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31
Jul, 2021
Qhov txawv ntawm waxing thiab crystallization ntawm ntuj pob zeb
Pob zeb pem teb yog cov khoom siv tseem ceeb rau kev kho kom zoo nkauj niaj hnub, tshwj xeeb tshaj yog cov pob zeb ntuj, uas yog nyiam los ntawm feem coob ntawm cov neeg siv khoom vim nws cov yam n...
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28
Jul, 2021
Kev ceev faj rau xaiv pob zeb tiv thaiv tus neeg saib xyuas
Tsis txhob saib ntawm phau ntawv qhia khoom. Txhua yam khoom yuav tsum tau sim ntawm qhov chaw ua ntej txiav txim siab seb nws puas tuaj yeem xaiv tau.
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24
Jul, 2021
Xaiv Pob Zeb Tiv Thaiv Tus Neeg Saib Xyuas
Yog tias lub hom phiaj ntawm kev tiv thaiv yog los tiv thaiv alkali lauj kaub thiab xeb, silicone pob zeb tiv thaiv tus neeg sawv cev tuaj yeem siv los ua kom tiav cov nyhuv.
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21
Jul, 2021
Yuav Ua Li Cas Paub Cov Pob Zeb Zoo Tshaj Plaws
Pob zeb nrog cov qauv ntuj thiab cov xim zoo nkauj muab cov neeg tsim sab hauv nrog cov ntsiab lus dav dav.
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17
Jul, 2021
Kev faib tawm ntawm Ntuj Pob Zeb Thiab Cov yam ntxwv ntawm cov khoom siv pob zeb
Sandstone tiag tiag yog pob zeb sedimentary, uas yog ntxhib thiab xoob, thiab tej zaum yuav xoob thiab deformed thaum ntub; Txawm li cas los xij, nws feem ntau siv rau kev kho kom zoo nkauj phab nt...