The expression of the relation between pressure, volume and temperature is as follows.
压力、体积与温度的关系可表述如下。
2
The relation equation of pressure drop in oil tank vers burning time and the air volume is established.
导出了油箱容积、气箱容积、充气间隔的压力降和燃烧时间的关系。
3
Methods Relation hemorrhage volume, cerebrospinal fluid pressure and ingredient change in cerebrospinal fluid with headache were analyzed in 82 old patients with SAH and 84 non-aged as comparison.