Siv lub touchpad

Xov xwm

Peb siv kev ncaj ncees thiab yeej-yeej ua lub hauv paus ntsiab lus ua haujlwm, thiab kho txhua lub lag luam nrog kev tswj hwm thiab kev saib xyuas nruj.
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    Cov txheej txheem yaj ntawm HPMC suav nrog: dej txias tam sim ntawd txoj kev daws teeb meem thiab kub txoj kev daws teeb meem, hmoov sib tov txoj kev thiab cov organic solvent wetting txoj kev Cov dej txias ntawm HPMC yog kho nrog glyoxal, uas yog sai dispersed nyob rau hauv dej txias. Lub sijhawm no, kuv ...
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  • Tswj Cov Pa phem Ib puag ncig nrog Columnar activated carbon

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    Kev ua qias huab cua thiab dej tseem yog ib qho teeb meem thoob ntiaj teb uas tseem ceeb tshaj plaws, ua rau cov ecosystem tseem ceeb, cov saw hlau noj mov, thiab ib puag ncig uas tsim nyog rau tib neeg lub neej muaj kev phom sij. Kev ua qias dej feem ntau yog los ntawm cov hlau hnyav, cov kuab paug organic uas tsis ruaj khov, thiab cov kab mob - lom, ...
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