tus nqi ntawm ob lub iav
Jun 18, 2022
Hauv lub neej niaj hnub, muaj ntau thiab ntau daim ntawv thov ntawm khob khob, thiab ntau thiab ntau tus neeg haus dej los ntawm khob khob. Cov neeg ua haujlwm hauv chaw ua haujlwm siv ntau lub khob iav ob txheej. Thaum peb yuav, peb feem ntau xav tias tus nqi kim dua yog qhov zoo dua. Yog, nws kim heev. Lub khob puas zoo? Cia peb saib tus nqi ntawm ob txheej iav khob!
Qee cov phooj ywg tsis paub ntau txog cov khoom ntawm khob khob. Vim li cas cov khob khob ob-txheej tshiab hauv kev ua lag luam lossis cov khw muag khoom tsis hnov tsw ntawm cov yas? Puas yog ob txheej iav no ua los ntawm plexiglass lossis iav inorganic? Lub khob tsw qab no yuav tsum tsis yog hu ua iav, vim tias nws yog plexiglass, uas yog cov khoom zoo li PVC, thiab cov yas tsw yog cov organic.
Cov khoom siv raw li niaj zaus ntawm ob txheej iav yog siab borosilicate iav, uas yog iav inorganic. Ib txwm iav yuav tsum tsis muaj saj. Yog li ntawd, thaum yuav khoom, xyuam xim rau qhov sib txawv thiab sib sau ua ke ntawm cov yas los tiv thaiv kev laus thiab cov yas yas hauv qhov chaw kaw, tab sis lawv feem ntau yog nyob rau hauv kev ua lag luam. Cov iav ob txheej yog ua los ntawm cov iav inorganic, yog li tsis tas yuav txhawj xeeb ntau dhau ntawm kev yuav iav txawv.
