注意：重要的是压差读数慢慢下降。
这些压差要定期进行记录或用文件记录。
These pressure differences should be recorded regularly or otherwise documented.
本文就压差换算提出一种方法并举出一个实例。
The article presents a method of pressure difference conversion and provides an example.
如果压差读数没有降低，则记录止回阀为密封紧密。
If the differential reading does not decrease record check as tight.
分析了国外文献中对压差作用的认识和压差设定值。
Analyses the cognition to pressure difference function and the pressure difference values recommended in foreign literatures.
通过预测，得到预防出砂的临界生产压差和临界产量。
Gained the critical production pressure difference and the critical output by the model.
应用工业气体安全关断，压力控制或压差控制系统应用。
Application Industrial gas system applications for safety shutoff, pressure control, or differential-pressure control.
理论分析和实验的结果说明：边界层分离将引起压差阻力。
The theoretical analysis and experimental results show that boundary layer separation will produce pressure drag.
采用杠杆执行器要求阀门的最大压差不能超过下表所列的极限。
Maximum pressure differential required for valves with lever actuators should not exceed the limits listed.
采用真空压差法的试验台用于在线检测，准确性达98%以上。
The experimental bench for applying vacuum pressure difference method was used for in-line testing, of which the exactness is up to over 98%.
主旋风分离器进出口压差显示，高效过滤器进出口压差现场显示。
Indication of inlet-outlet pressure difference between master cyclone inlet and outlet; local indication of pressure difference between high-efficiency filter inlet and outlet.
因此可以保证可调喉口的动态反应性能及减小炉口压差波动范围。
So can ensure adjustable laryngeal orifice and dynamic response performance and reduce oven pressure difference fluctuation range.
结果表明采用新型结构能在强化传热的同时降低微通道进出口压差。
And experimental results show that the new structure microchannels can enhance heat transfer and reduce pressure drop across microchannels at the same time.
他们依靠在他们的整个作用面上，并且实际不能承受任何压差作用。
They rest on their whole active surface and practically can not stand any pressure difference action.
浅层气井日产气量相对低于深部气井，日产水量较大，生产压差大；
The shallow gas wells have lower production than the deep wells, and have large water production.
通过采用真空压差铸造工艺，结合铸造型壳的制造，成功制造出金属零件。
Some metallic parts are successfully fabricated using a vacuum pressure difference casting technology and a casting mould shell technology.
从理论上对过滤器运行期间压差的增长规律及影响压差的因素进行了讨论。
The increasing rules and influence factors of differential pressure during the operation of filter are discussed theoretically.
由于前缘涡的影响，翼型厚度增加，平均压差阻力系数变小，甚至会出现负值。
As airfoil thickness is increased, the average pressure drag, affected by leading edge vortex is reduced even to be negative, and meanwhile friction has little increase.
结合现场调查和统计规律，建立了环空压差和层间压差与固井质量的关系图版。
Based on field investigation and statistical data, the relation plate of annulus pressure differential, interlayer differential and cementing quality is plotted.
现场是否有以下文件：工厂卫生区域布局图、空调净化系统分布图和压差布置图。
Documents to be provided: factory layout of hygiene zones, distribution of HVAC systems, and layout showing differential.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
采用美国瓦茨系列PG仪器测量和记录通过阀门的压差。警告：应该使用安全眼镜。
Measure and record the differential pressure across the valve using a Watts Series PG meter. CAUTION: Safety glasses should be used.
建立了热力膨胀阀模型，重点建立了流量与阀前后压差及制冷剂进出口干度的关系。
The model of thermal expand valve is built and the connection of flux, pressure difference between the front and behind of the valve and cryogen dryness of inlet and outlet.
随着过滤时间的持续，饼层厚度增加，阻力增大，过滤压差随时间的持续呈直线增长。
As the duration of the filter cake layer thickness, increase, resistance increases, filtering the duration of the pressure difference with a straight-line growth.
开展缩小井距开发先导试验，通过适当加密井网，建立有效生产压差，改善开发效果。
To make the development effect better, we reduce well spacing to develop the precursor experiment, infill well network appropriately, build effective producing pressure drop.
应力敏感性是指骨架应力和孔隙流体压力共同作用产生的压差对微观孔隙结构的影响。
Stress sensitivity means the influence of pressure difference produced by joint working of the matrix stress and the porous fluid pressure on the porous microstructure.
应力敏感性是指骨架应力和孔隙流体压力共同作用产生的压差对微观孔隙结构的影响。
Stress sensitivity means the influence of pressure difference produced by joint working of the matrix stress and the porous fluid pressure on the porous microstructure.
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