1) differential pressure
差压
1.
Oil-water two-phase flow measurement based on differential pressure;
基于差压法的油水两相流的流量测量
2.
Improvement of differential pressure liquid level measurement in thermal power plant;
火电厂差压式液位测量的改进
2) pressure difference
差压
1.
There are the functional relations among the flow parameters of air in the air reverse circulation drilling piplie, including volume of flow, velocity of flow, pressure and pressure difference which have a great effect on carrying solid phase.
反循环钻探管路中空气的运动参数包括流量、流速、压力、差压，相互间存在一定的函数关系，这些参数对携带固相有很大影响。
2.
For the problem that on-line monitoring of primary air of direct firing pulverizing system can t be complete achieved, the chaotic properties of parameter change of two-phase flow in pipe is analyzed in the paper, according to the pressure difference signal of two-phase flow system.
目前电站锅炉直吹式制粉系统的一次风气固两相流流动状态在线监测仍未得以实现，针对这一难题，本文首次基于管道内气固两相流差压信号对其流动状态变化的混沌特性进行理论研究。
4) differential pressure
差压，压差
5) pressure differential
压差
1.
Determination of the right perforating pressure differential in water injection wells;
注水井合理射孔压差的确定
2.
Improving cementing quality by increasing pressure differential between the internal and external casing
增加套管内外压差提高固井质量
3.
The pressure differential of the Co-Mo catalyst bed of hydrogenation reactor was 4.
对钴钼加氢反应器运行7个月床层压差达到设计值的4。
6) pressure difference
压差
1.
Solution to the influence of the intermittent local ventilation on the pressure difference between rooms in a pharmaceutical workshop;
固体制剂车间间歇性局部排风设备对压差影响的解决方法
2.
Study on testing water head loss of water pipe by the high - precision pressure difference test meter;
高精度压差测量仪测试给水管道水头损失研究
3.
Reasons and countermeasures of pressure difference of ionic membrane electrolyzer;
离子膜电解槽形成大压差的原因及对策
补充资料：差压式流量计的选用
差压式流量计(以下简称DPF或流量计)是根据安装于管道中流量检测件产生的差压、已知的流体条件和检测件与管道的几何尺寸来测量流量的仪表。DPF由一次装置(检测件)和二次装置(差压转换和流量显示仪表)组成。通常以检测件的型式对DPF分类，如孔扳流量计、文丘里管流量计及均速管流量计等。二次装置为各种机械、电子、机电一体式差压计，差压变送器和流量显示及计算仪表，它已发展为三化(系列化、通用化及标准化)程度很高的种类规格庞杂的一大类仪表。差压计既可用于测量流量参数，也可测量其他参数(如压力、物位、密度等)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条