Sökning: "Bertil Hedenstierna"

Hittade 2 avhandlingar innehållade orden Bertil Hedenstierna.

1. 1. Stockholms skärgård : kulturgeografiska undersökningar i Värmdö gamla skeppslag

   Författare :Bertil Hedenstierna; Stockholms högskola; []
   Nyckelord :;

   Sammanfattning : .... LÄS MER

3. 2. Improved breath alcohol analysis with use of carbon dioxide as the tracer gas

   Författare :Annika Kaisdotter Andersson; Mikael Ekström; Bertil Hök; Göran Hedenstierna; Johannes Lagois; Mälardalens högskola; []
   Nyckelord :elektronik; Electronics;

   Sammanfattning : State-of-the-art breath analysers require a prolonged expiration into a mouthpiece to obtain the accuracy required for evidential testing and screening of the alcohol concentration. This requirement is unsuitable for breath analysers used as alcolock owing to their frequent use and the fact that the majority of users are sober drivers; as well as for breath testing in uncooperative persons. LÄS MER