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Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/gaspoz/domains/gas-poz.pl/public_html/lib/smarty/plugins/shared.make_timestamp.php on line 34

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Gaz techniczny Hel

Hel w postaci ciekłej jest używany do chłodzenia tam, gdzie potrzebne są bardzo niskie temperatury, ze względu na jego bardzo niską temperaturę wrzenia. Stosuje się go m.in. do chłodzenia nadprzewodników. 
Jako najlżejszy gaz bezpieczny (niepalny) był stosowany do wypełniania statków powietrznych lżejszych od powietrza, czyli aerostatów (balony, sterowce). Obecnie ze względu na wysokie koszty jego pozyskania, zamiast helu stosuje się w aerostatach najczęściej ogrzane powietrze. 
Ze względu na niską rozpuszczalność w osoczu krwi, używany jest jako składnik mieszanki do oddychania w głębokim nurkowaniu. 
Hel dostarczony do płuc powoduje zmianę wysokości głosu - prędkość rozchodzenia się dźwięku w helu jest ok. 3 razy większa niż w powietrzu. 
Hipotetycznie izotop 3He może zostać wykorzystany w kontrolowanej reakcji termojądrowej z deuterem do uzyskiwania energii bez powstawania niepożądanych odpadów promieniotwórczych. Na Ziemi 3He występuje jedynie śladowo, natomiast znaczne ilości tego izotopu występować mogą w gruncie księżycowym, w związku z czym rozważane są projekty jego wydobycia i transportu z Księżyca na Ziemię.
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