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9.391  Articles
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In this paper, we study the interlace polynomial of a special graph with n vertices, called 4n-snowflake graph. It is similar as the friendship graph Fn of n vertices, which is made of n 3-cycles sharing one ce... see more

Suppose G=(V,E) is a graph with the vertex set V(G) and edge set E(G) we defined a labeling f:V?E?{1,2,…,k} to be an edge irregular total k-labeling of graph G if for every two different edge e and f there is wt(e)?wt(f). The minimum k for which the graph... see more

The new composite material Al(III)-TiO2 has been synthesized and applied as a modifier of graphene paste electrode for the determination of fipronil pesticide by cyclic voltammetry. The methods were to synthesis of Aluminum-Titanium dioxide (AT), preparat... see more

The new composite material Al(III)-TiO2 has been synthesized and applied as a modifier of graphene paste electrode for the determination of fipronil pesticide by cyclic voltammetry. The methods were to synthesis of Aluminum-Titanium dioxide (AT), preparat... see more

This document shows the difficulties identified in a group of 76 students from sixth to ninth grade of a private educational institution whose training emphasis is the teaching of Natural Sciences. A questionnaire was applied to them in which there were f... see more

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