Tus nqi ntawm ib cov plaub hau kub yeeb nkab ib txwm yog qhov ncaj tshaj plaws, qhov tseem ceeb, thiab qhov tseem ceeb rau kev lag luam
Tso lus
Tus nqi ntawm ib cov plaub hau kub yeeb nkab ib txwm yog qhov ncaj tshaj plaws, qhov tseem ceeb, thiab qhov tseem ceeb rau kev lag luam
Hais txog tus nqi ntawm cov kav dej kub ib leeg, kuv xav ua ob peb yam lus piav qhia: cov kav dej kub yog txhua yam khoom siv uas tsis yog tus qauv, thiab tsis muaj qhov kwv yees loj thiab cov qauv muab, yog li peb tsis tuaj yeem muab cov lus hais.
Txhawm rau muab cov nqi hluav taws xob cua sov rau koj sai sai, thov npaj cov khoom tsim nyog kos duab lossis duab lub cev ua ntej ua kev nug; Yog tias tsis muaj leej twg tuaj yeem muab tau, koj tuaj yeem xa mus rau peb lub chaw tsim khoom los xaiv cov khoom siv hluav taws xob tsim hluav taws xob rau koj, lossis ncaj qha tiv tauj peb los pab koj tsim.
Vim lub fact tias cov cua kub tubes yog cov khoom uas tsis yog-tus qauv, qhov kev txiav txim kom muaj nuj nqis ncaj qha cuam tshuam tus nqi ntawm cov cua sov raj. Yog li, thov muab qhov ntau ntawm ib qho kev yuav khoom. Thov tsis txhob sib piv peb cov nqi khoom lag luam nrog cov khw muag khoom hauv zos, vim nws tsis muaj qab hau. Peb tus nqi yeej siab dua lawv, ib xees rau ib xees. Peb tsis xav piav ntau dhau txog qhov teeb meem no, hauv ib kab lus: Koj yuav paub tom qab siv nws.
Lub ntsiab yam tseem ceeb cuam tshuam rau tus nqi ntawm cov cua sov raj yog:
(1) Cov khoom siv sab hauv: magnesium oxide hmoov, hlau tsis kam
(2) Cov khoom siv sab nraud: cov khoom siv plhaub, seb puas yuav tsum tau kho tshwj xeeb
(3) Cov txheej txheem ntau lawm complexity
(4) Tus nqi qis
(5) Kev yuav khoom kom muaj nuj nqis
(6) Cov qauv tsim (qhov cuam tshuam ntawm cov qauv tsim ntawm tus nqi ntawm cov cua sov raj tuaj yeem raug xa mus raws li qhov cuam tshuam ntawm cov hluav taws xob cua sov raj tsim cov qauv ntawm tus nqi hluav taws xob cua sov raj)
(7) Tus neeg muag khoom yam
(8) Lwm yam tshwj xeeb
Yog li, txhawm rau paub txog tus nqi ntawm cov khoom siv hluav taws xob cua sov, peb yuav tsum muaj kev sib txuas lus zoo, thiab tsuas yog tom qab kev sib txuas lus peb tuaj yeem tau txais tus nqi siab thiab tsim nyog.
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