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Organic matter

—L‹@ƒKƒX-Ž_‰»z•¨ (•οΪ‰»‡•¨)
[SiO2]En(C,H,O,N,S) [³•ϋ]
ƒƒ‰ƒmƒtƒƒOΞ
[SiO2]En(C,H) [˜Z•ϋ]
–[‘Ξ
[SiO2]En(C,H) [—§•ϋ]
η—tΞ
’Pƒ—L‹@•¨
—L‹@•¨
ΰζΰί
ƒRƒpƒ‹
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