半经验理论

半经验理论半经验理论
  1. 文章给出了微透镜及列阵的实验测试结果和若干显微照片,对其设计与制造建立了半经验理论模型。

    A semiempirical model is developed to design the arrays .

  2. 考虑土体重度的条形基础极限承载力半经验理论解

    Semi-empirical Solution on Bearing Capacity of Strip Footing Considering Unit Weight of Soil

  3. 剂量增强效应的半经验理论计算

    The semi-empirical calculation of dose enhancement

  4. 在高温燃气流动条件下推进剂燃烧模型及半经验理论分析

    The combustion model of solid propellant and its semiempirical theory under the crossflow of high temperature gases

  5. 铜团簇几何结构和结合能的半经验理论研究(Ⅰ)&嵌入原子法应用于金属团簇的理论研究

    Structure and Cohesive Energy of Cu Clusters (ⅰ) & Application of Embedded Atom Method to Study of Metal Clusters

  6. 通过结构裂缝模拟实验和分析,得到了光纤损耗与裂缝宽度之间可靠、实用的半经验理论计算模型。

    A reliable and applicable semi-experience calculation model for structure crack remote measurement has been obtained by analyzing the experiment results of the relation between the optical loss in fiber and the crack width .

  7. 湍流的产生机制之迷在百年来一直吸引着数代科学家为之倾倒和献身,曾被称为经典物理学最后的疑团,但是对湍流的研究进展甚缓,至今还停留在半经验理论的水平上。

    So many scientists are being infatuated with the enigma of creation mechanism of turbulence in several centuries , which was named the last puzzle of the classical Physics . But researches on turbulence are not progressing smoothly and remain at the level of half experience and immature theory .

  8. 对于灌孔N式砌块砌体本文给出了半经验半理论的抗压强度计算公式,公式计算值与试验结果吻合良好。

    Based on the compression mechanism of N-block masonry , a semi-empirical and theoretical formula of compressive strength is presented for grouted N-block masonry . And results calculated by the formulas were in good agreement with the test results .

  9. 通过半经验半理论的方法对射流z轴方向流速分量w等值线流团涡心运动轨迹方程进行了推导,分别建立了涡心运动轨迹x分量与z分量随时间变化的表达式。

    Deduced the track formulas of the jet flow velocity z component w isoline patch vortexes centers movement , and through semi-empirical method , got vortexes centers movement track x component and z component equation with time .

  10. 本文应用Prandtl半经验紊流理论,推导得到封冻河道水力要素间的理论关系表达式,并对冰盖影响区与床面影响区的交界位置进行了分析讨论;

    The Prandtl semi-empirical turbulent theory is applied to deduce the expression of the relationship between the hydraulic factors of ice-covered rivers .

  11. 在横流理论和wardlaw集中涡法的基础上,通过采用一组合适的自由参数,用半经验半理论的方法计算了无安定器航弹在大攻角情况下的气动特性。

    By choosing a group of available free integral parameters , a semiempirical theoretic method based on the crossflow theory and Wardlaw 's concentrated votex method is used to calculate the aerodynamic characteristics of air bomb without fin at hige angle of attack .

  12. 现有的设计理论大多采用半经验半理论的方法,误差较大。

    Most of the design theories have a large margin of error by using semi-empirical method .

  13. 前人已经得出了许多计算分层流动相间水力摩阻系数的经验、半经验半理论的公式。

    Predecessors had obtained many empirical and semi-empirical formulas for calculating the interfacial friction factor of stratified flow .

  14. 地下工程半经验半理论设计方法的理论基础&围岩-支护系统是一种开放的复杂巨系统

    Theoretical basis for semi-analytic method in tunnel support design & tunnel rock-support system is an open complex giant system

  15. 本文根据前人的实验资料,建立了一套计算自掺气水流流速分布的半经验半理论方法。

    On the basis of the existing experimental data , a method was developed to calculate the velocity profiles of self aerated flow .

  16. 本文提出了使用半经验半理论方法对山区各气候要素的空间分布进行数学模拟的有效方法。

    In this paper , an effective method of simulating the distributions of climatic elements in mountainous areas by using semiempirical theory is presented .

