Nabeel A. Bakr

5 Questions 12 Answers 0 Followers

Questions related from Nabeel A. Bakr

What is the range of absorption coefficient of PANi nano fibers dispersed solution?

The UV-Vis absorption coefficient of PANi nano fibers dispersed in water is very low. What are the possible reasons behind this low value?

15 December 2017 3,468 1 View

What are the possible reasons for the absorbance behavior of copper sulphate crystal prepared by solution growth technique?

We have grown CuSO4.5H2O crystals by solution growth technique using different solution concentrations, 0.25M and 0.5M. We have noticed that the absorbance of the 0.5M crystal is less than that of...

13 July 2016 3,922 7 View

How can we explain that the ground state energy of ideal Bose gas is equal to zero?

In dealing with Bose-Einstein statistics, assuming that the ground state energy is zero, it is concluded that the chemical potential of Bose gas system must be negative. How can we explain the...

10 April 2016 8,870 2 View

How can I explain that the residual stress can shift some xrd peaks in one direction, and other peaks in the opposite direction for the same sample?

This is may be due to the need to balance stress at grain boundaries, and satisfy constraints on the strain tensor (for example a tensile stress along one direction must be balanced by a...

29 August 2015 9,199 7 View

What is the difference between sintering and calcination?

This is related to heating the sample to specific temperature.

18 December 2014 7,523 18 View