Wiener的例句大全

Unicyclic Graphs with the Second Largest Wiener Index

具有次大Wiener指数的单圈图

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The value of the Wiener Index for a class of linear phenylene molecular graph is calculated, and the linear recursive formulas is obtained, and then the exact expressions are gained by solving some difference equations of the recursions.

文章给出了一类一般线性聚亚苯基图hQ的Wiener拓扑指标的线性递推公式，通过求解差分方程而得到了它的Wiener拓扑指标的精确表达式。

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Number of individuals and species, diversity indices, Shannon Wiener diversity index, biomass and soil fertility of the main plant community types in Xiyang River Bend region were analysed.

分析了西阳湾地区主要植物群落类型的种类组成、空间结构、物种多样性、生物量及土壤特性。

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Minimum Value of the Wiener Index for ( M, N)-graph

（M，N）-图类的Wiener指标的极小值问题

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In the forth chapter, we study the Wiener Index of peptoids.

在论文的第四章里，研究了类肽图的Wiener数。

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Based on the Wiener index ( W), a harmonic topological index ( H) is proposed. H has been shown good structure selectivity, and appears uniqueness for 149 alkanes from ethane to decane.

基于Wiener指数（W）建立调和拓扑指数（H），该指数对乙烷至癸烷的149种烷烃呈现惟一性表征。

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The Shannon Wiener diversity index in mature phase was the largest, and it got higher with the increase of growth stage.

成熟期原生林Shannon Wiener多样性指数最高，呈现出随生长年代的增加而增大的趋势。

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The Wiener index is widely used in the fields of chemistry and communication network and has been extensively studied since the middle of 1970s.Many new results are obtained.

Wiener指标在理论化学和通讯网络中有大量的应用。自二十世纪七十年代以来，Wiener指标已得到广泛的研究，并得到了许多新的结果。

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Phytoplankton Shannon Wiener diversity index varied between 0 97 and 2 75, with the maximum found in August.

多样性指数是：A>B>C；浮游植物香农-威纳多样性指数为0.97～2.75。

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The Wiener index is such a topological index and it has been widely used in Chemistry fields.

Wiener指数就是一个与化合物的物理化学性质密切相关的拓扑指数，它的性质广泛应用于化学领域中。

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Of these, 46.4% and 53.6% were vascular and bryophyte epiphytic species, respectively. The Shannon Wiener index and Simpson index were 2.93 and 0.91 for vascular epiphytic species, and 3.31 and 0.95 for bryophyte epiphyte species, respectively.

附生维管束植物的Shannon Wiener指数和Simpson指数分别为2.93和0.91，附生苔藓植物分别为3.31和0.95。

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The Wiener index is the sum of distances between all pairs of vertices in a ( connected) graph.

Wiener指数是连通图的点对的距离之和。

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On the Wiener Index of Cartesian Product Graphs

乘积图生成树的Wiener数问题

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Estimation and Prediction of Molecular Properties and Intermolecular Forces by Using the Useful Wiener Index

利用维纳指数估计与预测分子性质与分子间力

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In chapter 3, we obtain some properties of trees with k-pendent whose Wiener index reach the third maximum and some other ordering relations.

第三章，我们给出第三大Wiener指标的树的若干性质以及一些特殊树类依Wiener指标的序关系。

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In order to find the maximum caterpillar tree for Wiener index, we have done a lot of works.

为了寻找毛毛虫树中，维纳指数最大的一个，我们做了大量的分析与运算。

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The value of the Wiener index of the peptoids

类肽图的Wiener指标

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Value of the Wiener Index for a Class of Linear Phenylene Molecular Graph h M_h

一类一般线性聚亚苯基图M h的Wiener拓扑指标

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Short , stout, splay-footed, sporting a goatee and a cigar Wiener waddled around like a smart duck.

身材矮小 、 体魄健壮,八字脚, 留着山羊胡,还叼着一支雪茄,蹒跚而行就像一只聪明的鸭子.

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In the method DFF ( depth from focus), aiming at the characteristic of the images, we proposed that Wiener filter and image brightness normalization can be apply as preprocessing tools.

首次提出用维纳滤波和图像亮度归一化对图像做预处理，使对焦深度法的评价曲线形状得到明显的改善。

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