Quantcast
Channel: Nomenclatura Unesco > (23) Química
Browsing all 4618 articles
Browse latest View live

La química en mi vida

View Article


Evaluación de la dureza shore a en dos técnicas de impresión con siliconas...

Elastomerics materials currently represent a major choice in the dental market as an impression material. The aim of this study was to asses Shore A hardness of two condensation silicones (Zetaplus -...

View Article


Comparación entre la utilización de elementos rotatorios de baja velocidad y...

One of the main objectives during the pedodontics assistance is the use of noninvasive techniques, that allow the treatment of the dental caries without affecting the behavior of the child. The aim of...

View Article

Control mecánico - químico de la placa supragingival con diferentes...

The aim of the present study was to evaluate the effectiveness of Chlorhexidine in reducing supragingival biofilm index, This study compared two different concentrations of Chlorhexidine associated...

View Article

Multiresidue Analysis of Insecticides and Other Selected Environmental...

An analytical method was developed for the simultaneous determination in poultry manure of 41 organic contaminants belonging to different chemical classes: pesticides, polycyclic aromatic hydrocarbons,...

View Article


Occurrence and analysis of selected pharmaceutical compounds in soil from...

This work describes the analysis of 15 pharmaceutical compounds, belonging to different therapeutic classes (anti-inflammatory/analgesics, lipid regulators, antiepileptics, ?-blockers and...

View Article

Determination of selected pharmaceutical compounds in biosolids bysupported...

In this work, an analytical method was developed for the determination of pharmaceutical drugs inbiosolids. Samples were extracted with an acidic mixture of water and acetone (1:2, v/v) and...

View Article

Uso de residuos orgánicos domiciliarios en la obtención de materiales útiles...

Durante el desarrollo de este trabajo de tesis experimental se evaluaron diferentes aplicaciones con interés ambiental y nanotecnológico de residuos orgánicos domiciliarios, como son el caso de las...

View Article


Efecto de la aplicación de compost en las fracciones de carbono y...

Las sustancias húmicas del suelo se consideran la parte más recalcitrante y estable de la materia orgánica del suelo (MOS) y contribuyen a la sostenibilidad agrícola a largo plazo mediante el aumento...

View Article


Evaluación del efecto de cultivos de cobertura en suelos característicos de...

La Agroecología, como herramienta práctica y enfoque científico, aborda a través de todas sus dimensiones diversas formas de transición hacia sistemas sustentables. En esta estrategia, los componentes...

View Article

Resistência aos pesticidas piretróides em populações de Rhipicephalus...

A crescente resistência aos pesticidas em populações do carrapato Rhipicephalus microplus e da mosca-dos-chifres Haematobia irritans tem provocado prejuízos aos pecuaristas do Brasil. Testes...

View Article

Identificação de alvos moleculares para o diagnóstico quantitativo da...

Os programas de controle direcionados aos parasitas ainda exigem a utilização de produtos químicos para maior estabilidade operacional das ações de controle e o uso de carrapaticidas químicos é a...

View Article

Gerenciamento e tratamento de resíduos químicos dos laboratórios da Embrapa...

2006

View Article


Lesiones cervicales, oculares y faciales en usuarios de gafas por despliegue...

Los accidentes de tráfico son un problema actual causante de millones de muertes al año y lesiones permanentes. Esto tiene enormes repercusiones en la sociedad, con carga económica y social, por lo que...

View Article

Safety life cycle analysis applied to the engineering of pressure relief...

Chemical plants and other industrial installations process and store hazardous materials, which represent a certain risk to people, equipment and the environment. Overpressure is one of the most common...

View Article


“Acción de agentes químicos en la eliminación de Cándida albicans sobre...

The effectiveness of four chemical agents to eliminate Candida albicans on dentures was evaluated in this “in vitro” study. 10 Acrylic resin squares (25 x 25 x 3 mm) were immersed in a C albicans...

View Article

Análisis de la eficacia de agentes químicos de desinfección en materiales...

The aim of this in vitro study was to evaluate the disinfection efficacy of elastomeric impression materials such as polysulfides, polyethers, condensation and addition silicones. Ninety samples of...

View Article


Generalidades del Agregado de Trióxido Mineral (MTA) y su aplicación en...

Resumen La regeneración del tejido  dental y de sus tejidos de sostén son factores que proporcionaron la realización de este trabajo, en el que presentamos de forma concreta una visión general y actual...

View Article

Análisis químico y nutricional de tres insectos comestibles de interés...

Several countries worldwide have been characterized by the consumption of a variety of foods, Mexico is no an exception, as many plant and animal foods, integrating traditional and contemporary...

View Article

La química en mi vida

View Article
Browsing all 4618 articles
Browse latest View live