Under different P levels, inoculation with AM fungus advanced the growth of L. chinensis with or without salt injury conditions.

各个磷水平下，有无盐害接种AM真菌均能促进羊草生长。

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Objective: To evaluate the variation of the lung volume in acute respiratory distress syndrome (ARDS) dogs when PEEP set at levels of different inflection points on the pressure volume(P-V) curves.

目的：探讨根据压力-容积（P-V）曲线选择不同水平的呼气末正压（PEEP），急性呼吸窘迫综合征（ARDS）犬肺容积的变化情况。

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There was a significant difference in head nurses' leadership behavior among different hospitals, specialized units and education levels(P<0.05, P<0.01).

不同医院、科室及不同学历的护士长，其定规和关怀领导行为比较，差异有显著性意义（P<0.05，P<0.01）。

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