粉煤灰火山灰性能的研究主要是研究如何激发其潜在活性。
Activate the potential activity is the main purpose of the study about the pozzolanic properties of fly ash.
德国于1862年发现的潜在活性的炉渣，矿渣水泥的长期使用。
German in 1862 found that the potential activity of slag, the slag as cement a long-term use.
这些药物可能有经典镇痛剂的内在镇痛活性或潜在活性，或减低经典镇痛剂的毒性作用。
They may have an intrinsic analgesic activity or may potentiate the activity of classical analgesics or diminish their toxic effects.
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