alkali types 中文意思是什麼
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Analysis on the buffer action of three kinds of different soils from two soil types of the north of henan, showed that the order of buffer action acid and alkali of three kinds of different soils was as following : chao soil with high fertility > lime drab soil > chao soil
摘要對豫北地區的2個土類3種不同土壤的緩沖性能進行分析研究，結果表明：供試土壤對酸、堿的緩沖性強弱依次為高肥潮土褐土潮土。 -
By calculating the calc - alkali index ( ca ) and alumina saturation index ( asi ), the magma types of the granites can be roughly determined
通過鈣堿指數（ ca ）和鋁飽和指數（ asi ）的計算，可以大體獲知花崗巖的巖漿類型。
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