Zinc yog ib qho tseem ceeb ntawm micronutrient rau kev cog qoob loo thiab yog ib qho khoom siv ntawm ntau lub enzymes.
May 01, 2021
Txawm hais tias lawv tsuas suav rau 0.1% ntawm tag nrho qhov hnyav ntawm lub ntiaj teb ua kiav txhab, gypsum, anhydrite, barite, thiab thenardite hauv lawv tuaj yeem nkag mus ra...
Apr 30, 2021
Raws li cov tshuaj pleev ua kom tsis haum, nws tuaj yeem tsim cov precipitates nrog sulfides, phosphates, thiab lwm yam kom tshem tawm sulfides, phosphates, thiab lwm yam.
Apr 29, 2021
