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 %。

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The FLS scores were correlated positively with the latency of partial target stimulation and ratio of target P4 of P300, but negatively with the amplitudes(P< 0.05 to 0.01).

日常生活功能量表评分结果与P300部分靶刺激潜伏期和P4波出现率呈正相关，而与靶刺激波幅呈负相关（P<0.05～0.01）。

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Cyclic steam stimulation is a major way of recovering heavy oil at present. Efficient development is highly dependent on rational using of steam energy and improving oil-steam ratio.

蒸汽吞吐是目前稠油油藏开发的主要方式，合理利用蒸汽热能、提高油汽比对于稠油油藏的经济有效开发非常重要。

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