With a drop in formation pressure, the parameters which closely related to the flow coefficient of the exponential deliverability equation are varied, such as gas deviation factor, gas viscosity, reservoir permeability, effective thickness and so on.
随着地层压力的下降,与指数式产能方程流动系数密切相关的参数,如天然气偏差系数、天然气粘度、气层渗透率、有效厚度等都是变化的。
On the basis of analysis of the raw materials,using the fineness modulus of aggregate mixture,the deviation factor of synthetic gradation and objective gradation as technical indexes,the best aggregate ratio is attained through the application of computer operations.
在骨料原材料分析的基础上,以合成级配与目标级配的偏差系数、骨料混合料的细度模数作为技术指标,通过计算机应用程序的运算,获得定量化的骨料最佳级配。
A bias factor is commonly used to account for the effect of differences in failure criteria on reliability of pile foundations.
为了评估不同失效准则对基桩可靠度的影响,传统的方法是引入失效准则偏差系数。
For this purpose,a bias factor defined with respect to S-lgt criterion is introduced;and one.
为此,以S-lgt失效准则为基准,引进了失效准则的偏差系数的概念,根据一组实测钻孔桩数据对另外6种失效准则的偏差系数进行了评估,进而进行了可靠度分析。
The friction factor between the prestressed wires and the metallic corrugated pipes and the bias factor of pipleline are determinated.
通过对某立交桥现浇后张预应力混凝土箱梁预应力钢束的摩擦损失试验 ,测试并理论计算了预应力的摩擦损失 ,推导了该桥预应力钢束与金属波纹管之间的摩擦系数和管道偏差系数 ,指出现行《公桥规》以及当前设计工作中有关预应力摩擦损失计算的不足 ,并提出相关建
Study on Interpolation and Prediction of GPS Satellite Clock Bias in Precise Point Positioning
精密单点定位中GPS卫星钟差内插与预报研究
An Improved for the of Real-Time GPS Satellite Clock Bias Prediction Based on Grey Model with Exponent Coefficient
附有指数系数的灰色模型及其在实时GPS卫星钟差预报中的应用研究
Research on Densification Methods for Precise Clock Bias of GPS Satellites
GPS卫星精密钟差的加密方法研究
RESEARCH ON CLOCK ERROR PREDICTION FOR ATOMIC CLOCKS LOADED ON GPS BLOCK IIR(M) SATELLITE CLOCKS
GPS Block IIR(M)星载原子钟钟差预报研究
GPS Synchronization Clock Study in Power System;
电力系统GPS卫星同步时钟装置研究
Precision Analysis on Orbit and Clock of GPS Satellites Broadcast Ephemeris
GPS系列卫星广播星历轨道和钟的精度分析
The Analysis of Frequency Stability's Presenting Methods for Atomic Clocks of GPS Satellites
GPS卫星原子钟频率稳定度表征方法分析
Effect and Analyse of Broadcast Ephemeris Errors on GPS Survey Precision
卫星星历误差对GPS定位精度的影响与分析
Analysis on GPS satellite clock error linear prediction from IGS ultra-rapid products
基于IGS超快星历的GPS钟差线性预报分析
Incomplete constellation positioning method for GPS receiver augmented with clock bias model
基于时钟偏差模型的GPS不完整星座定位方法
APPLICATION OF ARIMA(0,2,q)MODEL TO PREDICTION OF SATELLITE CLOCK ERROR
ARIMA(0,2,q)模型在卫星钟差预报中的应用
On the Second Order Clock Bias Model in Orbit Determination for the MEO Satellite
单颗MEO卫星定轨中的二阶钟差模型
A Study of the Orbit Determination of GPS Satellite Using Zero-Difference Observation;
利用非差观测量确定GPS卫星轨道的方法研究
Effect of the Error of Satellite Position on GPS Common-view Time Transfer
卫星位置误差对GPS共视时间比对的影响
Research on the Methods and Key Techniques of Pseudolite Augmented DGPS
伪卫星增强的差分GPS方法及关键技术研究
The Interpolation Methods for Satellite Coordinate and Clock Offset Based on IGS Precise Ephemeris
基于IGS精密星历的卫星坐标和钟差插值
A Study of Reduced-dynamic Orbit Determination Using Undifferenced Observations Onboard GPS for Earth Satellites;
基于星载GPS非差观测值的低轨卫星简化动力学定轨理论研究
horizontal-time dilution of precision
钟偏差系数(gps用语
