The pressure testing of a pipeline is carried out using either of the two methods: (1) by controlling the hoop stress of pipeline, or (2)by controlling the test pressure according to the pressure-volume curve(PVC) of the test medium.
目前国内外采用的管道试压方式大致有两种,一种是在试压时控制管道环向应力水平;另一种是以管道中试压介质的压力容积图控制试压。
Study on model-free adaptive control of volume-chamber pressure;
容积室压力的无模型自适应控制研究
pressure-volume diagram
压容图,压力容积曲线图
The Correlation between Storage Symptoms and Filling Cystometric parameters in BPH patients
BPH储尿期症状与膀胱压力容积测定参数的相关性研究
pressure-volume-temperature relations
压力-容积-温度关系
linear pressure-volume approximation
压(力)容(积)线性近似关系
P-V-T-t technique
压力-容积-温度-时间法
interlobe space
(容积式压气机) 叶间容积
The parameters mean the evaporation capacity or the volume, pressure, and temperature.
介质参数是指蒸发量或容积、压力、温度。
(2) For closed vessels with spherical shape, the bigger volume of vessel is, the smaller ascent rate of pressure becomes, and the volume of vessel has no effect on the maximum explosion pressure.
容器的容积越大，最大压力上升速率就越小； 容器的容积对最大爆炸压力没有影响。
The quantity of product a container can hold is determined by its water capacity and pressure rating.
容器的产品容量有它的水容积和额定压力来决定。
Pressure varies directly with temperature and inversely with volume.
压力随温度成正比例变化, 与容积成反比例变化。
Quantitative Evaluation of the Change of upper Airway Volume by CT Scan in Response to Continuous Negative Airway Pressure;
呼吸面罩内压力变化对咽气道容积的影响
The quantity of product a container can hold is determined by its pressure rating and internal volume. Generally the higher the pressure, the more oxygen is contained in a cylinder.
容器能够容纳的产品数量由它的额定压力和内容积决定。一般来说，压力约高，钢瓶内装的氧越多。
double-acting positive displacement compressor
双作用容积式压缩机
Mathematical Model of Displacement Compressor
容积式压缩机数学模型
displacement of compressor
压缩机活塞的行程容积
This is an insulated, vacuum-jacketed, pressure vessel. They are equipped with pressure-relief valves and rupture disks to protect the cylinders from pressure build-up.
这是一个隔热的有真空夹层的压力容器。它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。
The hara is also the one's physical center from which all major muscle groups symmetrically radiate.
这个收缩活动增加了胸腔的容积，降低了肺部的压力。
Effects of Simulated Weightlessness on Pressure-volume Relationships of Femoral Vein of New Zealand Rabbits.
模拟失重对新西兰兔股静脉压力-容积关系的影响