The critical production pressure drop and critical output during sanding in oil Wells were gained by the calculation with the channel sanding prediction model.
通过孔道出砂预测模型的计算，得到了油井出砂时的临界生产压差和临界产量。
The model can be applied for online prediction or off-line calculation, which provides an important basis to evaluate the security and reliability of power plant boiler.
模型即可用于在线预测也可用于离线分析计算，为锅炉安全性与可靠性评价提供重要依据。
The study shows that this prediction model has features of clear concept, simple calculation and better reasonability and practicability, is a fine prediction method.
研究表明，该预测模型概念清晰、计算简单，具有较好的合理性与实用性，是一种较为精细的预测方法。
The key to a successful calculation and prediction of welding process by mathematical model method is the selecting of an appropriate model and its parameters.
用数学模型方法进行焊接过程的计算和预测，关键是选取合适的计算模型和模型参数。
The results show that the model GM (1, 1) is a practical method of prediction with simple calculation and reliable results.
结果表明，GM(1,1)模型计算简单，是一种实用的预报方法，预报结果比较可靠。
A cumulation damnification model is introduced. The formulae of structure fatigue lives prediction are deduced to form the basis of the following calculation and analysis.
介绍了疲劳累积损伤模型，并对不同载荷谱作用下的结构疲劳寿命预测公式进行了理论推导，为后面的计算分析奠定了理论基础。
The calculation results of examples showed that the model is accurate and reliable for the prediction of the aerial target tracks, especially when the data is limited.
通过实例计算表明：在数据有限的情况下，该模型用于航迹预测效果明显。
Then, calculation models for each parameter in the operating range prediction model were established and analyzed.
然后建立了模型中各个参数的计算模型，并进行分析。
It has been verified by practice that this model is fast and accurate in calculation, and worth of spreading in production prediction.
通过实际验证，该模型具有运算速度快、准确率高的特点，是一种具有推广价值的产量预测方法。
The model is a real time computer model for the calculation and prediction of hot metal temperature in the torpedo car and calculation of refractory lining temperature of empty car.
该模型可以实时计算和预测重罐时的铁水温度，以及空罐时的罐衬温度。
The actual prediction ability of BP network model is improved and training velocity is increased by adding momentum factor and using the weight control calculation in the BP network model.
BP网络模型在加入动量项和引入权值控制算法进行改进后，不但预测能力有所改善，网络的训练速度也有了很大的提高。
The paper establishes a gray prediction model of the coauthor rate of the periodical thesises of Chinas medical and health science by means of the computer aided calculation.
文章采用计算机辅助建立灰色预测模型的方法，建立了中国医药卫生科学期刊论文合著率指标的灰色预测模型。
The paper establishes a gray prediction model of the coauthor rate of the periodical thesises of Chinas medical and health science by means of the computer aided calculation.
文章采用计算机辅助建立灰色预测模型的方法，建立了中国医药卫生科学期刊论文合著率指标的灰色预测模型。
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