Results 31 to 40 of about 5,776,880 (162)
On topological properties of block shift and hierarchical hypercube networks
Open Physics, 2018 Networks play an important role in electrical and electronic engineering. It depends on what area of electrical and electronic engineering, for example there is a lot more abstract mathematics in communication theory and signal processing and networking ...
Guirao Juan Luis García +2 more
doaj +1 more source
Reverse Zagreb and Reverse Hyper-Zagreb Indices for Crystallographic Structure of Molecules
Journal of Chemistry, 2020 In the fields of chemical graph theory, topological index is a type of a molecular descriptor that is calculated based on the graph of a chemical compound.
Zhen Wang +3 more
doaj +1 more source
Topological Properties of Nanostar Dendrimer and Smart Polymer
Journal of Chemistry, 2020 The nanostar dendrimers are a piece of another gathering of macromolecules that seem, by all accounts, to be photon pipes simply like counterfeit reception apparatuses.
Muhammad Aamer Rashid +3 more
doaj +1 more source
Computing Topological Descriptors and Polynomials of Certain 2D Chemical Structures
Journal of Chemistry, 2021 In the fields of mathematical chemistry, a topological index, also known as a connectivity index, is a type of a molecular descriptor that is calculated based on the molecular graph of a chemical compound.
Muhammad Mubashir Izhar +6 more
doaj +1 more source
A note on multiplicative sum Zagreb index [PDF]
, 2020 For a nontrivial (molecular) graph G, its multiplicative sum Zagreb index, denoted by π * 1 (G), is defined as the product of the sum is the degree of vertex u.
J South Asian, Math, Zagreb Index
core
Topological Study of Zeolite Socony Mobil-5 via Degree-Based Topological Indices
Journal of Chemistry, 2021 Graph theory is a subdivision of discrete mathematics. In graph theory, a graph is made up of vertices connected through edges. Topological indices are numerical parameters or descriptors of graph.
Nouman Saeed +4 more
doaj +1 more source
On Generalized Topological Indices of Silicon-Carbon
Journal of Mathematics, 2020 Let Gbe a graph with n vertices and Γu be the degree of its u-th vertex (Γx is the degree of u). In this article, we compute the generalization of Zagreb index, the generalized Zagreb index, the first and second hyper F-indices, the sum connectivity F ...
Xing-Long Wang +5 more
doaj +1 more source
Accidents in the Chemical Industry: A Scoping Review Focused on Causal Factors
American Journal of Industrial Medicine, EarlyView.ABSTRACT Background Although occupational safety in the chemical industry is an area of ongoing research worldwide, chemical incidents continue to occur, indicating the need to review the causes, assist in safety management, and identify problems in the quality of reporting. Methods A systematic search of studies published in English between January 1,
Željka Babić +7 more
wiley +1 more source
Degree-Based Topological Indices of Boron B12
Journal of Chemistry, 2021 Topological index sometimes called molecular descriptor is a numerical value which associates a chemical composition for correlating chemical structure with numerous physical properties, chemical reactivity, or biological activity.
Nouman Saeed +4 more
doaj +1 more source
The Oral‐Hepatic Axis: Epidemiological and Mechanistic Links Between Periodontal and Liver Diseases
Journal of Periodontal Research, EarlyView.This review summarizes current epidemiological, clinical and mechanistic evidence linking periodontitis and chronic liver diseases, highlighting the oral‐gut‐liver axis, shared immunometabolic and nutritional pathways and opportunities for integrated preventive and therapeutic strategies.
Sinem Esra Sahingur +3 more
wiley +1 more source