Results 11 to 20 of about 1,354 (81)

Bounds for Degree-Sum adjacency eigenvalues of a graph in terms of Zagreb indices [PDF]

open access: yesComputer Science Journal of Moldova, 2021
For a graph $G$ the degree sum adjacency matrix $DS_A(G)$ is defined as a matrix, in which every element is sum of the degrees of the vertices if and only if the corresponding vertices are adjacent, otherwise it is zero.
Sumedha S. Shinde   +3 more
doaj  

Prescrições de Antimicrobianos em Unidades Básicas de Saúde de Um Município do Seridó Potiguar, Brasil [PDF]

open access: yesInfarma: Pharmaceutical Sciences, 2019
Antimicrobianos estão entre os medicamentos mais utilizados na atenção primária. Contudo, as prescrições ocorrem de forma não adequada, pondo em risco a segurança do paciente, podendo gerar impactos clínico e econômico. No presente estudo foram avaliadas
Fábio Coêlho SILVA JUNIOR   +1 more
doaj   +1 more source

Thermodynamic and dynamic anomalies for a three dimensional isotropic core-softened potential [PDF]

open access: yes, 2005
Using molecular dynamics simulations and integral equations (Rogers-Young, Percus-Yevick and hypernetted chain closures) we investigate the thermodynamic of particles interacting with continuous core-softened intermolecular potential.
Alan Barros de Oliveira   +6 more
core   +2 more sources

Migración y movimientos sociales en Haití

open access: yesCiencia y Sociedad, 1993
Ofrece una muy buena explicación acerca de los factores que originan las migraciones en su país, tanto internas como hacia el exterior. Establece las relaciones que existen entre migraciones y movimientos sociales desde una perspectiva histórica.
Sabine Manigat
doaj   +1 more source

Especies de estomatópodos (crutácea : malacostraca : stomatopoda) conocidas para la Hispaniola

open access: yesCiencia y Sociedad, 2003
Dominicana la presente compilación adiciona 7 especies a las 3 listadas en el último inventario nacional de la biodiversidad marina, lo que da un total de 10 especies conocidas para esta parte de la Isla. Para Haití se listan 4 especies.
Alejandro Herrera Moreno   +1 more
doaj   +1 more source

Migración, raza y etnia al interior de la periferia (O los haitianos en la República Dominicana) : perfil cuantitativo y analítico de los dominicanos de ascendencia haitiana

open access: yesCiencia y Sociedad, 1995
Este texto evalúa la exhaustiva caracterización socioeconómica y cultural de los descendientes de haitianas y/o haitianos nacidos en la República Dominicana.
Carlos Dore Cabral
doaj   +1 more source

The student practitioner: developing skills through the marketing research consultancy project [PDF]

open access: yes, 2010
This paper examines the perceptions of a group of undergraduate students undertaking marketing research consultancy projects for employers. The projects are informed by action learning.
Barry Ardley, Nick Taylor, Ross Brennan
core   +1 more source

Density anomaly in a competing interactions lattice gas model [PDF]

open access: yes, 1997
We study a very simple model of a short-range attraction and an outer shell repulsion as a test system for demixing phase transition and density anomaly.
Alan B de Oliveira   +19 more
core   +1 more source

Determination of Unknown Parameters of Photovoltaic Module Using Genetic Algorithm

open access: yes, 2016
In this paper, the unknown parameters of the photovoltaic (PV) module are determined using Genetic Algorithm (GA) method. This algorithm based on minimizing the absolute difference between the maximum power obtained from module datasheet and the maximum ...
I. Abdelqawee   +4 more
semanticscholar   +1 more source

Liquid polymorphism and density anomaly in a three-dimensional associating lattice gas

open access: yes, 2006
We investigate the phase diagram of a three-dimensional associating gas $(ALG)$ model. This model combines orientational ice-like interactions and ``van der Waals'' that might be repulsive, representing, in this case, a penalty for distortion of hydrogen
Aline L. Balladares   +4 more
core   +1 more source

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