This review article presents an overview of instruments available on the market for measurement of particulate matter. The main instruments and methods of measuring concentration (gravimetric, optical, and microbalance) ...

El desarrollo la motricidad fina es un aspecto importante en la educación preescolar con vistas al futuro del individuo. Por eso, la presente tesis, con enfoque cuanti-cualitativo, descriptiva-propositiva, tiene como ...

Particulate matter (PM) is a crucial health risk factor for respiratory and cardiovascular diseases. The smaller size fractions, ≤2.5μm (PM2.5; fine particles) and ≤0.1μm (PM0.1; ultrafine particles), show the highest ...

This paper presents the results of bulk chemical compositional analyses of ceramic pastes through Instrumental Neutron Activation Analysis (INAA), which is the most precise method available for this kind of research. The ...

The present research work is aimed at studying the constitutionality of detention within a Constitutional State of Rights and Justice. The purpose is to determine if there is infringement of the fundamental rights recognized ...

The evaluation of the educative quality at the Escuela Superior Politécnica of Chimborazo Industrial Engineering career is a preliminary descriptive-explanatory study in order to establish the improvement plans oriented ...

En este trabajo se analiza la solución de problemas en estudiantes de psicología, en aspectos cognitivos y sociocognitivos. El objetivo es analizar el método de formación de dichos estudiantes en procesos de solución de ...