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Questions related from Abbas Majidi Bidgoli
Hello, As you can see in the figure, restrictors are on the way of carrier gas or some time sample gas. Why do we use the restrictors in gas chromatograph systems? what is the role of this part?
09 September 2018 10,124 3 View
Hello I want to add a time dependence external force such as a pulse into my model in comsol. How do I add this? in general, How can I add a time dependence variable or dipole(for example) in a...
08 August 2016 728 2 View
Hello I am use two "Pressure Acoustics, Transient" physics (actd & actd2) and two "Time Dependent" study (sol1(for actd) & sol2(for actd2)) and in 3D I have two regions with different...
08 August 2016 7,628 6 View
Hello for a diatomic gas in thermodynamics equilibrium, what is the vibrational level n probability? is below equation correct? P(vibration level n probability)=(1/Total Partition...
07 July 2016 7,297 2 View
Hello we know a nonlinear molecule has 3N degree of freedoms. 3 are translational, 3 are rotational and 3N-6 are vibrational degree of freedoms. but The molecule has another degree of freedoms to...
07 July 2016 7,702 5 View
Hello I need energy values of electronic levels in CH4 molecule from ground state to top (at least first 5 levels). I need only this values and how to determinating is not important. Thank you.
07 July 2016 9,540 2 View
Hello In low-pressure glow discharges, two regions which are close to electrodes have relatively stronge electrical field and potential drops occur in this two regions. What is the physical reason...
05 May 2016 2,623 7 View
Hello in some literatures pressure unit is "µ" and I want to convert it to Pa or mm-Hg. How can I do it? Thank you
05 May 2016 4,736 1 View
Hello Assume we have a Stern Gerlach setup which its field is directed toward z direction. A ray of Ag atoms(N atoms) comes out of oven and pass through of our setup. when atoms feel magnetic...
04 April 2016 2,984 3 View
Hi I think common quantum measurements are based on electromagnetic interaction and each measurement has at least one EM interaction. Is it true? If we can perform a quantum measurement based on...
07 July 2015 2,696 10 View