• 通过分段线性拟合的方法,计算幂指数的值。

    Two power exponents are estimated by using linear fit in two segments.

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  • 番茄胚水势含水量的关系呈幂指数的正相关

    The water potential of embryo was positively correlated with its moisture content.

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  • 并给出了膨胀喷嘴出口马赫数之间指数关系。

    A power correlation between expansion ratio and Mach number at the nozzle outlet was found.

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  • 建立了某型号鼓制动器平均制动力矩速度压力指数模型

    A power index model is formed which describes the relation of drum brake average torque with speed and pressure.

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  • 火山岩气藏启动压力束缚饱和度空气渗透率均幂指数关系

    The starting pressure of volcanic gas reservoir shows exponential relationship with irreducible water saturation and air permeability.

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  • 给出了所有准素正规化子素数指数有限群的长的

    The bounds of nilpotent lengths of finite groups with normalizers of primary subgroups having prime power indices are obtained.

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  • 本文研究了厚度指数规律变化变厚度非线性强迫振动问题

    In this paper, the nonlinear forced vibration of circular plates with thicknesses varying according to power indexes are studied.

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  • 能谱指数随源耀斑方位角而增加分布有明显的东西不对称性

    The power index of spectrum increases with the magnetic azimuth of source flares, the distribution of which shows a marked east-west asymmetry.

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  • 采用指数结合模糊权重评价法计算系统总体效能,并以此作为优化目标函数

    As the target function of the optimization model, the system entire efficacy was calculated by power index and fuzzy weight methods.

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  • 聚合物分子四氢呋喃溶液中的指数为0.14,说明聚合物具有支化结构

    The power index was 0.14, which indicated that the polymer had branched molecular structure in dilute solution of tetrahydrofuran.

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  • 利用测得数据,建立了某型号鼓制动器平均制动力矩速度压力指数模型

    After analysis of measurement data, a power index model is formed which describes the relation of drum brake average torque with speed and pressure.

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  • 通过研究浓度对数值扩散深度指数关系得到了钨动态扩散动力学的类型

    Through studying the relation between logarithm of the concentration and power of the penetration distance, the kinetics type of diffusion along dislocation has been found.

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  • 过程中,驱油剂稠度系数沿渗流方向指数规律减小,而幂指数则以线型规律递增

    In chemical flooding, consistency coefficient of the oil displacement agent declines exponentially, the power law exponent increases linearly in the direction of percolation flow.

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  • 揭示特性人类社会行为中的普适性,指出幂指数不同名人所处社会环境有关。

    It is revealed that power law property is universal in human social behavior. Meanwhile, parameters differ from each other due to the various social environments those celebrities lived in.

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  • 简要介绍评价舰武器系统性能指数种特殊的非线性规划方法——几何规划方法。

    In this paper, a optimization method of naval gun weapon system performance is presented based on the polynomial mode of power index method and the solutions concision geometry programming method.

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  • 应力条件下,应力导致的漏电流时间的关系均服从函数关系,但是二者的幂指数不同

    Under both stress conditions stress induced leakage current follows a power law against stress time with different power factors.

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  • 本文提出了FWG1 指数递减开发模型,提出了开发速度,采出程度开发指标数学关系式。

    A mathematical expression for such development indexes as recovery rates and rocovery percent of reserves is established on the basis of the FWG1 exponential decline development model.

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  • 发明对数为了简化繁琐计算因为指数的相加相减可以等同于它们的基数相乘或相除。

    Logarithms were invented to simplify cumbersome calculations, since exponents can be added or subtracted to multiply or divide their bases.

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  • 结果发现流体指数、颗粒间最小间隙以及颗粒的大小都是流体压力颗粒间切向阻力重要因素

    The results indicate that the power index, the minimum gap width and the size ratio are the main factors affect the magnitude of the pressure, the force and the moment.

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  • 并在系统的扩张状态观测器非线性状态误差控制器中引入非线性幂指数函数使系统运算变得更加简单

    A nonlinear exponential function is applied to ESO and nonlinear state error feedback (NLSEF) controller, and it makes the system realize easier operation.

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  • 一个年轻研究领域指数定律模式研究也许答案一部分考虑讨论潜在影响为时尚早。

    This is still a young field of research, and the study of power law patterns may be part of the answer, but it isn't too early to consider and discuss potential implications.

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  • 通过检验网络分布指数顶点的最小度之间的关系获得了无尺度网络对于随机错误设计

    By examining the relationship of the entropy of the degree distribution, scaling exponent and the minimal connectivity, we get the optimal design of scale-free network to random failures.

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  • 范围中,电流时间变化可以模拟指数衰减施加电场增加的衰减系数下降

    In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field.

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  • 静水实验沉积物向上覆水体盐分释放通量符合幂指数形式粘土中细砂、泥质粉砂顺序递减;

    In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.

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  • 通过速率方程证明网络节点分布符合律分布的无标度网络,其指数为- 3,平均连接度为给定

    It is proved that the degree distribution of the network obeys power-law form with the exponent-3, and the mean connected degree is given value.

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  • 本文介绍高次方凸轮设计方法利用VB语言编制的程序设计了凸轮型线,介绍了幂指数的选取对凸轮特性的影响。

    This paper introduce the design method and use the design programme wrote on VB language to design valve CAM profile.

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  • 首次完全匹配(PML)边界条件应用到adi FDTD计算采用幂指数形式时间算法推导了相应的迭代公式

    The perfect matched layer (PML) technique is used in ADI-FDTD calculation for the first time. The expressions for the exponential time-stepping algorithm in PML are derived.

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  • 类似地指数定律模式美国1919 - 2009年1工业生产月度摆动(绝对值)频率级别中被发现(2)。

    Similarly, the power law pattern can be seen in the frequency and magnitude of the monthly swings, positive and negative, in us industrial production from 1919 to February 2009 (Exhibit 2).

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  • 模型东亚大陆限定梯形边界框架之中,大陆岩石层视为指数控制的层,它上伏在粘滞性较低的软流层之上蠕变流动

    In this model the EastAsia continent is limited in a trapezoid geological frame and the continental lithosphere is regard as a continuum thin plate with a power law rheology.

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  • 揭示了公式中幂指数深刻含义——“分维”。根据模型讨论了情报学三个经验定律统一性分布普遍性及其产生机制

    According to this model, we have also discussed the unifity of three empirical laws in the bibliometrics and the universality and mechanism of the Bradford-Zipf-Lotka distribution.

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