilia is a main predisposition to thrombosis due to a procoagulant state. several point mutations play key roles in blood-clotting disorders, which are grouped under the term thrombophilia. these thrombophilic mutations are methylenetetrahydrofolate reductase (mthfr, c677t, and a1298c), factor v leiden (g1691a), prothrombin gene mutation (factor ii, g20210a), and plasminogen...

background: considering the increasing number of patients with hemophilia and infrastructure requirements for a comprehensive approach, development of a recombinant factor has become a milestone. the objective of this study was to assess the safety, efficacy and non inferiority of safacto (recombinant factor viii) compared with plasma-derived factor in the treatment of hemophilia a. methods: 10 ...

background: hemophilia b is a bleeding disorder with a recessive x-linked inheritance pattern, in which the infected individuals have low levels of factor ix in their plasma. affected individuals may have bleeding episodes after trauma or spontaneously considering the plasma level of factor ix. in order to prevent these episodes and to control bleeding, they should use coagulation factor concen...

in this paper, an attempt has been made to introduce a new control strategy including plug-in hybrid electric vehicle (phev) and diesel engine generator to control the voltage and frequency of autonomous microgrids. the proposed control strategy has multiple advantages over the recent control methods in microgrids. the proposed method applies the primary and secondary frequency control strategy...

conclusions this study shows that bdnf and ngf expression decreases in diabetic neuropathy. however, this decrease can be reversed through endurance training. these results also indicate that endurance training may have a potential role in compensating for neurotrophin deficiency following diabetic neuropathy. objectives this experimental study was designed and carried out at the tarbiat modare...

background one of the main challenges in skin flap surgery is tissue ischemia and following necrosis. the present study compares the effects of fibroblast growth factors 1 and 2 on increasing cutaneous vasculature, improving ischemia, and preventing distal necrosis in ischemic skin flaps in rat model. methods thirty rats were allocated into 3 groups (n=10) and 2×8 cm dorsal random-pattern skin ...