Cov roj tseem ceeb tsis lwj zoo li zaub mov, tab sis lawv hloov pauv raws sijhawm. Vim tias nws nyuaj rau txiav txim siab seb cov roj tau hloov pauv li cas, nws tseem nyuaj rau txiav txim siab seb lawv puas siv tau. Cov kab hauv qab yog, tsis txhob nqus cov roj yam tseem ceeb uas tau tas sij hawm los yog siv rau ntawm koj cov tawv nqaij tom qab lawv tas sij hawm.
Cov roj yam tseem ceeb tau ntev npaum li cas?
Feem ntau yuav kav ntev li ob xyoos ua ntej pib degrade, tshwj tsis yog tias lawv muaj ib qho ntawm cov khoom thauj tsis ruaj khov uas tau hais dhau los. Thiab qee qhov tuaj yeem kav ntev li 15 xyoo yam tsis tau poob lawv cov txiaj ntsig. Ntau tus kws tshaj lij qhia kom hloov cov roj yam tseem ceeb txhua peb xyoos kom nyab xeeb.
Cov roj yam tseem ceeb zoo rau ib zaug qhib ntev npaum li cas?
Cov roj tseem ceeb yuav tas sij hawm nyob qhov twg los ntawm ib txog yim xyoo txij thaum lawv qhib thawj zaug ua ntej tas sij hawm.
Thaum twg koj yuav tsum pov cov roj yam tseem ceeb?
Thaum cov roj tseem ceeb tau siv ntev heev, lawv poob lawv cov khoom kho mob dhau sijhawm. Ntxiv mus, qee cov roj pib tawm cov ntxhiab tsw ntxhiab, qhia tias lawv tsis muaj kev nyab xeeb siv lawm. Yog li koj paub tias lub sijhawm muab cov roj pov tseg.
Pob roj yam tseem ceeb tig rancid?
Cov roj tseem ceeb oxidize lub sijhawm ua rau lawv tsis zoo es tsis txhob muaj txiaj ntsig. Tsawg tus neeg siv cov roj yam tseem ceeb paub txog qhov no thiab tuaj yeem khaws lawv cov roj rau xyoo tsis paub txog oxidation.
