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Questions related from Saman Q. Mawlud
I would like to order JASCO V-770 UV-Vis-NIR spectrophotometer, my question is, can we use this instrument for studding absorption spectra or it has capability only for transmittance and...
06 June 2018 8,063 2 View
Is there any relation between NPs size and energy band gap, I mean how the energy band gap vary with the nanoparticle size? please provide your answer with a mathematical relation if there is?
03 March 2018 4,558 26 View
in studying the interference of light through the Michelson interferometer the fringes pattern will appear in circular shape with the dark fringes from the center, my question is why the fringes...
03 March 2018 9,885 4 View
For most of the materials in order to conduct electricity, a material must have some charged particles that can move through the material when an external voltage is applied on it. so can glass...
03 March 2018 335 4 View
The reduction of Au+ particles to Au0 NPs can be discussed by the reduction potential (E0) of redox system elements. my question is, how will you calculate the reduction potential for Au+/Au0 and...
03 March 2018 861 0 View
I am preparing a glass sample from a composition which is in a fine powder form,so, is there any condition for preheating process before melting the composition or in which situation preheating is...
09 September 2015 9,592 0 View
If you have a composition consists of 5 or more different material and different mole fraction ratio, depend of what rule you will choose a suitable melting temperature in order not to evaporate...
01 January 1970 4,138 2 View
when you calculate transition probability, oscillation strength or any other parameter through Judd-Ofelt theory, what kind of physical unit will be used, for example Planck constant, electric...
01 January 1970 4,155 4 View
