运用改进的BP算法,建立了水泥强度预测模型。
Based on optimized BP algorithms, some prediction models are developed for cement strength.
将两种算法运用到混凝土立方体抗压强度预测中。
Then put two algorithms into predicting the compressive strength of concrete cubes.
这些电磁场的暴露估计由一种场强度预测程序来计算。
These exposure estimates were calculated with a field strength prediction program.
最后讨论了这些结果在台风强度预测方面的可能应用。
Finally we discuss the possible application of these results to typhoon intensity prediction.
此外,提出一种考虑腐蚀裕度的管道腐蚀剩余强度预测方法。
And finally, considering the erosion capacity of pipelines, a method with evaluating the remaining strength of pipelines is raised.
该算法提高了网络性能,在煤与瓦斯突出强度预测中取得良好效果。
It is concluded that GA-BP compound algorithm has improved the performance of ANN and good results nave bee obtained in coal and gas outburst intensity forecast.
选出了最优组合。(4)采用BP神经网络对混凝土强度进行强度预测。
Selected the optimal combination. (4) BP neural network used to predict the strength of concrete strength.
累积损伤方法已被广泛应用于复合材料的各种结构损伤分析及强度预测中。
The progressive damage method has been widely applied to analyze damage accumulation and predict strengths of all kinds of composite structures.
根据灰色系统理论,依据试验数据建立了海水作用下混凝土的强度预测模型。
Based on the Gray System theory and the test data, a strength forecast model of concrete in seawater is established.
最后本文对该系列柴油机活塞进行了强度预测评价,提出了相应的强化措施。
In the end, this paper carries on intensity prediction to the series supercharged diesel engines piston, have put forward the corresponding corresponding-measure.
上述数值模型运用于某一典型的工程节理岩体的强度预测,其结果是令人满意的。
The proposed numerical model was used to predict the strength of jointed rocks in a typical engineering project with satisfactory results.
因此可根据坯壳厚度合理地确定冷却强度及拉坯速度或由冷却强度预测坯壳厚度。
Therefore, the cooling intensity and the casting speed can be rationally determined by the thickness of strand shell.
通过对已有的钻芯、回弹试验数据的对比计算,其强度预测精度高于常规的综合方法。
Through comparison calculations between FNN simulation and traditional method using exiting test data, the predicted result of FNN is more accurate than that of the latter.
通过循环三轴试验建立了软粘土循环强度预测模型,并通过循环扭剪试验检验模型的稳定性。
A cyclic strength prediction model of soft clay is established through lots of cyclic triaxial test results.
结果证明了GOMPERTZ模型用于小区居民出行强度预测的可行性,以及具有一定的优越性。
The result has proven the feasibility, even as well as certain superiority of the GOMPERTZ model used in forecast of the traveling intensity of plot inhabitants.
利用高碳当量灰铸铁组织强度试验数据,提出了一种基于支持向量机理论的灰铸铁强度预测模型。
On the basis of the experimental data of microstructure and strength for gray cast iron with high carbon equivalent, a model of support vector machine for gray cast iron prediction was established.
强度预测时,根据实际数据自适应选择拟和模型,这样在大样本量混凝土强度预测中得到了较好的精度。
In this way, the forecasting accuracy of concrete strength inferences with smaller margins of error to many sample data has been...
研究结果可对复合材料连接结构的工程强度预测、校核提供算例和参考,并对各参数影响提供定量的概念。
The research can provide a reference for engineering strength prediction of composite joints, and offer a quantitative concept of the various influence factors.
为了有效地预测高速列车转向架构架的疲劳强度或寿命,提出了一种基于试验谱载荷的疲劳强度预测方法。
To forecast fatigue strength or fatigue life of the bogie frame of a high-speed train effectively, a method for fatigue strength forecasting based on tested spectrum loads was proposed.
还是在地震发生之前就准确预测时间、地点和强度更好一些。
Better still would be some way of accurately predicting the time, place and intensity of earthquakes well before they happen.
Vidale说:但是这些研究所能做出的预测仅限于底层活动所导致地震的频率以其强度,而不能预测出任何一个单一的地震事件的发生。
But such hazard predictions can go only so far, Vidale says. They can warn how often and how strongly the ground will shake, but they can't forecast the magnitude of any single event.
第二种情景,由于我们的世界相互连接相互依赖,危机爆发的频率、强度和不可预测性只会增加。
Second, the frequency, intensity, and unpredictability of our crises will only increase due to the interconnectedness and interdependence of our world.
你在奔跑时心率的起伏是可以预测的,因此你可以将它作为估计你跑步强度的一种参照工具。
Your heart rate during running rises and falls in a very predictable manner, and because of this you can use it as a gauge for different levels of running intensity.
通过多个方案对比研究,指出不同的预测数据和纠正措施将产生不同的项目开发强度临界控制方案。
Through comparison-study on several plans, it is pointed out that different forecast data and measures may lead to different development intensity critical control plans.
建立了预测单向复合材料纵向拉伸强度的随机核理论与模型。
The random crack core theory and model for predicting the longitudinal tensile strengths of unidirectional composites is built.
建立了预测单向复合材料纵向拉伸强度的随机核理论与模型。
The random crack core theory and model for predicting the longitudinal tensile strengths of unidirectional composites is built.
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