Hadi Alqahtani

5 Questions 5 Answers 0 Followers

Questions related from Hadi Alqahtani

How to claculate the heat produced by gamma radiation?

When we radiate a solid film with gamma radiation, the film will experience a temperature rise. But we don't have access to the film to measure the change in temperature. How to calculate the...

15 August 2020 9,779 5 View

What is the average pressure that can be used for airbrushing?

I need to know the average pressure so that I can decide what model should I buy.

23 June 2020 4,627 0 View

What is the easiest method to characterize Porosity?

What is the easiest method for characterizing large number of samples to investigate their porosity? The thickness of the samples is 300 nm. Please do not mention SEM, STM or AFM.

07 February 2020 9,967 3 View

Can the surface tension of a droplet above a hydrophobic surface be calculated only by knowing the contact angle with the surface?

14 February 2015 2,949 6 View

How can we test a sensor for covid19 without being subjected to infection

I'm currently trying to develop a biosensor to detect covid19 infection. However, I don't want to be exposed to the real virus for a real practical test. Is there any way, to simulate viruses so...

01 January 1970 5,240 4 View