On or around 21 Dec 1999 there was a message from 'Frank' asking for the =
above.
Recommend you look at 'Vibroacoustic disease: the need for a new =
attitude towards noise.' by Mariana Alves-Pereira & Nuno Castelo Branco, =
CITIDEP 2000. on the net.
They found suicidal tendencies and a lot more serious stuff besides.
This is a major issue for all industrialised countries; my own research =
suggests that the estimated 100,000 per annum deaths from DVT syndrome =
in airline passegers is linked to prolonged exposure to infrasound =
generated by jet engines (25-30 Hz exhaust resonance transformed into a =
passenger compartment resonant air pressure oscillation at around 6 Hz).
Regards,
David Collier
On or around =
21 Dec 1999=20
there was a message from 'Frank' asking for the above.
Recommend you look at 'Vibroacoustic =
disease: the=20
need for a new attitude towards noise.' by Mariana Alves-Pereira & =
Nuno=20
Castelo Branco, CITIDEP 2000. on the net.
They found suicidal tendencies and a =
lot more=20
serious stuff besides.
This is a major issue for all =
industrialised=20
countries; my own research suggests that the estimated 100,000 per =
annum=20
deaths from DVT syndrome in airline passegers is linked to prolonged =
exposure to=20
infrasound generated by jet engines (25-30 Hz exhaust resonance =
transformed into=20
a passenger compartment resonant air pressure oscillation at around =
6=20
Hz).
Regards,
David =
Collier