http://netvouz.com/romanhubi/tag/tracer-gas?feed=rss romanhubi's bookmarks tagged "tracer-gas" on Netvouz http://www.lumasenseinc.com/EN/solutions/applications/clean-technology/automotive/subway-ventilation.html Using the tracer-gas technique, where the ventilation air is "marked" with a detectable tracer, which is not present in the atmosphere, it is possible to detect how well different sections of the platform are ventilated. romanhubi Tue, 24 Apr 2012 14:20:33 GMT