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物理数学的英文

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"物理数学"怎么读用"物理数学"造句

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  • physical mathematics

例句与用法

  • “ trading is very different from physics and mathematics , where genius reveals itself early
    (交易与物理、数学非常不同,在物理数学领域天才很早就崭露头角。
  • For example , before world war ii , german was the most important language in physics , mathematics , pyschology and other disciplines
    譬如,第二次世界大战之前,物理数学心理学等主要学科都以德文为主。
  • Abstract : physical and mathematical model for the inertial platform initialization align system of launch vehicle is discussed in this paper
    文摘:本文讨论并建立了运载火箭初始对准系统的物理数学模型,并用多媒体手段对系统实际工作过程进行了仿真模拟。
  • The paper reports the model of the reactor core of the pwr nuclear power plant and established the suitable core physics - mathematics model for microcomputer simulation
    摘要阐述了pwr核电站堆芯的模型化问题,提出了适用于微机仿真的核电站堆芯的物理数学模型。
  • First , the physical and mathematical model of the roller is modeled . then all kinds of elements which affect the compaction characteristics and to which degree are analyzed in detail
    首先从建立压路机的物理数学模型着手,详细分析了影响压实效果的各种因素,以及各种因素对压实效果的影响程度。
  • The numerical model of the refrigerated counter was established , the natural convenient of the air in the refrigerated counter was calculated with simple algorithm and the changer of temperature in the counter was got
    摘要建立了冷藏柜的物理数学模型,并用simple方法计算冷藏柜内空气的自然对流,得到柜内空气相应点的温度变化情况;同时对相应点的温度变化过程进行了实验研究。
  • To study the acoustic unsteady combustion of srm , built the acoustic model of chamber . deduced the little amplitude sound wave 3d equation , used the finite volume discrete method to simulate . got the vibration model of three kinds of chamber
    为研究固体火箭发动机声不稳定燃烧特性,建立了燃烧室内声学特性分析的物理数学模型,推导了小振幅声波三维波动方程,采用有限体积离散方法进行仿真,得到圆柱型、四片翼柱彤和五片翼柱型药柱三种燃烧室形状声学振动基本模态
  • In this paper , high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model . the distribution of gas velocity and pressure , the temperature field of gas and solid in the moving particulate bed are examined for different conditions . the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance . the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity . in the region of thermal penetration , the porosity of solid bed has significant effect on gas field and pressure loss . it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation . the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
    针对移动颗粒床中物料层内的高温气体渗流传热现象,考虑渗流与传热的相互作用,采用局部非热平衡假设建立了多孔介质渗流传热物理数学模型并进行了数值计算.研究了不同情况下床内填充多孔介质中的流速、气固温度和床层压力损失.计算结果表明,高温热气对移动床颗粒料层的热渗透主要发生在渗流入口端区域,增大入口渗流速度以及减小床层物料下移速度将导致物料温度沿床高慢速下降,热渗透深度扩大,热渗透作用区域内的物料温度水平提高.在热渗透作用区域,孔隙率对流场和压力损失有很大的影响.研究结果对于移动颗粒床反应器的设计与运行具有一定的参考作用
  • Besides , all the existing algorithms are off - line and cannot work well with highly dynamic networks such as web , in which web pages are updated frequently . when an already clustered network is updated , the entire network including original and incremental parts has to be recalculated , even though only slight changes are involved
    复杂网络已成为最前沿和最具挑战性的研究课题之一,吸引了来自社会学物理数学和计算机等多个领域的研究者,自然科学和美国科学院院刊等著名杂志上多次介绍这方面的工作。
  • The mathematical and physical dynamic models are given based on the adsorbent theory of porous medium . its running and parameters affecting its performance are numerically studied and the method that control the water content in the absorbent bed is recommended . the improvement on system configuration to recover heat is discussed and the operation scheme is given
    利用多孔介质吸附模型和平衡吸附压力的概念建立了该系统工作过程的物理数学模型,数值模拟的方法模拟了其工作过程和影响因素,提出了控制吸附床含湿量的方案,验证了改进流程回收能量的可行性并给出了操作方案,提出并分析了用热电制冷器回收水蒸气潜热节约电能的方法。
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