The finite element numerical simulation method is an effective method in quantitatively forecasting reservoir structural fractures and determining the spatial distribution of fractures 有限元数值模拟法是对储层构造裂缝进行定量预测并确定其空间分布的一种有效方法。
The comprehensive information system for mineral resources prediction is a quantitive prediction aptitude gis of large scale mineral resources targets , which is suitable for the crisis mines 摘要综合信息矿产预测系统是一个可用于大比例尺矿产靶区定量预测的智能化地理信息系统,因而应用在危机矿山上更有实效。
With the new index , the intension of rockburst and the position and extent of failure zone can be predicted quantitatively during rockmass excavation under high geostress 该指标可更好地定量预测高地应力下地下工程开挖过程中岩爆发生的强度、破坏位置与范围,由该指标求出的围岩释放能又可作为地下工程开挖方案的优化指标。
The paper successfully forecasts the petroleum seaborne volume of china in 2010 with system dynamic and other forecast methods . it is the attempt in the field of freight volume forecast with system dynamic 本文成功地将系统动力学的方法和其他定量预测方法相结合,对2010年中国石油进出口海运量进行了预测,取得了较为理想的效果。
To methods of financial management , impc should use quantity prediction , should build system of overall budget , especially budget analysis and feedback system , should establish financial management control system 公司应多采用定量预测法。要形成全面预算体系,同时预算的编制要精,延伸时间要长,并建立预算差异分析制度和报告制度。
Researched the qualitative analysis of sales trend adopted some technical curves , and the quantitative analysis of sales trend by average grey exponent model , which is established in this paper 从定性预测和定量预测两个角度对销售量进行了预测分析。采用多种技术曲线进行定性预测。提出平均灰色指数模型,对中长期的销售量进行定量的预测。
Based on specific characteristics of techniques and information from mature oilfield development , the research thought , method and key procedure of integrating depositional microfacies modeling with facies - controlled reservoir parameter prediction are proposed 根据成熟开发油田的技术、信息特点,提出了沉积学微相建模与参数定量预测的思路、方法和主要步骤。
The commonly used quantitative forecasting method mainly includes the model of time series and cause - effect model , which need to set up corresponding mathematics model according to the historical materials and to makes prediction of the development trend of the logarithm row 常用的定量预测方法主要包括时间序列模型和因果模型。这些模型都是根据历史资料建立相应的数学模型,对数列的发展趋势做出预测。
In the study of quantitative forecast models , composition analysis for three different time series are firstly investigated by statistic test methods . the conclusions are as follows : there is no evident tendency for above three series , and evident periodicity exist only in precipitation series 在定量预测模型研究中,先对三个不同系列进行时间系列的组成分析,结果表明:三个系列均无趋势存在,降水量系列有明显周期存在,但年最高潮位系列无周期。
After comparision of the shortage of qualitative and quantitative prediction methods , i establishe multi variable regression equation as the method to predict the prices . i established the model and check it up under the ground of multi variable regression analysis and the collected data 在比较了许多定性预测与定量预测方法的优缺点后,选定了建立多元回归数学模型,作为价格预测的方法。按照多元回归分析建模的要求和步骤,收集整理资料,建立模型并进行模型检验。