Acid - washed, flux - calcinated diatomaceous earth is often used.
通常使用酸洗的, 通量煅燒硅藻土.
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Salts strengthened the low - temperature pyrolysis of untreated biomass and high - temperature pyrolysis of acid - washed biomass, respectively.
金屬鹽分別加強了生物質原樣的低溫熱解和酸洗樣的高溫熱解.
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