Yunfeng Chen

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BACKGROUND The biomechanical characteristics of midshaft clavicular fractures treated with titanium elastic nail (TEN) is unclear. This study aimed to present a biomechanical finite element analysis of biomechanical characteristics involved in TEN fixation and reconstruction plate fixation for midshaft clavicular fractures. METHODS Finite element models(More)
BACKGROUND The purpose of this study was to evaluate the biomechanical advantages of medial support screws (MSSs) in the locking proximal humeral plate for treating proximal humerus fractures. METHODS Thirty synthetic left humeri were randomly divided into 3 subgroups to establish two-part surgical neck fracture models of proximal humerus. All fractures(More)
How cells sense their mechanical environment and transduce forces into biochemical signals is a crucial yet unresolved question in mechanobiology. Platelets use receptor glycoprotein Ib (GPIb), specifically its α subunit (GPIbα), to signal as they tether and translocate on von Willebrand factor (VWF) of injured arterial surfaces against blood flow. Force(More)
The non-toxic and wide bandgap material TiO2 is explored as an n-type buffer layer on p-type Cu(In,Ga)Se2 (CIGS) absorber layer for thin film solar cells. The amorphous TiO2 thin film deposited by atomic layer deposition process at low temperatures shows conformal coverage on the CIGS absorber layer. Solar cells from non-vacuum deposited CIGS absorbers with(More)
The evaluation model of the direct economic loss induced by tropical cyclones make landfall over China is discussed. With the observations of tropical cyclones and the socio-economic statistical data during the period from 2004 to 2008, three elements-- the disaster causes, the bearing capacity and the prevention capacity are taken into account to the model(More)
In this paper, the integrated method is used to calculate the synthesis index of economic losses caused by meteorological disasters and the clustering is adopted to grade the meteorological disasters' losses and also analyze the trend in recent 20 years, based on the data of national natural disasters and damages from 1989 to 2008. The results show that(More)
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