Robert Frantisek Holub

3 Questions 35 Answers 0 Followers

Questions related from Robert Frantisek Holub

How do you explain that the gold nanoparticles are penetrating through 100s m of rock and soil and getting stuck to surfaces?

Van der Waals forces are much stronger than any inertial forces that could make the gold (or any other metal) nanoparticles to become "airborne" in the geogas flow (about cm/day). What makes these...

16 October 2017 1,163 2 View

Do you measure the size distribution of the dusts (say from 3 nm to >10u?

The low end of the distributions are ultrafines - yet according to aerosol textbooks such particles are not considered dust but accumulation mode.

05 October 2017 9,663 10 View

Are you looking at the possibility of nucleation on ions generated by alpha decays?

We pursued this possibility and found that there are other necessary conditions, including Rn concentrations ~ kBq/m3, SO2 at 10s of ppm, to observe nucleation.

01 August 2017 2,818 0 View