
 Therolesofseleniuminthebiosphere,bothbeneficialanddeleterious,aregraduallybeingdetermined.Manymicroorganismsareknowntobeabletouseselenium(e.g.,selenite,selenateorotherforms)intheirmetabolism.Asformicroalgae,seleniumhasbeenshowntobeanessentialelementforthe (共 15166 字) [閱讀本文] >>


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