Cov yam ntxwv thiab kev ua haujlwm ntawm kev ntim khoom noj qhuav

Rauntim khoom noj qhuav, muaj cov yam ntxwv thiab kev ua haujlwm hauv qab no:

1. Cov zaub mov no feem ntau tau ntim rau hauv ib lossis ob txheej ntawm cov hnab yas zaj duab xis sab hauv thiab lawv kuj tau ntim los ntawm kev siv cov yeeb yuj luam ntawv thawv / cartons lossis cov yeeb yuj luam ntawv cov thawv sab nraud.
2. Feem ntau ntawm lawv tsis xav tau cov pa oxygen siab, tab sis tag nrhontim khoom noj qhuavxav tau cov dej noo zoo thiab ua haujlwm tsis hnov ​​tsw zoo.
3. Cov qauv ntim khoom yog yooj yim thiab cov nqi ntim tsawg.
4. Tsuas yog cov hmoov nplej qhuav qhuav, lawv feem ntau yog muag hauv hnab loj.Txhua lub hnab ntim khoom noj qhuav yuav tsum tau ntxiv cov zippers rau cov neeg siv khoom siv rov qab siv dua.
5. Kev poob thiab tau txais cov dej noo hauv cov zaub mov qhuav yuav tsum tsim nyog, txwv tsis pub nws yuav cuam tshuam rau qhov zoo ntawm cov khoom noj qhuav.

Cov khoom noj qhuav suav nrog cov nplej zom, kib nplej hmoov nplej, ceev, mov, vermicelli,spaghetti, noodles, hmoov, oatmeal, txuj lom thiab lwm yam Piv txwv li, ci sib tov yog ib lo lus tshiab uas tshwm sim nyob rau hauv lub xyoo pua 20th.Nws yog sib tov tag nrho cov ntaub ntawv uas siv los ua ncuav mog qab zib: hmoov, qab zib, butter, mis nyuj hmoov, edible spices, edible ntsev, thiab ces ntim lawv nyob rau hauv ib tug haum ntim hnab thiab muag ncaj qha rau cov neeg siv khoom rau tsev neeg ncuav mog qab zib.LLDPE hnab feem ntau yog siv rau ntim thiab muab tso rau hauv thawv.LLDPE hnab tuaj yeem tsim ncaj qha thiab ntim, thiab tuaj yeem ntim rau ntawm lub tshuab cua sov sealing.

Nyob rau hauv ib co inflatablentim zaj duab xis yobcov ntaub ntawv, txoj kev sau cov nitrogen thiab carbon dioxide rau hauv cov ntaub ntawv ntim nrog kev thaiv zoo heev tuaj yeem siv los khaws cov zaub mov qhuav zoo dua.Raws li qhov concentration ntawm nitrogen thiab carbon dioxide nyob rau hauv lub ntim ntim nce, qhov concentration ntawm oxygen kuj txo.Thaum cov pa roj carbon dioxide nce mus txog 7% - 9% thiab cov pa oxygen concentration qis dua 2%, kev ua pa ntawm cov hlwb ua haujlwm hauv cov zaub mov qhuav hauv lub hnab ntim tau txo qis heev thiab nyob rau hauv hibernation, uas tuaj yeem tiv thaiv cov zaub mov qhuav los ntawm pwm. thiab deterioration.Nitrogen thiab carbon dioxide muaj kev ua kom tsis muaj menyuam zoo.

Rau cov khoom noj qhuav uas muaj roj ntau, xws li taum qhuav qhuav, txiv laum huab xeeb qhuav thiab mov dub.Lawv txhua tus yuav tsum muaj cov pa oxygen siab, yog li covyas ntim hnab or yas zaj duab xis yobtuaj yeem ua los ntawmzaj duab xis ntim cov ntaub ntawv nrog siab barrier functions.