The prediction and forecasting of coal and gas outburst is a complicated and knotty problem.
煤与瓦斯突出预测预报是一个十分复杂而棘手的问题。
The structure and functions of self-developed database system for forecasting gas load are introduced.
介绍了自主开发的燃气负荷预测数据库系统的结构与功能。
BPneuralnetworkbased load forecasting model of natural gas is presented, and in this model all the factors that influence the natural gas load change are taken into account.
提出了一种基于BP神经网络的天然气负荷预测模型,模型中考虑了影响负荷变化的各种因素。
Based on historical data of Shaanxi natural gas network system, static and dynamic simulation and load forecasting of natural gas system has been researched in this thesis.
本文依据陕西省天然气管网系统的历史数据,对天然气管网系统稳动态仿真和天然气短期负荷预测进行了研究。
The main geologic factors which influence gas hosting in Haizi coal mine are systematically analyzed in this paper, leading to forecasting of coal mine gas gushing and outbrusting.
系统地分析了影响海孜煤矿瓦斯赋存的主要地质因素,对煤矿瓦斯涌、突出预测有一定的指导意义。
The forecasting results reveal that it is a feasible way to apply the forecasting model on disposing the data of gas consuming quantum in zinc refining process and its precision is high.
实际预测结果表明,这一模型对于锌精炼过程的煤气消耗量的预测具有较高的精度,这为锌精炼过程的煤气消耗量预测提供了新的方法。
The new maths model can be apply to forecasting of line drive gas injection, and can be popularized to five-spot and other areal well pattern.
本文所建立的数学模型可以进行行列式注气井网开发指标的预测,也可以推广应用于五点法和其它面积井网注气开发指标计算。
The forecasting of city network hourly gas load plays an important role in ensuring the consumption of the gas network, in optimizing the modulation of network, and in the equipments maintenance.
城市燃气小时负荷的预测对于保证管网用气量,进行管网的优化调度,设备维修具有极其重要的意义。
With view to the recent demand in gas market in China, a kind of software is designed for forecasting the peak-load gas regulation.
考虑近期我国燃气市场的需求,开发了城市燃气调峰负荷预测软件系统。
Secondly, the forecasting methods of gas emission are studied fully.
其次,对瓦斯涌出量的预测方法进行了较为全面的探讨。
The developing trend of coal and gas outburst forecasting theory is non-contact continuously dynamic space forecast.
非接触连续动态空间预测是未来煤与瓦斯突出预测理论的发展趋势。
The method of forecasting natural gas water content balancing with hydrate is described in this paper.
本文描述与水合物呈平衡的天然气中水含量的预测方法。
Based on the grey system study of oil and gas information, the grey positioning method for forecasting geophysical anomaly of oil and gas trap is put forward.
基于油气信息灰色系统研究,提出了油气物探异常灰色定位预测法。
Then it can overcome some defects of the traditional forecasting method and fast accurately get the forecasting result to apply nerve network theory to the gas-dispatching forecast.
将神经网络理论应用于燃气调度预测之中,能克服传统预测方法的一些缺陷,快速、准确地得到预测结果。
A BPneuralnetworkbased load forecasting model of natural gas is presented, and in this model all the factors that influence the natural gas load change are taken into account.
提出了一种基于BP神经网络的天然气负荷预测模型,模型中考虑了影响负荷变化的各种因素。
By a practical example, the set-pair method is good for forecasting coal-gas emerging, and it is a convenient and reasonable method of analyzing gray system.
实例表明,集对分析方法能够较好地预测煤与瓦斯突出的可能性,是预测灰色系统的一种方便、合理的方法。
The result of analysing the gas dissolved in insulating oil can be used for forecasting inner faults in oil filled electric equipments.
分析油中溶解气体能提前预报变压器等充油电气设备的内部故障。
Based on analysis of elemental sulfur deposition mechanism and theory of gas stable flow, a new model for forecasting sulfur deposition has been founded.
通过对元素硫在高压酸性天然气中的析出沉积机理分析,利用气体的稳定渗流理论,建立了元素硫析出沉积预测模型。
For a water drive tight gas reservoir, the accurate calculation of water influx is an important job for forecasting water invasion performance and preventing aqueous phase trapping damage.
在致密气藏开发过程中,水侵量的准确计算是预测水侵开发动态及防治水相圈闭损害的重要内容。
A novel artificial network model based on fuzzy-rough set for gas emission forecasting of coal is proposed in the paper.
本文建立了基于模糊粗糙集的神经网络预测模型,对瓦斯涌出量进行了预测。
Based on the research of gas producing method selection and optimization of production parameters at home and abroad, forecasting model of gas well productivity is optimized using field documents.
采气方式优选和生产参数优化是气井合理生产的保证,而气井产能研究是确定采气方式和优选采气参数的基础。
Such discover presents some bases for forecasting the development zone of fractures in an old gas field, and for the second exploration and exploitation.
这一发现为老气田裂缝发育带的预测和二次勘探、开发提供了依据。
This method is easy to realize on a computer and has been applied to the research of forecasting the oil and gas reserve in practice.
该方法易于计算机实现,并已实际应用于油气储量预测研究中。
Mary mathematic models have been applied to forecasting production rate and cumulation of oil and gas reservoir.
在油气田产量预测中,已相继出现了众多的预测模型。
In this paper, the atmosphere control of gas firing tunnel kiln in ceramic industry is studied. A new forecasting -control method is developed, and its simulation is carried out by computer.
本文对陶瓷工业燃气隧道窑的气氛控制问题进行了探讨,提出了一种预报前馈控制的新策略,并进行了计算机仿真。
The research of reservoir forecasting is very important for looking for petroleum and gas according to the seismic attribute.
根据地震属性来进行储层预测的研究,对于寻找油气具有十分重要的意义。
The geological structure forecasting is important work in prevention and cure of coal and gas outburst.
地质构造预测是防治煤与瓦斯突出的重点工作。
Based on these, multiple linear regression, LMBP, MOBP, VLBP and BRBP model are used to forecast oil-gas prospecting cost, and each of their forecasting performances is compared.
在此基础上,采用了多元线性回归模型、LMBP模型、MOBP模型、VLBP模型与BRBP模型对油气勘探成本进行预测,并对各模型的预测性能进行了比对。
The absolute permeability rate of coal and relative permeability rate of gas-water are the necessary parameters for forecasting the birth rate of coalbed methane and water in mining.
煤的绝对渗透率、气-水相对渗透率在预测煤层气开采中甲烷和水的产率是极为必要的参数。
The absolute permeability rate of coal and relative permeability rate of gas-water are the necessary parameters for forecasting the birth rate of coalbed methane and water in mining.
煤的绝对渗透率、气-水相对渗透率在预测煤层气开采中甲烷和水的产率是极为必要的参数。
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