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.
在亲水砂质、泥质沉积物的压实过程中,油的运移阻力大于水,而且,在压实过程中油的运移阻力是不断增大的。
The migration force of oil is bigger than that of water and increases constantly during the source of compaction of water-wet sandy and argillaceous sediment.
油在压差驱动下注入亲水砂岩孔隙的过程中,油的运移阻力比水大,因而,油往往沿阻力较低的有限通道运移。
When oil enters the hole of water-wet sandstone driven by pressure difference, oil migrates following a line of less resistance because of the migration force of oil is bigger than that of water.
依据浅埋煤层矿压显现特征,给出浅埋煤层长壁开采工作面支架合理工作阻力及安全界限的确定方法。
Base on the weighing feature of the shallow coal bed, the specifying method of the support working resistance and safety margin is presented in the shallow coal bed.
因为启动阻力是泥质岩层的固有特征,所以,在没有裂缝或断层的情况下,孔隙流体超压就必然存在。
Because starting resistance is the characteristic of mudstone, there is the ultra-pressure of fluid in the pores is inevitable if there are neither cracks nor faults.
因为启动阻力是泥质岩层的固有特征,所以,在没有裂缝或断层的情况下,泥质岩层就必然存在孔隙流体超压。
Because the starting resistance can express the characteristics of the mudstone, the ultra-pressure of fluid must exist in the pores if there are neither cracks nor faults.
在建立动力学模型中,计及了地球扁球形的摄动、大气阻力、太阳辐射压的效应以及日月引力摄动。
The dynamical model included the effects of the earth non-spherical shape, atmospheric drag, solar radiation pressure as well as lunar and solar perturbations.
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.
对肺功能变化较敏感的血流动力学指标是心输出量、肺血管阻力、肺小动脉嵌顿压。
The cardiac output, pulmonary vascular resistance and PAWP were more sensitive to changes of pulmonary function.
目的:观察地氟醚吸入麻醉时肺顺应性、气道阻力和气道压的变化。
Objective: Our aim was to observe the effects of desflurane inhalation on airway resistance, pulmonary compliance, and airway pressure.
该气液分布器空间占位更低,气体通道开孔率更大,气流阻力小,压降低,操作弹性范围大。
This distributor use small space. has more distribute hole, little gas resistance, low pressure drop , wide operation flexibility.
因此,启动阻力是泥岩层形成孔隙流体超压的根本原因。
The starting resistance is a fundamental factor for causing the ultra-pressure of fluid in pores of mudstone layers.
试验结果表明,螺旋折流板阻力只有弓形的30%,此外,在同样的压降下,螺旋折流板传热效率也提高10%。
Test results show the resistance of spiral plate is 30% of that of segmental baffle, and the heat transfer efficiency is improved by 10% at the same pressure.
利用阻力压降来检测两相流参数具有显著的优势。
It has obvious advantage to use resistance pressure drop to measure the parameter of two-phase flow.
压入式沉桩是以较小的静压力,使桩克服土体的阻力,把预制钢筋混凝土桩沉入预定的标高,从而获得较大的承载力的桩基工程。
The jacked pile, as one of the types of pile foundation engineering, overcomes the resistance of soil and sinks to the preset level by less static pressure while affording a larger bearing capacity.
在化工原理实验单相流体阻力测定实验中,压差的测定方法一般有两种。
In the experiment of determination of flow resistance of single phase, one of the experiments of chemical theory, there were two methods to determine the pressure drop.
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.
超空泡减阻机理的研究表明:超空泡不仅可以减小回转体的摩擦阻力,还可以减小回转体的压差阻力。
Research on drag reduction mechanism of supercavitation shows that supercavitation can reduce not only the friction drag coefficient but also the pressure drag coefficient.
空气的离解和电离导致轨道器的阻力系数比完全气体计算值低,压心位置前移。
Dissociation and ionization of air bring on lower drag coefficients of the orbiter than that obtained from perfect gas model, while the location of pressure center moves forward.
目的:观察负压疗法对糖尿病伴有肢体血管病变患者的肢体血管弹性、阻力和血流量的影响。
Objective:In order to observe the effect of negative pressure on vascular elasticity, resistance and bloodflow volume in diabetic patients with peripheral angiopathy.
分析了喷射泵在压水堆一回路自然循环过渡过程中的作用以及在不同流动条件下的阻力特性。
The effect of Jet-Pump in the transient procedure of natural circulation and the resistance behaviour of Jet-Pump in the different flow condition have been analyzed.
目的用数值模拟的方法获得加压供氧面罩无余压状态下呼气活门的呼气阻力。
Objective To obtain the expiratory resistance in pressure oxygen mask under no overpressure condition with numerical simulation method.
随着压坯的孔隙率增大,熔渗阻力减小, 熔渗速度加快,熔渗时间缩短。
With increasing pore fraction of CuW compact, the resistance to infiltration decreases and the infiltration time becomes shorter.
桶形基础采用负压沉贯法施工,与压桩、打桩等施工方法显著不同,且阻力特性受地基性质影响很大。
The bucket foundation suction penetration technique is different from the pile driving technique, and the characteristics of penetration resistance is greatly influenced by the seabed character.
目的PTT是一项反映周围血管阻力和胸腔内压变化的无创指标,因此和微觉醒相关的血压改变可通过PTT检测。
Objective Pulse transit time (PTT) is a non-invasive index which reflects changes in peripheral vascular resistance and intra-thoracic pressure.
在不改变心率、心输出量及肺动脉楔压(除非有心衰存在)的情况下降低总外周阻力。
Total peripheral resistance is lowered without altering heart rate, cardiac output, or pulmonary wedge pressure (unless heart failure is present).
用压差调节阀形成的压差克服蒸发器内制冷剂的流动阻力,把低压液体制冷剂超量供入蒸发器。
Using the pressure difference formed by pressure difference regulating valve, overcome flow resistance of refrigerant in evaporater, supply excess low pressure liquid refrigerant for evaporater.
结果显示,由于矩形形貌的影响,形成了压差阻力,压差阻力随形貌突起高度或密度的增加而增大,随突起占空比的增加而减小。
The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.
对改良的干法压裂液这种非牛顿流体的摩擦阻力特性的正确认识,关系着干法压裂技术的有效实施。
Whether we can correctly understand the frictional resistance characteristics of the modified dry fracturing fluid or not would influence the fracture technology's effective implementation.
对改良的干法压裂液这种非牛顿流体的摩擦阻力特性的正确认识,关系着干法压裂技术的有效实施。
Whether we can correctly understand the frictional resistance characteristics of the modified dry fracturing fluid or not would influence the fracture technology's effective implementation.
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