نتایج جستجو برای: pyrolytic

تعداد نتایج: 1609  

Journal: :Journal of the Society of Materials Science, Japan 1969

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1981

Journal: :Международный студенческий научный вестник (International Student Scientific Herald) 2018

Journal: :Energies 2022

Fast pyrolysis of five post-consumer plastic waste materials was studied using coupled with gas chromatography/mass spectrometry (Py-GC/MS) technique. Prescription medicine bottles, landfill liners, and one type industrial represented polyolefin-based polymers, whereas packaging material polystyrene, other polyurethane. The noncatalytic catalytic degradation mechanisms all wastes were elucidate...

2005
Guojian Shan

We develop a new 3D wavefield-extrapolation method for a transversely isotropic (TI) medium with a symmetry axis. The wavefield extrapolation is done by an implicit isotropic extrapolation operator with an explicit correction operator. The explicit correction is a 2D convolution operator in the space domain, whose coefficients are estimated by a weighted least-squares method in the Fourier doma...

Journal: :Acta orthopaedica Belgica 2013
Gabor Szalay Christof Meyer Tanja Scheufens Reinhard Schnettler Ralph Christ Iris Schleicher

Rhizarthrosis is the most common degenerative joint disease of the hand, affecting about 10% of the population. We report our results with trapezium replacement using a pyrocarbon spacer. Between January 2005 and April 2010, 70 patients underwent trapeziectomy with interposition of a pyrocarbon spacer. Sixty patients were examined at an average follow-up of 23.6 (5-64) months after the operatio...

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