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But the building safety incidents' reasons are complex, the qualitative analysis is easy, the quantitative analysis is difficult, the common forecast model is tendency analytic method, return analytic method, index smoothing procedures and so on.

论文《灰色理论及神经网络在建筑伤亡事故预测中的应用研究》以1994-2007年全国建筑业死亡人数为基础数据,建立了灰色预测模型和BP神经网络预测模型,对2008的建筑业死亡人数进行预测

The factors affecting postfrac productivity are discussed in the paper. The grey associability ordering indicated that the postfrac productivity was lowly correlated with the permeability interpreted by the original log data and mainly influenced by porosity, then effective thickness, and then shale content and formation pressure. In light of the genetic neural network method, the productivity of gas well was predicted by use of the log data through programing and model training. The error detecting result proved that the model was reliable and a good application effectiveness was obtained.

文章对压后影响产能的因素进行了讨论,灰关联度排序表明,压后产能与原始测井解释的渗透率关联性小,而主要影响因素依次是孔隙度、有效厚度、泥质含量和地层压力;引用遗传神经网络法,编制预测程序,利用测井资料通过模型训练,对气井的产能进行预测,误差检验验证了模型的可靠性,取得了良好的应用效果。

For the limitations of the traditional algorithms that can not be reasonably used to predict the traffic, this paper adopted the BP neural network and curvilinear regression coupling algorithms to add the inadequate.

摘 要:针对传统交通量预测方法中的局限性,采用BP神经网络与曲线回归耦合算法,用BP神经网络对历史数据训练,利用曲线回归对各因素待测年份之值进行预测,将各因素的预测值带入已训练好的BP神经网络中,即可得到未来交通量的预测值。

The remainder of the smoothed monthly sunspot numbers of cycle 23 is given by using the method, and a comparision of this mthod with the similar cycle method is given as well.A basis for the determination of minimum time of a solar cycle and a basis for the determination of maximum time of a solar cycle are given.

利用已知的22个完整太阳活动周平滑月平均黑子数的记录,给出了对正在进行的太阳活动周发展趋势进行预测的方法,并应用于第23周,同时与其它相似周方法给出的预测结果进行了比较。

It gains better performance on periodical attacks over non-periodical attacks. IEEW is more suitable to DoS attacks. By constructing characters on normal flow, SMEW predicts unknown attacks with anomaly flow.Proposing an Intrusion Response Technical ArchitectureMost of active intrusion response technologies are covered.

前者依据特定攻击发生的历史规律,预测网络攻击的未来发生次数,同时分析了时间粒度对预测结果的影响,以及算法对周期性攻击和非周期性攻击的预测效果;后者通过建立正常流量测度指标,对新型攻击的发生进行预测

The spring back in the distortion process was predicted by finite element method, and the predicted results were analyzed to find out the reason lead to spring back, and so as to precompensate the spring back.

利用有限元仿真对其变形过程中的回弹进行预测,并对预测结果进行研究,找出回弹根源,从而对其回弹进行预先补偿。

Then I seriate the decision function in the progress of SVM, accordingly the Simple Forecast arithmetic, which is used to solved the SFM,will be developed.

本文用简单预测算法对大量的股票数据进行了试验,并从中选择较为典型的几个实例来说明用简单预测算法在对股票价格进行预测过程中需要注意的问题。

In order to improve the precision of the reservoir prediction, the techniques of forward and backward predictions of reservoirs were used to predicate the trachyte reservoirs in Block Ou51 in Oulituozi Area, and the predicted result was used in the production to guide the arrangement of the 3 appraisal wells, high oil and gas flow was obtained in the encountered trachyte reservoirs.

为提高该类油藏储层裂缝预测的精度,应用构造正、反演裂缝预测技术,对欧利坨子地区欧51区块火成岩的粗面岩储层进行预测,并将预测结果应用于生产,指导部署的3口评价井,钻遇粗面岩均获高产油气流。

The results show that the calibration model established with firstderivative preprocessing spectra was the best, 18 samples of tested set were predicted with this model, the relative standard errors for the prediction of ami no nitrogen, total acid, salt content and color ratio were 1.516%, 1.811%, 1.798% and 1.893%, respectively.

结果表明,采用一阶导数预处理光谱建立的数学校正模型能得到最佳的预测效果,在对预测集18个样本中的氨基酸态氮、总酸、食盐的含量和色度进行预测时,所得的预测集相对标准偏差分别为1516%, 1811%, 1798%, 1893%。

The tree diameter at breast height and crown length can be used to predict the size and location of mean knot diameter in a whorl.A linear mixed model expressed as function of tree and knot variables such as HK、RKD、KD and DBH was used to predict sound knot length,and a log-linear mixed model using RKD and DBH as variables was used to describe loose knot length.4.A knot has four development phases:from the birth of a branch to its growth cessation,from growth cessation to death,form death to occlusion and form birth to occlusion.The numbers of annual rings in four periods,as well as the stem width of respective zones were used as dependent variables predicted by models expressed as function of tree variables and knot attributes.5.Using the data of diameter out side bark of 15 relative heights along the step,the best taper equation for Larix olgensis was established.

节子平均直径可以用以胸径,冠幅和节子高度为参数的舒马克生长方程来预测,用树木胸径和冠长可对每轮节子平均直径的最大值及位置进行预测;健全节长度可用以节子着生高度、相对直径、节子直径以及树木胸径为参数的线性混合模型来预测,疏松节长度采用节子相对直径和胸径为自变量的可转化为线性模型的自然对数模型来预测;4、节子有四个生长发育时期:从枝条形成到生长停止BC从生长停止到死亡(CD从死亡到包藏DO从形成到包藏

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I think he's learned how to approach hitters....

Johhny Damon说,『他已是最好的了,再没有人能够比他做的更好,我想他的球技已经完全成熟了,而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上,一个18尺眼镜蛇王其实可以俯视到的平均人。

I used this great program before and I think it is one of the best Registry cleaners out there.

我用这个伟大的计划,而我认为这是一个最好的注册表清理那里。