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零阶
    A characteristic value(ti) of atom i was defined as ti=1/2×n2i/mi×pi×(χi/χCsp3)1.5×(∑eij+hiēi),and the molecular connectivity index mL was built based on it. The zeroth-order,first-order among mL were modified as:0L=∑(ti)0.5+β0.5;
    分子中原子i的特征值定义为:ti=1/2×n2i/mi×pi×(χi/χCsp3)1.5×(∑eij+hiēi),由ti建构了分子连接性指数mL,其中的零阶指数、一阶指数修正为:0L=∑(ti)0.5+β0.5;
    The zeroth-order Randi index of G is defined as R0α(G)=∑v∈Vdαv,where α is an arbitrary real number.
    G的零阶广义Randi指数定义为Rα0(G)=∑v∈Vdvα,其中α为任意实数。
    Zeroth-order General Randi Index of Tress with Diameter Not More Than 4
    直径不超过4的树的零阶广义Randi指数
    A HYDRODYNAMIC VELOCITY-SPLITTING MODEL WITH A DEPTH-VARYING EDDY VISCOSITY IN SHALLOW SEAS (Ⅱ) AN APPLICATION OF THE VELOCITY-SPLITTING MODEL TO THE ZEROTH-ORDER MODEL OF THE ULTRA-SHALLOW WATER STORM SURGES
    浅海流体动力学一种含变湍粘性系数的流速分解模型(Ⅱ)——模型在超浅海风暴潮零阶问题中的应用
    The Zeroth-order Bessel Function and Nondiffraction Beams
    无衍射光束与零阶贝塞尔函数
    When higher-order correction terms are added to the zeroth-order static solution, the interpretation of the data is improved.
    当在零阶静态解上加以高阶解后,情况得以改善。
    The zeroth-order solution didn't turn out to be a linear problem as usual but a nonlinear one corresponding to the vertical water exit for the same body.
    其中零阶解对应于轴对称体垂直出水的情况,仍是非线性的.
    Based on a three-dimensional weakly nonlinear Lagrangian residual current theory and numerical calculation of zeroth-order tide and first-order Lagrangian residual current,the authors calculated the second-order Lagrangian residual current and the net displacements at eight sites The nature of the horizontal and vettical movement is analysed.
    根据一种三维潮致拉格朗日余流的弱非线性理论,考虑单一频率潮波系统,在零阶天文潮和一阶拉格朗日余流数值计算的基础上,计算了二阶拉格朗日余流,然后对8个具有代表性的标识质点运动轨迹进行了数值跟踪。
    Applying them to the study of the electron dynamics in the intense laser pul se field, we found that as long as ω 0t 0>20, the zeroth-order approxima tion (long pulse approximation) is adequate for describing the interaction.
    另外对电子在超短高斯脉冲一阶修正场中的动力学特性研究发现 :对于ω0 t0 >2 0的情况 ,零阶修正场可以正确地描述电子被光场加速的特性 ;
    In this paper,the extremal graph problem of the zeroth-order general randi index of trees with diameter not more than 4 is investigated.
    本文研究直径不超过4的树关于零阶广义Randi指数的极图问题。
    Substituting the perturbation variables into the governing equations, which were obtained by using a single-control- volume model, yielded the zeroth-order equations and fist-order equations, in the end the dynamic coefficients were gained from the expression of the pressure distributing.
    该方法借助单控制体模型得到控制方程,将扰动变量代入控制方程得到零阶和一阶方程,最终由压力分布表达式推导出动力特性系数。
 

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