Yehia H. Dawood

3 Questions 11 Answers 0 Followers

Questions related from Yehia H. Dawood

Radon Gas is heavier than air. Why do some people reporting Rn leaking upward in the soil profile?

Rn gas is heavier than air, that is why people tend to monitor its level in the basement of their houses. Is it possible for Rn to leak upwards through the soil components?

01 January 2018 5,322 7 View

Do you have information about the mechanism of forming magnetite nano-particles in the human brain?

Although the exact role of magnetite nano-particles for human brain functions remains to be determined in details, it is widely believed to play an important role in the nervous system. Do you...

12 December 2017 6,338 1 View

The Enrichment factor (EF) in some papers is written as: EF=(Cn/Cref)/(Bn/Bref), while in others as: EF=(Cn/Bn)soil/(Cref/Bref)crust.Which is correct?

The behavior of a given element in soil (i.e., the determination of its accumulation or leaching) may be established by comparing concentrations of a trace element with a reference element. The...

01 January 1970 8,967 5 View