]Usoro nhazi igwe na-ekpuchi nri vacuum bụ dị ka ndị a:
mkpuchi ụlọ agụụ, mgbapụta agụụ, oghere oghere malitere ịgbanye ikuku n'ime ọnọdụ agụụ, akpa dị na oghere n'otu oge ahụ, ihe nrịbama agụụ ga-ebili na oghere a tụrụ atụ ((Vacuum)
Site na njikwa oge relay ISJ)
Mgbapu mgbapụta kwụsịrị ịrụ ọrụ, oghere ahụ kwụsịrị.
Na oghere, n'otu oge ahụ ọrụ nke abụọ na-arụ ọrụ 3-ụzọ magnet valvụ (IDT, vacuum heat sealing, thermal in situ).
Igwe na-ekpuchi ihe oriri bụ isi ọrụ nke oxygen, bara uru iji gbochie mmebi nri, ụkpụrụ ya dị mfe, n'ihi na metamorphism nri na-akpata ebu bụ isi kpatara ọrụ microorganisms, na ọtụtụ microorganisms.
Dị ka ebu na yist)
Ịlanahụ bụ mkpa oxygen, na iji ụkpụrụ a, nkwakọ ngwaahịa na nri dị n'ime cell oxygen anwụrụ ọkụ, hapụ microbial lanarị gburugburu ebe obibi.
Nnwale nsonaazụ gosiri: mgbe ịta nke oxygen na nkwakọ & le;
1%, microbial ibu na mmeputakwa ọnụego dara sharply, ikuku oxygen & le;
0.
5%, ọtụtụ ụmụ nje ga-emezigharị ma kwụsị ịmụ nwa.
(
Mara: Mkpokọta agụụ nwere ike igbochi ozuzu anaerobic bacteria na mmeghachi omume enzyme kpatara metamorphism nri na discoloration, yabụ ka ọ dị mkpa ijikọ ya na ụzọ inyeaka ndị ọzọ, dị ka nchekwa oyi, oyi kpọnwụrụ, akpọnwụ akpọnwụ, ịgba ọgwụ mgbochi mmiri dị elu, ịgba ọgwụ mgbochi ọrịa, ịmụ nwa microwave, salting. were gabazie.)
