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Autor:
Muhammad Kamran Siddiqui, Muhammad Rafiullah, Hafiz Muhammad Afzal Siddiqui, Mlamuli Dhlamini
Publikováno v:
Journal of Chemistry, Vol 2021 (2021)
A topological index is a characteristic value which represents some structural properties of a chemical graph. We study strong double graphs and their generalization to compute Zagreb indices and Zagreb coindices. We provide their explicit computing
Autor:
Liu Yang, Lin Hong, XiYan Shen, Yi Wu, Meng Bi, Yang Huang, Huixian Li, Wenjie Chen, Yiting Yang, Lili Jiang, Zuping Ding
Publikováno v:
Journal of Chemistry, Vol 2021 (2021)
The change of water quality can reflect the important indicators of ecological environment measurement. Sewage discharge is an important factor causing environmental pollution. Establishing an effective water ecological prediction model can detect ch