Gained the critical production pressure difference and the critical output by the model.
通过预测，得到预防出砂的临界生产压差和临界产量。
Recommends the proper value of pressure difference between negative pressure wards and adjacent clean zones.
给出了负压病房和相邻洁净区域压差的推荐值。
Applying variable pressure difference control can reduce throttle loss and achieve better energy-saving effect.
采用变压差控制可减少阀门的节流损失，具有更好的节能效果。
The equation of pressure difference for static seal is derived from tests, which provides bases for sealing design.
在试验研究中推导出静密封压差的计算公式，为密封间隙的结构设计提供了依据。
As a method of drying, the explosion puffing drying at variable temperature and pressure difference is a new technology.
变温压差膨化干燥是一种新型的果蔬干燥技术，在胡萝卜加工中的应用还处于起步阶段。
Centrifugal force has considerably effect on the pressure difference in sealing as shaft speed and diameter being large.
转速较高或转轴直径较大时，离心力对密封压差有较大的影响。
At last, flow rate, the influence of pressure difference and screw combination on flow rate were confirmed by experiments.
文章最后对流量、流量与压差的关系及不同螺杆组合对流量的影响进行了实验验证。
Analyses the cognition to pressure difference function and the pressure difference values recommended in foreign literatures.
分析了国外文献中对压差作用的认识和压差设定值。
It also contains fan curves defining volume or mass flow rate versus static pressure difference for selected industrial fans.
它也包含为了被选择的工业的未定定义相对于静态的压力差异的量或者大规模流量的未定曲线。
So can ensure adjustable laryngeal orifice and dynamic response performance and reduce oven pressure difference fluctuation range.
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。
The finite element method is used in the study of HNDT for bonding defects of polymeric substances under vacuum-pressure difference.
本文是在激光全息无损检测（简称HNDT）高聚物研究中，利用有限元计算方法，对其叠层粘接缺陷在真空负压载荷下形变量进行计算。
The surface evaporation is influenced by vapor temperature, vapor-liquid interfacial temperature and vapor-liquid pressure difference.
表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
When a buried pipeline undergoes the different additional pressure, it will distort and become deformed due to the pressure difference.
当地下埋深管线两侧受到不同的附加压力时，由于压差的存在使管线发生了弯曲变形。
The even intensity and long duration of these murmurs reflect the large pressure difference across the orifice where the sound originates.
杂音的平均强度和长持续时间反映出声口压力差异很大。
Some metallic parts are successfully fabricated using a vacuum pressure difference casting technology and a casting mould shell technology.
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。
The experimental bench for applying vacuum pressure difference method was used for in-line testing, of which the exactness is up to over 98%.
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 relationship between vapor pressure difference and rate of nutrient release from film coated controlled release fertilizer was discussed.
研究了水蒸气压差与包膜型控释肥料养分释放速率的关系。
This method is based on the measurement of the rate of air flow through a given area of fabric by a given pressure difference across the fabric.
这个方法是基于对空气流速的测量：在一块既定面积的面料上，通过面料两边不同的压差来获得。
Based on the mechanism of water coning of horizontal Wells in bottom-water drive reservoir the critical production pressure difference is obtained.
在分析底水油藏水平井开发底水脊进原理的基础上，建立了底水油藏水平井开发的临界生产压差计算公式。
Pressure difference fluctuation is employed to identify flow pattern and pressure difference fluctuation signals of various flow pattern are obtained.
采用压差波动法测定流型，获得了不同流型下的压差波动信号。
Through analyse on cooling path of motor, distribution of wind scalar, wind speed and pressure difference of a motor operating at the ratings is obtained.
通过对电机冷却风道进行分析研究，得到电机在额定工况下，电机内部风量分布、风速值和压差。
Once they hit the edge of a cone, drops are propelled towards its base, the least curved region, because of the pressure difference caused by surface tension.
一旦水滴流到了圆锥体的边缘，就会在锥体表面张力所形成的压力差的作用下流向它的底座，那里是曲线弧度最小的地方。
As for the selection of throttle orifice, methods for calculating the number of orifice stages, pressure difference and orifice diameter are described as well.
介绍了选择节流孔板的计算方法，包括节流孔板级数、压力差和孔径的计算。
As the duration of the filter cake layer thickness, increase, resistance increases, filtering the duration of the pressure difference with a straight-line growth.
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。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法，分析了不同被控环路系统的适用条件。
The determination of reasonable pressure difference for horizontal well test is relevant to the reasonable productivity which is determined by the selection of nozzle.
水平井试井合理压差的确定实际上是与水平井合理产能相对应，而合理的产能是通过选择合理的油嘴来实现的。
The idea is with the help of vacuum pump to increase the pressure difference between material hopper and vacuum chamber, hence the packing environment can be achieved.
通过真空泵减压，使真空室里面的负压慢慢增大，在产品供应漏斗和真空室之间产生压差，从而实现包装过程。
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.
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。
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