Modelado tridimensional del flujo de aire en el cilindro de motores diésel de inyección directa

Con la intención de acercar la cultura del acero al lector común, en este libro el doctor Lorenzo Martínez trata con sencillez algunos aspectos de la producción y la historia del valioso metal. Resultante de la aleación del hierro y el carbono, el acero ha revolucionado en los últimos dos siglos el avance tecnológico.

"An urgent and expert investigation into behavioral addiction, the dark flipside of today's unavoidable digital technologies, and how we can turn the tide to regain control. Behavioral addiction may prove to be one of the most important fields of social, medical, and psychological research in our lifetime. The idea that behaviors can be being addictive is new, but the threat is near universal. Experts are just beginning to acknowledge that we are all potential addicts. Adam Alter, a professor of psychology and marketing at NYU, is at the cutting edge of research into what makes these products ...

Si estás preparado para dejar de lado la vida de locos planteada por las grandes multinacionales y pasar a ser tu propio jefe, el sector agropecuario es una opción interesante. Obviamente hay trabajo que hacer y riesgos a los que enfrentarse a la hora de empezar, pero la recompensa supera claramente los riesgos que has de correr.

The use of pathogens and natural enemies of pests to control their populations is an age-old technique. Unfortunately, this technique was abandoned owing to the spread of chemical fighting. Nowadays, the new general attitude towards environmental protection has boosted biological management, an essential element for any sustainable agriculture strategy. The challenge behind this book is that of making this technique known and of increasing general interest in more sustainable plant protection techniques.