经验公式

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  • empirical formula
经验公式经验公式
  1. 研究表明,用现场TNT标定公式要比用TNT经验公式评价FAE战斗部要可信的多,且该方法具有普适性。

    The results indicated that using the local TNT explosion calibrate formula to calculate the TNT equivalent of FAE warhead is more reliable than the empirical formula of TNT , and the new method can be widely used .

  2. 对于压裂注采井网,特别是对实施大规模压裂的低渗透油藏注采井网,利用已有经验公式计算水驱采收率或进行经济评价时有一定偏差。

    For fracturing injection production pattern , especially for those of low permeable reservoir having been fractured in a large scale , using known empirical formula to calculate water flooding recovery or make economic evaluations has some error .

  3. 本文提供的经验公式可作为实际工作的参考。

    The recommended empirical formulas are provided for reference in practice .

  4. F树脂乳液溶解法测定比粘的经验公式

    Empirical Formula for Determing Specific Viscosity of F-Resin

  5. 对测试结果从实验和数学两方面进行分析,给出Windows终端模式下NC服务器性能的经验公式。

    At last we analyse the tested data and summarize the experience formula of NC server performance in Windows terminal mode .

  6. 一个估算重离子在SiO2、Al2O3和Si3N4中的Rp和ΔRp的经验公式

    An Empirical Formula for Estimating Range Parameters R_p and Δ R_p of Heavy Ions Implanted into Amorphous SiO_2 , Al_2O_3 and Si_3N_4

  7. 再通过经验公式使用节点数为4-5-1和5-5-1的三层BP人工神经网络建模技术分别对玉米和小麦含水率进行了预测。

    Then establish a 4-5-1 and 5-5-1 three layers BP ANN for corn and maize respectively by empirical formula to predict the moisture content .

  8. 文中建立了溢流槽的流量公式,并利用实验数据得出了稳定区内流量系数Cd的经验公式。

    An analytical discharge equation for the overflow channel is offered , and an empirical formula for discharge coefficient C_d in stable area under small head developed by means of experimental data .

  9. 计算常见无机含氧酸pK值的经验公式

    An Empirical Formula for Computing pK Values of Common Inorganic Oxygen-containing Acid

  10. 利用Kim的经验公式,计算矩形野的等效方边长;

    Secondly , the equivalent square fields of rectangular fields are calculated according to the formula established by kim .

  11. 管道脉冲MAG焊焊缝背面余高的数学模型及经验公式

    Modelling and empirical equation on back reinforcement for pulse MAG welding of pipe

  12. 提出了微扰QCD的高级修正K因子的经验公式,与有关实验符合得相当好。

    The experience formula of K factor in perturbative QCD is produced and in good agreement with related experimental data .

  13. 利用导出的系统学经验公式计算了一些核素的(n,~3He)反应截面,与实验结果比较符合较好。

    The ( n , ~ 3He ) cross sections of some nuclei have been calculated by derived empirical formula , and a good agreement with the experimental data has been obtained .

  14. 目前,在设计中国际上大多数国家均采用由Porter等人提出的经验公式进行剪切粘结承载力计算。

    Now , the bearing calculation of slabs mainly adopts formula defined by ASCE code of America for more country .

  15. 在计算雨滴终速时,比较好的计算方法为Beard经验公式法,沙玉清公式(及修正的牛顿公式)法。

    Better formulas calculating raindrop terminal velocity were Beard experience formula , Sha Yuqing formula ( and revised Newton formula ) .

  16. 在评价指标上借鉴了钣金设计原则及前人总结的一些成本估算经验公式,在实现过程中借鉴和利用了成组技术、特征识别、STEP文件等技术手段。

    The evaluate target refer to the sheet-metal design handbooks and cost evaluating experience formula summarized by expert before . In the implementation process tools including group technology > feature recognition 、 STEP files are used here .

  17. 探讨了影响三重态正子素(OPs)在有机液体中的湮灭速率的若干因素,导出了有关OPs寿命的简单经验公式。

    Several factors which affect O Ps annihilation rate in Organic liquids have been discussed . A simple empirical formula about O Ps lifetime has been derived .

  18. 本文提出了一个计算无机含氧酸pK值的新经验公式。

    In this paper , we present a new empirical formula for competing pK values of inorganic oxygen-containing acid .

  19. 经验公式发现系统FDD

    Experience formula discovery system FDD

  20. 用内排水法实地测定了比利时北部近海岸草地沙土的非饱和导水率K(θ)和扩散率D(θ).并求得其经验公式。

    Unsaturated hydraulic conductivity K (θ) and diffusivity D (θ) of meadow sandy soil in coastal area of North Belgium are determined in situ by internal drainage method , and their empirical formulae are obtained .

  21. 本文给出了多碱阴极Na2KSb(Cs)光吸收系数经验公式。

    The absorption , coefficient experience formula of multialkali photocathodes ( Na2KSb ( Cs )) is given in this paper .

  22. 一个计算A-H键振动频率的经验公式

    A Formula for the Calculation of Vibration Frequency of A-H Bond

  23. 计算了e+e-湮没与pp(p)反应过程的直生介子与重子多重数,与经验公式中的参数完全一致。

    In this paper the multiplicities of directly producted mesons and baryons in e + e - annihilation and pp ( p ) reaction are calculated and are in complete agreement with the parameter in the experienced formula .

  24. 并提出曲轴表面裂纹几何因子的表达方法和曲轴裂纹扩展速率的表达式,对Paris经验公式进行修正。

    In this paper , a method for representing geometric factors of the crankshaft surface crack and an expression for the crankshaft crack propagation rate are proposed . The Paris empirical formula is also revised .

  25. 模拟计算所需参数采用估算和回归的方法,通过经验公式估算传质系数,利用单组分正构烷烃在5A分子筛上的吸附平衡数据,直接得到竞争吸附平衡模型参数。

    The necessary parameters for simulation calculation were estimated and regressed on the basis of equilibrium data of monocomponent n-paraffins on 5A molecular sieve .

  26. 本文提供了小水线面双体船(SWATH)结构载荷的解析方法以及用于初步设计的简捷算法经验公式。

    This paper present the analytical method for structural load calculation for SWATH ship , and the short cut method with empirical formula for preliminary design .

  27. 文中提供的四个经验公式及全部说明上述关系的图件将有助于AVO幅距分析研究,以及在多波勘探中掌握岩性规律及寻找油气聚集地段。

    Four empiric formulas and the relevant figures in this paper favour AVO analysis , lithology regularity recognition in multiwave exploration , and the discovery of hydrocarbon accumulation area .

  28. Beggs和Robinson提供了在地层条件下预测饱和气原油粘度的相关经验公式。

    A correlation method for predicting the viscosity of gas-saturated crude oils under reservoir condition is presented by Beggs and Robinson .

  29. 结合基于高炉煤气生成过程经验公式和物料平衡关系的各单元模型,推导出TRT系统的高炉顶压动态数学模型。

    By integrating each unit model based on material balance relationship and blast furnace gas producing process empirical formula , the dynamic mathematical model of the TRT system top pressure was deduced .

  30. 针对现有的双速率同步采样序列离散傅里叶变换(DFT)的算法是一个经验公式和计算量大的缺陷,提出了一种改进的双速率同步采样法。

    Considering the existing algorithm model of discrete Fourier transform ( DFT ) to be an empirical formula involving much calculation , a kind of new double-speed synchronous sampling method and DFT model were proposed under condition of double-speed synchronous sampling .