Dab tsi yog cov khoom siv raw siv los ua cov fwj naj hoom?
Cov khoom siv thaum ntxov tshaj plaws siv los ua cov fwj naj hoom yog gypsum.Ntev dhau los, tib neeg tau siv plaster los ua lub raj mis naj hoom, uas tuaj yeem khaws cov tshuaj tsw qab zoo dua thiab tsis txhob muaj tshuaj tsw qab.Yog li nyob rau hauv lub era tsis muaj iav, gypsum yog siv.
Yuav siv tshuaj tsw qab li cas kom raug
1. Ua ntej tshuaj tsuag, ua ntej rub ib co tshuaj pleev rau ntawm caj npab kom cov tawv nqaij moist.Vim tias daim tawv nqaij qhuav feem ntau, cov tshuaj tsw qab tuaj yeem yooj yim.
2. Txau cov tshuaj tsw qab ntawm qhov deb li ntawm 20 cm ntawm cov hlab ntsha, kom cov tshuaj tsw qab yuav ruaj khov heev.
3., nws kuj tuaj yeem txau rau ntawm dab teg thiab pob ntseg.Nws yog ib qho kev xaiv zoo los xyuas kom meej tias cov naj hoom volatilization qeeb.
Yuav ua li cas tuav qhov kev ncua deb ntawm naj hoom?
Cov tshuaj tsw qab yuav tsum tau muab txau kom sib npaug ua ntej nws yuav ua rau muaj kev kub ntxhov ntau dhau, yog li nws yuav tsum tau tuav ib qho kev ncua deb thaum txau, tab sis tsis deb ntawm qhov deb.Qhov chaw nyob ze ntawm cov tshuaj tsuag yuav tsawg dhau, ua rau cov khoom pov tseg.Qhov kev ncua deb ntawm qhov zoo tshaj plaws ntawm 1.5 xibtes yog qhov ntau ntawm cov tshuaj tsuag yog qhov tsim nyog tshaj plaws thiab zoo ib yam.
Qhov zoo tshaj plaws ntawm cov tshuaj tsw qab
Lub dab teg thiab pob ntseg yog cov lus teb zoo tshaj plaws, tab sis lub dab teg yog qhov tsis sib xws, vim lub dab teg yog qhov tseem ceeb tshaj plaws ntawm lub cev txav.Cov ntxhiab tsw ntawm cov tshuaj tsw qab yuav tawg nrog qhov kev txiav txim ntawm tes, yog li cov volatilization ceev heev.Thiab qhov no yog nyob ze ntawm tes, yog li nws yooj yim los ntxuav cov tshuaj tsw qab thaum ntxuav tes.Txhawm rau kom cov tshuaj tsw qab kawg, txoj hauv kev zoo tshaj plaws yog txau rau ntawm caj dab thiab tom qab pob ntseg, uas yog ob qho tib si zais thiab kav ntev.
Post lub sij hawm: Apr-12-2022