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。
The provenance experiment on Eucalyptus smithii shows that height, DBH, volume have little variation in provenance, and great variation in individuals.
史密斯桉种源试验结果表明：树高、胸径、材积种源间变异相对较小，而种源内个体间的变异较为丰富。
The results demonstrate that the variation of annual maximum flood volume with duration has a simple scaling property in a certain period of time.
研究结果表明：在一定的历时范围内，年最大洪量随历时变化具有单标度性质。
Although both manifest a high volume during the day and low volume at night, the ratio in the former is markedly higher than that in the latter, which prove a bigger variation in the former.
虽然两种证型皆呈现昼高夜低的特点，但肝阳上亢型昼夜比显著高于阴虚阳亢型，可见肝阳上亢型血压昼夜变化大，而阴虚阳亢型变化较小；
A practical hydropower plant is selected in case study, and the influences of the hydrological variation, contract price and contract volume on the option price and social benefit are analyzed.
算例以某实际水电厂为例，分析了水文波动性、合同电量和合同价格对复合期权价格以及社会效益的影响。
The results showed there are rich and popular variation in many quantity characters such as fast-growth, resistance, adaption, and biological volume among clones of Salix psammophila.
研究结果表明 ，在沙柳无性系间速生性、抗逆性、适应性和生物量等数量性状存在丰富而广泛变异 ；
Representative elementary volume (REV) is usually adopted to discuss the variation of permeability with volume of fractured rock masses in multi-field coupling analysis.
在岩体多场耦合分析中，许多采用岩体表征单元体(REV)讨论岩体的渗透特性。
The volume variation of ductile iron occurring in eutectic solidification was ascertained by calculating the specific volume of each component phase of the iron.
用计算各组成相比容的办法计算了球墨铸铁共晶转变时的体积变化。
Variation characteristic of water volume and water quality in groundwater key protection area of Tongliao city;
灌区量水是灌区实行计划用水、按方收费的重要手段。
The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致，预示了低煤级煤储层较高的基岩渗透率。
The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致，预示了低煤级煤储层较高的基岩渗透率。
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