Xov xwm
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Dab tsi yog degradable ntim hnab thiab tag nrho degradable ntim hnab?
Cov hnab ntim khoom degradable txhais tau tias lawv tuaj yeem degraded, tab sis degradation tuaj yeem muab faib ua "degradable" thiab "tag nrho degradable". Ib nrab degradation yog hais txog qhov sib ntxiv ntawm qee yam additives (xws li hmoov txhuv nplej siab, hloov cov hmoov txhuv nplej siab los yog lwm yam cellulose, photosensitizers, biode ...Nyeem ntxiv -
Txoj kev loj hlob ntawm cov hnab ntim khoom
1. Raws li cov ntsiab lus xav tau, lub hnab ntim khoom yuav tsum ua kom tau raws li cov kev xav tau ntawm kev ua haujlwm, xws li kev nruj, cov khoom thaiv, kev ruaj khov, steaming, khov, thiab lwm yam. Cov ntaub ntawv tshiab tuaj yeem ua lub luag haujlwm tseem ceeb hauv qhov no. 2. Qhia qhov tshiab thiab nce...Nyeem ntxiv
