نتایج جستجو برای: amorphous phase
تعداد نتایج: 621232 فیلتر نتایج به سال:
monometallic and bimetallic ni and co catalytic nanoparticles supported on titanium dioxide (rutile phase) substrate were prepared by wet impregnation method. these nanoparicles were used as catalysts for synthesis of multiwalled carbon nanotubes (mwcnts) from acetylene decomposition at 700°c by the catalytic chemical vapor deposition (ccvd) technique. the nanomaterials (catalyst and cnts) were...
this new method which is worked out in isfahan university of technology, makes it possible to analyze the phases quantitatively in minerals and powdered materials by x ray diffraction and without any reference material. to identify n unknown phases, n different combinations of phases, from fine and coarse fractions, or etc., must be obtained. amorphous phases should not exist. intensity ratios ...
The hybrid nanoparticles of amorphous calcium phosphate (ACP)-catalase (CAT) developed by in situ biomineralization can create a stable semi-aqueous nanoscale environment for entrapped proteins against thermal denaturation. This finding indicates the importance of an amorphous mineral phase in the preservation of organic macromolecules.
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