  17. 还介绍了求解温度场的一般方法:热传导方程求解,近似数值解,半经验半理论公式等等。

    What 's more , common mothods for solving temperature field are also introduced : heat exchange method , approximate numerical value method and semi-analytical method .

  18. 在时域分析中,本文应用半经验半理论方法,在实验数据的基础上求得共振圆柱体的动力响应幅值。

    In time domain , the maximal vibration displacement is calculated on the basis of experimental data via the semi-experiential and semi-theoretical method in this paper .

  19. 通过计算结果与实测结果对比,基本一致,说明用此半经验半理论公式预测涌潮压力是可行的。

    The results of numerical calculation compared well with test data , as illustrated that this semi-empirical and semi-theoretical formula for predicting the bore pressure is feasible .

  20. 传统的基于半经验半理论的离心泵的设计和研制开发,费用高、周期长。

    It is high expense and long period to design and research and develop new typical Centrifugal Pump in traditional and half empirical and half theoretical way .

  21. 使得在实际的设计、施工中,理论支撑方面尚显不足,对其研究至今仍处于半经验半理论的状态。

    Made in actual design and construction , theory support is still inadequate , the research is still in a state of half experience and half theory .

  22. 我国是名符其实的隧道大国但不是隧道强国,因为我国隧道设计还处于半经验半理论的工程类比阶段。

    There are many tunnels in our country , but it is not expert in design tunnels , because the design technique is at a semi-empirical and semi-theoretical stage .

  23. 首先从理论上探讨了顶底角钢连接初始刚度的计算方法,建立了有关连接初始刚度的半经验半理论计算公式。

    Firstly this paper presented the methods of determining the initial stiffness of top-seat angles connections and brought forward a formula about the initial stiffness of this type connection .

  24. 此方法运用纯粹数值模拟方法模拟水流冲击作用下结构物的动态响应状况,可脱离半经验半理论公式的假设和局限性。

    In this method , pure numerical simulation is used to simulate structure dynamic response under fluid impact , and it can detach the limitations of semi-theoretical semi-empirical formula .

  25. 从被动桩和土拱效应的概念出发,推导出计算任意桩型抗滑桩极限阻力的半经验半理论公式。

    Based on to the concepts of passive pile and soil arch effect a semi empirical formula for calculating extreme resistance of stabilizing piles for resisting land slide is deduced .

  26. 本文根据辐射传输理论和某些物理近似,提出一个计算对流层大气辐射平衡的半经验半理论的气候学方法。

    Based on the theory of the radiation transfer and some physical approximation techniques , a numerical climatological method for the radiation budget in the troposphere over China is proposed .

  27. 利用半经验半理论公式,介绍了圆管结构T形相贯刚接节点的计算方法和节点柔性对整个结构体系分析的影响。

    Based on the semi-experience and semi-theory formula , the calculation methods of the T-type rigid connection joints in circular tube structure and the effects of joint flexibility on the structure system are presented .

  28. 现今规范中的双向压弯构件的稳定验算公式中的弯矩放大系数都是套用平面内的弯矩放大系数,它是建立在有限的试验基础上的,是一个半经验半理论的设计公式。

    The current biaxial bending design formula always use the moment magnifier factor of in plane bending , which based on finite tests data , it 's a semi - theoretical - semi-experience formula .

  29. 混合机是饲料加工中的最关键设备之一,目前对混合机虽然已有很多的试验与理论研究,但有关的理论及设计计算方法仍不完善,许多还是处在半经验半理论阶段。

    Mixer is one of the most pivotal equipments in the feed industry . Though there have been many experiments and academic researches about mixers at present , the theories and design methods are not so perfect .

  30. 利用半经验半理论公式推求土坝溃决后的洪水演进过程,从而可为桃河综合治理方案的可行性研究提供一定的科学依据,也可供有关部门参考。

    The flood developing procedure after clay dam bursting is ascertained by using semi-theoretical and theories semi-empirical relationship , which can provide some scientific basis for the feasibility research of the scheme of Taohe River 's comprehensive treatment .