In order to improve the sensitivity of detection of alkaline phosphatase(ALP)activity, a fluorometric method based on 4-methylumbelliferyl phosphate(4-MUP)as substrate was investigated.
为提高碱性磷酸酶（ALP）活性测定的灵敏度，对以4-甲基伞形酮磷酸酯（4-MUP）为底物的荧光法进行了研究。
The invading liquid phase can also cause the sensitivity of water, brine, acid and alkaline, which is the second potential damage factor.
液相侵入形成的水敏、盐敏、酸敏、碱敏是第二位潜在的伤害因素；
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