effective pressure
英 [ɪˈfektɪv ˈpreʃə(r)]
美 [ɪˈfektɪv ˈpreʃər]
网络 有效压力; 压力为; 有效压; 有效声压
双语例句
- The results show that the engine speed and brake mean effective pressure ( BMEP) have great influences on emissions.
结果表明：发动机转速和平均有效压力对污染物排放有较大影响； - Dissel mean effective pressure
狄塞尔平均有效压力 - They tried to organize themselves into a really effective pressure group.
他们试图组成一个真正有效的压力集团。 - Talking about the Influence of Effective Pressure on Low Permeating and Porous Medium Permeability;
在低渗介质中，流体渗流往往表现出对达西定律的一定偏离。 - The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initial effective pressure was considered.
模型对传统修正剑桥模型中的剪胀性公式进行了改进，考虑了状态转换应力比与初始有效围压的相关性。 - Effective permeability is introduced here to describe the simultaneous flow of more than one fluid. Coefficient of sensitiveness between permeability and effective pressure of coal samples
有效渗透率描述多种流体同时流动的情况。煤样渗透率对有效应力敏感性实验分析 - Analysis on Effective Pressure Difference due to the Stack Effect for Sloping Tunnels
坡度隧道的火灾烟囱效应的升压力分析 - Analysis on concrete dams based on the concept of generalized effective stress Coefficient of sensitiveness between permeability and effective pressure of coal samples
基于广义有效应力原理的混凝土坝分析煤样渗透率对有效应力敏感性实验分析 - During the exploitation process of the coal-seam gas, with the seam pressure decreasing and the effective pressure increasing, the coal-seam permeability declines.
在煤层气开发过程中，随着储层压力下降，有效压力增加，煤储层渗透率下降。 - The effective permeability is stated as some numerical value at some given saturate conditions. Coefficient of sensitiveness between permeability and effective pressure of coal samples
有效渗透率用在一定饱和条件下的数值表示。煤样渗透率对有效应力敏感性实验分析 - The results showed that when EGR ratio was increased, an associated consequence of it was the reduction in the mean effective pressure, power output and thermal efficiency of the engine.
结果表明，柴油机采用EGR后，由于废气的引入，使柴油机的平均有效压力、输出功率和有效热效率随着EGR率的增加而降低。 - This formula describes the integrated influence of effective pressure, porosity, permeability and rock density on the acoustic travel-time differences.
这个最佳拟合经验关系式描述了有效压力、孔隙度、渗透率和岩石密度对声波时差的综合影响。 - The results show that standard deviation and coefficient of variation of indicated mean effective pressure are the best parameters.
结果表明，平均指示压力的标准差及变动率是评定内燃机压力循环变动的最佳参数； - Then, the normal working parameters of this engine can be simulated, such as the compression pressure, maximum combustion gas pressure, and effective pressure and so on.
由此得到柴油机稳态工作过程的工作特性参数，如压缩压力、最高爆发压力和平均有效压力等参数。 - In the light of the relation between rock velocities and confining pressure and pore pressure, the concept and formula of effective pressure is cleared in this thesis.
本文针对岩石的弹性波速度与围限压力和孔隙压力的关系，澄清了有效压力的概念和计算公式。 - Influence of effective pressure on the physical property in low permeability deformation reservoir
有效压力对低渗透变形介质油藏物性的影响 - After analyzing the limitation of the traditional pore pressure prediction methods, a new method based on the effective pressure theorem and the acoustic velocity model was proposed.
在分析地层孔隙压力预测传统方法局限性的基础上，提出了一种基于有效应力定理和声波速度模型的地层孔隙压力预测方法。 - Experiments show that the velocity of sonic waves is sensitive to pore fluid in sediments of weakly cemented or low effective pressure.
实验结果表明：在弱颗粒间胶结物和低有效应力的固结差的沉积物中，声波对孔隙流体性质较敏感。 - Based on the effective pressure equilibrium principle, two formulae to calculate the discharge volume and the velocity pressure power of air curtains are presented.
本文以有效压力平衡原理为基础，对空气幕需风量、动压功率与其它参数之间的关系进行了分析并给出了具体表达式。 - On the base of large experimental data set, the influence of effective pressure on rock velocities is analyzed with regression method and the theory of crack closure.
根据大量的实验资料，本文分析了砂岩样品的纵横波速度和有效压力的关系，对实验结果进行了回归分析，并用裂隙闭合理论进行了解释。 - However, at the fixed effective pressure level, the effect of temperature on the porosity of sandstone is very small.
而在有效应力水平一定的条件下，温度对砂岩孔隙度的影响却很小。 - Unlike the effective pressure, mono-axis pressure will cause velocity anisotropy.
和有效压力不同，单轴压力会引起岩石弹性波速度的各向异性。 - Experimental study on coefficient of sensitiveness between percolation rate and effective pressure for low permeability rock
低渗透岩石渗透率对有效应力敏感系数的试验研究 - With the development of charging technology to high pressure ratio, in order to improve the matching characteristic of charger and diesel engine and raise diesel engine's mean effective pressure, much experimental investigation will be done.
随着增压技术向高增压比方向的发展，为了进一步完善柴油机与增压器的匹配性能和提高柴油机的平均有效压力，需要进行一系列增压系统试验研究。 - The calculation method of primary wave and second wave speed were studied when the oil saturation and effective pressure of unconsolidated sandstone reservoir with high porosity in X Oilfield changed.
研究了X油田高孔低胶结砂岩储层在含油饱和度和压力变化时纵、横波速度计算方法，并将计算数据与实际测井资料进行了对比。 - The regulation of mechanical power loss, the ratio of mechanical power loss, mechanical efficiency, mean mechanical effective pressure, the ratio of mechanical loss varying with the rotation and the temperature of coolant were analyzed.
分析了发动机各零部件和整机的机械损失功率比、机械损失功率、机械效率和平均机械损失压力随发动机转速和润滑油温度变化的规律。 - At last, the least square method is used to the all experimental data, getting the optimal effective pressure coefficient to make the permeability results correlate well with the effective pressure. The mutual effects of confining pressure and pore pressure on permeability have been described.
利用最小二乘法在整个围压和孔隙压变化域对渗透率实验数据进行函数拟合，寻求最优有效压力系数使渗透率和有效压力相关性最好。 - Small Diesel Engine torque harmonic amplitude and mean effective pressure was between 3 powers.
中小型柴油机简谐力矩幅值与平均有效压力也呈3次方关系。 - Once remaining oil is formed, it is impossible to establish effective pressure gradient to drive it out.
一旦剩余油在孔隙中形成，就无法建立有效的压力梯度将其驱出。 - Some methods are introduced to process effective pressure signals in this paper. To achieve the power matching of the excavator power transmission chain using the signals processed means to achieve the power matching of hydraulic system and load and the power matching between engine and hydraulic pump mainly.
阐述了有效压力信号的处理方法，利用处理之后的有效压力信号如何实现挖掘机动力链的功率匹配，主要是实现发动机和液压泵的功率匹配和实现液压系统与负载的功率匹配。