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1·Sucrase an enzyme that breaks down sucrose into glucose and fructose.

蔗糖酶：使蔗糖分解成为葡萄糖和果糖的酶。

2·Fertilization shows no significant effects on the activities of catalase and sucrase.

施肥对蔗糖酶和过氧化氢酶活性的影响较小。

3·Subsoiling returning could significantly increase soil urease activity and sucrase activity.

深松耕还田显著提高土壤脲酶、蔗糖酶活性。

4·It stimulated the activity of soil sucrase to a varying degree, with the maximum stimulation ratio being 15%.

镧对土壤蔗糖酶活性表现出不同程度的刺激作用，最大刺激率达到1 5 %。

5·The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.

土壤脱氢酶、碱性磷酸酶、脲酶及蔗糖酶活性均随培养时间延长而降低。

6·The influence on soil of urease, sucrase, catalase activity, EC value, rapidly available phosphorus was also studied.

以及磷用量对土壤脲酶、蔗糖酶、过氧化氢酶、EC值、速效磷的影响。

7·Objective:To investigate the relation between the activity of saliva-sucrase and malignant change of oral cavity tumor.

目的：探讨唾液蔗糖酶活性与口腔肿瘤恶变之间的相互关系。

8·Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.

此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。

9·The photosynthetic rate, content of reducing sugar and the activities of neutral and acid sucrase in leaf are all greater than that used no ethephon.

其叶片光合强度、还原糖含量和中性与酸性蔗糖酶活力均高于未施用乙烯利的。

10·The experiment results showed as follows: The activity of urease and sucrase were inhibited and the activity of phosphatase was advanced as applying nitrogenous fertilizer.

结果表明，天然草地土壤施氮肥后，脲酶与蔗糖酶活性受到抑制，而磷酸酶活性受到促进；