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Questions related from Foaad Shakir
In FT-IR spectroscopy measurement for pure PEG8000 and PEG8000/1wt%GO nanocomposite films , why it gets slight shifted in peak location and change the relative intensity of the peaks?
08 February 2019 4,220 5 View
Both the allowed and forbidden indirect transition optical energy gap values for three polymers of PEG and its nanocomposite films with GO: PEG4000, PEG8000 , PEG20000 and PEG/1wt% GO (prepared by...
01 February 2019 394 3 View
Under any temperature and pressure can be prepare a homogeneous solid solution from the Al-Ni-Cr alloy with the observation that the melting point of Al is 660 ° C, Ni ° C is 1453 and Cr is 1907 °...
15 January 2019 7,721 9 View
Does anyone tell me about the constant values of Scherer (K) in eq. G.S=k λ / β cos(θ). Some researchers depend on the value 0.9 ; some 0, 91 ; and some 0.94 ?. Is this difference in opinions...
05 January 2019 2,269 3 View