1.Acidity in soil can be neutralized by spreading lime on it.

1.土壤酸性可以通过在它上面撒石灰来中和。

2.In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

2.由于炼油厂装置腐蚀主要是由原油中物和酸性介质所产生。

3.Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

3.以硝酸银液，采用电位滴定法，连续测定酸性镀铜光充剂中巯基杂环合物和脲衍生物含量。

4.The expression of interleukin-5 (IL-5) has been correlated with the maturation and differentiation of eosinophils, and is considered to be a cytokine responsible for allergic inflammation.

4.IL-5与嗜酸性粒细胞成熟和分密切相关, 是过敏性炎症发生过程中关键细胞因子。