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非稳态过程
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  unsteady process
     The fatigue damage of materials is an unsteady process and is difficult to be expressed accurately by the use of traditional mathematical functions.
     材料的疲劳损伤是一非稳态过程 ,难以用传统的数学函数准确表达。
短句来源
  non-steady process
     ALTERNATIVE CURRENT AND CONCENTRATION POLARIZATION Ⅰ. NON-STEADY PROCESS AT THE PLANE ELECTRODE
     交流电与浓差极化 Ⅰ.平面电极上的非稳态过程
短句来源
     In this paper the non-steady process at the plane electrode has been treated. The result is as follows: 1. The establishing process of polarization has been evaluated and compared with the steady-process.
     本文处理了平面电极上的非稳态过程,结果如下: 1.计算了过电位的形成过程,并与稳态过程作了比较。
短句来源
  unsteady operation conditions
     In this paper, the author discussed the combustion data acquisition of internal-combustion engine in unsteady operation conditions under Windows NT system. It is a momentous attempt and improvement of data acquisition system compared to those formerly based on DOS, Windows 3.x and Windows 9.X.
     本文论述了Windows NT系统下内燃机非稳态过程的燃烧数据采集,是对原有基于DOS和Windows 3.x及9.x数据采集系统的一次重大尝试与改进。
短句来源
  “非稳态过程”译为未确定词的双语例句
     DIFFERENCE METHOD FOR NON-STATIONARY PROCESS AT ROTATING DISK ELECTRODES
     旋转圆盘电极上非稳态过程的差分方法
短句来源
     A model of the no steady process of gas jet interaction with liquid is developed and solved by the commercial software FLUENT. The change law of parameter in the flow field has been obtained.
     4) 建立含能气体射流与液体工质相互作用非稳态过程的理论模型,应用FLUENT应用软件对非稳态气体射流与液体工质相互作用的过程进行了模拟,获得了射流流场中各参数的变化规律。
短句来源
     Various complex unsteady states were observed by the comparison of the catalyst surface temperature oscillations with the CO_2 concentration oscillations in products.
     通过对比催化剂表面的温度振荡和产物中 CO_2的浓度振荡观察到各种复杂的非稳态过程,加深了对产生化学振荡的机理认识。
短句来源
     According to the transient heat-transfer principle, a new method was proposed to calculate the heat load of the building in this area.
     根据热传导的非稳态过程分析方法,从建筑围护结构的热传导和蓄热这两个方面,分析该地区建筑围护结构的传热特性,并提出准确计算建筑热负荷的工程设计计算方法。
短句来源
     Investigation of unstable progress of microwave induced by electron beam in RF cavity
     微波谐振腔中电子与微波作用的非稳态过程研究
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      unsteady process
    The asymptotic dependences for the integral characteristics of the unsteady process obtained in a series of calculations were extrapolated to the real values of the Grashof number.
          
    It is shown that resonance generation of the natural mode is an essentially unsteady process, whose initial stage conforms closely to the linear theory.
          
    It is shown that for extended deformations the change in the direction of the undisturbed flow in the wall regions is accompanied by a sharp increase in the amplitude of the perturbations; this is an essentially unsteady process.
          
    For this purpose the unsteady process of gas flow from one vessel to another through a porous medium has been investigated theoretically and experimentally for small pressure differences and absolute pressures up to 50 MPa.
          
    The first is the unsteady process that follows the sudden stopping of the rotation, including the appearance on the inner surface of periodic localized inhomogeneities.
          
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    In this paper the non-steady process at the plane electrode has been treated. The result is as follows: 1. The establishing process of polarization has been evaluated and compared with the steady-process. It is shown that the higher the frequency, the shorter the essential time is required to reach a steady-state. 2. The decay of the overpotential is calculated, and the relation with the initial distribution of the concentration is discussed.

    本文处理了平面电极上的非稳态过程,结果如下: 1.计算了过电位的形成过程,并与稳态过程作了比较。结果表明交流电频率愈高,则达到稳态所需时间也愈短。 2.计算了过电位的消失过程,并讨论了它与初始浓度分布的关系。

    Analysing the forming processes by the upper bound method is based on

    以运动学许可速度场为基础的上限法是分析非稳态过程问题的有效工具。本文在建立杯杆型轴对称复合挤压运动学许可速度场的基础上,用上限法对复合挤压的早期和晚期阶段的变形进行了分析研究,确定了复合挤压变形不同阶段所需的凸模平均单位压力。研究结果表明,复合挤压正挤部分变形程度的增大,总是使凸模单位压力增大;而反挤部分变形程度增大,则可能使凸模单位压力增大,也可能使之减小。挤压过程中,随凸模逐渐压入变形体,其塑性变形区的大小和形状,不断发生变化。当毛坯剩余厚度小于某值以后,复合挤压发生变形流动模式的转换,即由早期变形流动模式进入晚期变形流动模式,而变形程度的大小是影响变形流动模式转换的主要因素。利用分析得到的复合挤压力上限解的表达式,用电子计算机计算并绘制的复合挤压凸模平均相对单位压力曲线,可用于复合挤压的工艺设计。实验表明,理论分析结果与实测结果较为一致。

    The unsteady-state liquid-liquid dispersion and diffusional mass transfer in drops in turbulent fields were studied. It was found that the relation between the Sauter mean diameter and time could be predicted by the drop population balance equation (PBE) with negligible coalescence terms during the initial dispersion at low holdup and the behavior of drop breakage could be simplified as the binary equal volume breakage. The results at higher holdup should be corrected for the coalescence terms. The simplified...

    The unsteady-state liquid-liquid dispersion and diffusional mass transfer in drops in turbulent fields were studied. It was found that the relation between the Sauter mean diameter and time could be predicted by the drop population balance equation (PBE) with negligible coalescence terms during the initial dispersion at low holdup and the behavior of drop breakage could be simplified as the binary equal volume breakage. The results at higher holdup should be corrected for the coalescence terms. The simplified drop breakage or coalescence frequency function was given. The transient mass transfer in drops was estimated by using Danckwerts' surface renewal theory. The fraction of surface variation of drops per unit time was numerically taken as the fractional rate of surface renewal.

    研究了湍流场中液-液分散和滴内传质的非稳态过程。结果表明,Santer平均滴 径随时间的变化可以用滴群平衡方程和简化的液滴破碎函数和聚合函数描述.分散初 始阶段并且分散相存留量较低时,可以略去聚合项,液滴破碎过程可以简化为等体积的 二分裂过程。滴内传质可以用Danckwerts表面更新理论描述,界面更新速率在数值上 相当于单位时间滴群比表面的更新分数。

     
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