针对煤矿冲击矿压灾害,研究了冲击危险性的监测原理和冲击矿压危险的分级预测准则。
The monitoring principle and rule of classification forecasting rock burst have been studied aiming at the rock burst in coal mining.
不应以(昨天的)卖地结果作为预测未来地价和楼价的准则。
It was not advisable to predict land and property prices on the basis of the auction outcome.
会计选择是实证会计研究的重心,目的是试图解释和预测各种利益集团为何选择不同的会计方法或会计准则。
Accounting choice is the core of empirical accounting study, with the attempt to explain and forecast why different interests parties choose different account methods or accounting principles.
为了准确地预测铝合金板材成形极限,将韧性断裂准则引入到数值模拟中。
To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
目前已提出的韧性断裂准则预测板料成形极限,只在简单轴对称件中得到应用。
At present, some ductile fracture criteria are applied only to predict the forming limit in stamping forming of simple axisymmetric part.
试验验证结果表明,该准则可用于金属冷锻成型的破裂预测,并可指导冷锻成型工艺的编制及模具的调试。
It is shown by tests that the criterion can be used to predict cracking of metal cold forging, and to guide cold forging processes development and die adjustment.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则,提出了欠平衡钻井条件下井径扩大率的预测方法。
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
以岩石破坏准则为基础,采用岩石力学的理论和方法,建立了射孔完井临界出砂预测模型。
Critical sanding prediction model with perforated well completion was established using the theory and method of rock mechanics based on rock burst criterion.
针对基于向量夹角余弦准则下组合预测模型,研究它的基本结构特征。
In this paper, the basic structural characteristics of combination forecasting model is studied under the criterion of vectorial Angle cosine.
国家环保总局-定量的概率分布函数的两个可以使用其中的三个月平均UL TA运行为准则预测厄尔尼诺现象。
Sepa - ration of the two probability distribution functions allows the use of the three-month running mean of ULTA as a criterion for forecasting El Nino.
该算法采用交叉-准菱形搜索模板,并融合了搜索起点预测、半途中止准则和自适应搜索模式等技术。
The algorithm adopts a new cross-quasi-diamond search pattern and some effective techniques, which are composed of the prediction of initial search point, half-stop criteria and adaptive search modes.
结合矢量观测的特点,基于最小模型误差准则给出了一种确定卫星姿态的实时估计算法,称为预测滤波算法。
Considering the character of vector observation, a real time predictive filter based on minimum model error (MME) criterion is presented for satellite attitude estimation.
本文提出利用材料的力学性能参数,采用数值模拟与韧性断裂准则相结合的方法预测板材的成形极限。
This paper predicted the forming limit of sheet metals by using the mechanical property parameters of materials and combining the ductile fracture criteria with finite element simulation.
根据我国近30个大中型铜矿的多元素区域地球化学异常特征,初步总结出了矿田地球化学异常的预测评价准则。
Based on the characteristics of regional geochemical anomalies of 30 middle-large copper deposits, the prediction and evaluation criteria of geochemistry has summarized.
根据灰色系统模型的后验差检验准则,检验其是否适用于预测借阅量,检验结果表明模型的应用效果良好。
Then the after test rule verifies that grey system model has quite a good effect on the library loan prediction.
本文提出了基于预测平方和(PRESS)准则选取预报因子的逐步算法。
In this paper, the stepwise algorithm for selecting predictors on the basis of the criterion from prediction sum of squares (PRESS) are discussed.
提出了一种增强预测范围聚集查询epra算法,采用更精确的剪枝搜索准则,减少了查询所需要访问的节点代价。
Also developed for the PRA tree is an enhanced predictive range aggregate (EPRA) query algorithm which USES a more precise branch and bound searching strategy, reducing the disk I?
提出依据离差绝对值和准则,用目标规划建立多元线性预测方程,该方法优于回归分析。
Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.
然后建立时域上关于搜索块与参考块之间运动矢量夹角的概率模型,对于帧间预测宏块通过聂曼一皮尔迅准则进行运动判决。
For Inter-MB, a temporally statistical modal with regard to vector angle was established and the moving object was detected by using the neyman-pearson criteria.
该计算模型采用应变判断准则,可应用于在商品混凝土住宅楼板的早期开裂预测及控制。
The models apply strain criterion, and lay a foundation in predication and control of the early cracking of commercial house floors.
然后结合岩石破裂准则,对该区域的裂缝分布做出了有效的预测。
The fracture distribution of this area was predicted effectively combined with rock failure criterion.
提出了预测森林公园环境容量的临界准则,进而就环境容量的预测方法、指标等结合实例进行了探讨。
It presented a critical standard for forest park's environmental capacity prediction, and the method and index were studied based on a practical instance.
通过预测两组砂土真三轴试验结果,进一步地证实所提出强度准则的合理性。
By comparing with the experimental results of true triaxial tests on sands, the proposed strength criterion was validated to predict the strength of layered-anisotropic soils.
此算法基于多分辨率运动估计方案和新率失真模型进行预测模式快速选择,并结合带提前退出准则的快速搜索算法来加速搜索过程。
The multi-resolution motion estimation scheme and an efficient rate-distortion model are adopted with early termination rules to accelerate the search process.
根据熵理论计算各评价指标的权重,用置信度识别准则进行等级判定,得出预测结果。
The weights for indexes were calculated by entropy weight theory, and the result of coal seams outburst risk prediction can be obtained according to credible degree criteria.
建立J - A_2双参数断裂准则,对不同裂纹深度的管道进行弹塑性断裂预测。
According to the fracture rule with two parameters J and A_2, the fracture press values of some cracked inner-pressed-pipelines were forecasted.
引入基于模型误差最小准则的预测滤波算法,实现对未知扰动的实时辨识与估计,克服模型误差影响。
Predictive filtering based on minimum model error is introduced to realize real time identification of unknown perturbations and conquer influence of model error.
引入基于模型误差最小准则的预测滤波算法,实现对未知扰动的实时辨识与估计,克服模型误差影响。
Predictive filtering based on minimum model error is introduced to realize real time identification of unknown perturbations and conquer influence of model error.
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