活性酸度 ( active acidity ):土壤溶液中游离的氢离子所直接显示的 酸度。 潜性酸度(potential acidity):土壤胶体上吸附着的氢离子和铝离子 所引起的酸度。
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• 在中性或碱性土壤产称氢氧化铝沉淀(水铝氧石) 土壤酸度种類 • a) active acidity(活性酸): 土壤溶液中的氢離子与铝離子 • b) salt-replaceable acidity(盐取代酸, 交换酸): 吸附在胶体 表面被KCl等交换至溶液中的氢離子...
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soil active acidity 土壤活性酸度 ; 活性酸度 ; 活性酸
It has the advantages of high active oxygen content, weak acidity of the aqueous solution and good solubility in organic solvent in comparison with other solid peroxides.
同其它过氧化物相比,它具有活性氧含量高,水溶液呈弱酸性及能溶于有机溶剂的特点。
Inorganic or organic acidic ligands play an important role in activity of the catalyst. Their proper acidity and chelated strength do favor to active structure of catalyst.
无机或有机酸性配体对催化剂的活性有显著影响,适当强的酸度和配位强度有利于催化剂活性结构的稳定。
Enrichment of platinum in ore was completed by adoption of active carbon and paper pulp in certain acidity. The content of platinum was determined by DDO spectrophotometry method.
采用在一定酸度下的活性炭,纸浆完成对矿石中的铂的富集,用DDO光度法测定铂的量。
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