Kupu WhakatakiHikelok korehau ngongo ngongo ngongo utu mo te hē i waenganui i nga hononga pateko i roto i te korehau tono iti-pēhanga ranei.I te wa o te whakaurunga, ka taea te kopiri i nga ngongo kopikopiko ma te 15% neke atu ranei, ka roa atu ranei ki te 50% o te roa i hangaia.
Ngā āhuatangaNga ngongo kowiri tiraTe Mahana Mahi mai i te 70°F ki te 1000°F (20°C ki te 537°C)Whakatauranga Peehanga: 1/4 inihi. ngongo diameter o waho? te korehau teitei (10–9 torr) ki te 100 psig (6.8 pae)Te Whakatau Whakatau: 3/8 ki te 1 1/2 roto. waho diameter ngongo?ultrahighvacuum (109 torr) ki te 25 psig (1.7 pae)Te rahi o te ngongo mai i te 1/4 ki te 1 1/2 inihiNga huinga paerewa me te ritenga-roa
Nga paingaKo ia hua ngongo ngongo ngongo korehau he riihi helium i roto i te riipene ka whakamatauria ki te reiti rerenga teitei o te 1.8 10–7 std cm3/s i te kōpaki
Ētahi atu KōwhiringaTe ngongo ngongo whakarewa (MF1), ngongo ngongo PTFE (PH1) me te ngongo kowiri tira (MT/FT)