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½ð³æ (СÓÐÃûÆø)

[½»Á÷] Çë½Ì¹ØÓÚUSYºÍY·Ðʯ

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zhutuetit

Ìú³æ (³õÈëÎÄ̳)

USY is called ultra-stable Y zeolites,

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buffaloli(½ð±Ò+1,VIP+0):thanks
usually obtained by the modification of Y zeolites, such as dealumination by steaming
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