A mathematical model for prediction and diagnosis of the behavior sucker rod pumping system in directional and horizontal wells 定向水平井有杆泵抽油系统动态参数诊断和预测的数学模型
Mathematical Model in Prediction and Evaluation of the Effects on Control Measures for Schistosomiasis 通过数学模型预测和评价血吸虫病控制措施效应的理论探讨
Mathematical simulation and prediction of the navigable channel-bar of the Changjiang River Estuary 长江河口航道拦门沙冲淤变化的数学模拟和预测
A mathematical model of on-line prediction of bottom and hearth in blast furnace by boundary element method was established. 通过边界元法建立了高炉炉底炉缸传热数学模型。
The model of non-stable time series raised by Box-Jenkins is applied to give a mathematical prediction of the deformation tendency. 采用Box-Jenkins非平稳时间序列模型,对码头的变形趋势进行了中、短期时间预测。
A mathematical prediction model of calcium in tobacco with FT-NIR spectrometry was established. 采用傅立叶变换近红外(NIR)光谱法建立了烟草中钙含量的NIR数学预测模型。
A fast half-pixel motion estimation algorithm is proposed after analyzing three different mathematical prediction models based on concave functions. 分析了三种不同的凹函数预测模型,提出了一种适合硬件实现的运动估计快速半像素级搜索算法。
Mathematical model and prediction of epidemic trend of SARS SARS传播数学模型与流行趋势预测研究
The final analysis shows that the same result comes from the four mathematical prediction methods and the mathematical methods of both fuzzy cluster analysis and gray cluster analysis can be used in forecasting and predicting coal and gas outburst, while the possibility of occurring is a little different. 由对比分析可知,采用4种数学方法预测预报煤与瓦斯是否突出,给出的结论是一致的,只是预测预报是否发生的可能程度略有差别。
A quantitative analysis with a mathematical prediction model indicates that the factors influencing the dam body strain in the vertical direction are mainly the deadweight of the dam body, and secondly the water level, and the time effect and temperature factor are insignificant. 预测数学模型的定量分解结果认为,影响坝体垂直向应变的主要因素是坝体自重,其次是水位,时效及温度对坝体影响较小。
The Mathematical Modeling and Prediction of SARS Transmission SARS传播预测的数学模型
A mathematical model suggested the prediction at density under seven different conditions. 给出7种不同条件下预报鼠密度的数学模型。
Mathematical model for prediction of solvent diffusion in amorphous glassy polymer 均相玻璃态高分子中溶剂扩散系数的数学模型
This paper suggests introducing the mathematical principle of regression prediction to study this issue, this method is proven easy and applicable. This paper uses instances to further explain and eventually realizes the prediction to residual service life of bridge structures. 提出了引入回归预测这一数学原理对该问题进行研究分析,方法简单适用,文章最后运用实例加以说明,最终实现了桥梁结构剩余使用寿命的预测。
Secondary flow losses in plane turbine cascades and its mathematical prediction model 涡轮直列叶栅中二次流损失预测模型
Mathematical Model and Prediction of Money in Circulation 货币投放量的数学模型与预测
With detailed regard to the vehement fluctuation of particles and bubbles motion, the particle heat transfer process is modeled mathematically, with the effective model successfully established by the authors, satisfactory coincidence is attained between the mathematical prediction and the experimental results. 本文作者提出了考虑流化床内气泡运动,颗粒的小尺度随机湍动影响因素在内的流化颗粒传热数学模型,所得计算结果与实验结果甚为吻合。
Studying on the basic equation of the mathematical model of prediction of groundwater by simulation experiment 地下水环境中污染物迁移预测实验数学模型基本方程探讨
Application of BP neural network in combination with mathematical models to prediction of plate crown BP神经网络和数学模型在中厚板板凸度预报中的综合应用
The mathematical description of the prediction and the related empirical formula are presented. 本文给出了预测方法的数学描述及有关经验公式。
Mathematical Model for Prediction of Bottom and Hearth of Blast Furnace by Boundary Element Method 基于边界元法的高炉炉底炉缸侵蚀模型
It is able to judge the dangerous state of active landslide and predict the time of landslide combining with mathematical prediction model and provide scientific basis for working out counter-measure of hazard protection and Lazard reduction. 运用此方法可随时判定活动性滑坡的危险状态,结合其它数学预报模型进行滑坡时间预报,为防灾减灾对策的制订提供科学的依据。
Mathematical Model for Prediction of Pyrolysis and Ignition of Wood Under External Heat Flux 外界热辐射作用下木材热解和着火的预测模型
Mathematical Problems in Prediction and Controlling of Climate and Environmental Systems 气候与环境预测和调控中的数学问题
A mathematical model for prediction of working gas volume of this kind of underground natural gas storage was put forward via taking advantage of experience of aquifer gas storage in foreign countries on the basis of material balance principle. 文章通过借鉴国外含水层储气库注采运行的经验,在物质平衡原理基础上,提出了描述裂缝性碳酸盐岩块状底水油藏改建地下储气库工作气量预测的数学模型。
Mathematical simulation and quantitative prediction of global change process 全球变化过程的数学模拟和定量预测
The mathematical models for prediction of N 、 K 、 Ca 、 Mg in tobacco root were developed by near-infrared spectrometry and their coefficients of determination were 0.963,0.936,0.973, and 0.973, respectively. 利用近红外(NIR)光谱仪建立了烟草根中N、K、Ca和Mg的数学预测模型,其决定系数分别为0.963、0.936、0.973和0.973。
To overcome the non-uniformity of slot option in DCF, the improved algorithm used a parameter sequence for describing the network load changes, then obtained a control parameter to improve the slot option by mathematical prediction processing on the sequence. 针对DCF退避算法中时隙选择方案的不均匀性以及由此带来的网络性能不佳,改进算法引入参数序列对网络负载变化情况进行描述,对该序列运用数学预测的方法得出改进时隙选择方案的控制参数。
As an illustrative instance, a fast half pixel accuracy motion estimation algorithm based on mathematical prediction models is proposed in this paper. 本文以半象素级快速运动估计算法为例,介绍了提出的基于数学模型预测的快速半象素块匹配算法。
On this basis, it developed a mathematical model for combining prediction software. 在此基础上结合数学模型开发出了预测软件。