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首页> 外文期刊>American Journal of Chemical Engineering >On ive/i-Degree and iev/i-Degree Zagreb Indices of Titania Nanotubes
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On ive/i-Degree and iev/i-Degree Zagreb Indices of Titania Nanotubes

机译：二氧化钛纳米管的 ve -度和 ev -度萨格勒布指数

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Titania nanotubes are among the most investigated nanomaterials relating to their common applications in the manufacturing of corrosion-resistant, gas sensing and catalytic molecules. Topological indices which are graph invariants derived from molecular graphs of molecules are used in QSPR researches for modelling physicochemical properties of molecules. Topological indices are important tools for determining the underlying topology of a molecule in view of theoretical chemistry. Most of the topological indices are defined by using classical degree concept of graph theory. Recently two novel degree concepts have been defined in graph theory: ive/i-degrees and iev/i-degrees. By using both novel graph invariants, as parallel to their classical degree versions, the iev/i-degree Zagreb index, the ive/i-degree Zagreb indices and the ive/i-degree Randi? index have been defined very recently. In this study the iev/i-degree Zagreb index, the ive/i-degree Zagreb indices and the ive/i-degree Randi? index of titania nanotubes were computed.
机译：二氧化钛纳米管是研究最广泛的纳米材料之一，涉及其在耐腐蚀，气体感应和催化分子的制造中的常见应用。在QSPR研究中，使用了从分子的分子图得出的图不变性的拓扑指数来对分子的理化性质进行建模。拓扑指数是从理论化学角度确定分子基础拓扑的重要工具。大多数拓扑指标是使用图论的经典度概念定义的。最近在图论中定义了两个新颖的度数概念： ve 度数和 ev 度数。通过同时使用两个新颖的图不变式和其经典度版本，分别是 ev 度Zagreb指数， ve 度Zagreb指数和 ve 度的萨格勒布指数， ve 度的萨格勒布指数和 ve 度的兰迪？计算二氧化钛纳米管的折射率。

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