Guerra y construcción del Estado en Colombia 1810-2010

Despu s de su creaci n en 1935 y particularmente a ra z de su participaci n en la expropiaci n petrolera de 1938, muy pocos sindicatos han tenido tanta gravitaci n en la vida pol tica y sindical de M xico como el de los trabajadores petroleros. Esta importancia, gradualmente significativa en relaci n con el papel estrat gico que el petr leo lleg a desempe ar en la econom a y desarrollo del pa s, alcanz su expresi n m xima a partir de la d cada de los setenta, principalmente en la coyuntura del auge petrolero (1977-1981).

This book will provide comprehensive, practical knowledge for the design of reinforced concrete buildings. The approach will be unique as it will focus primarily on the design of various structures and structural elements as done in design offices with an emphasis on compliance with the relevant codes. It will give an overview of the integrated design of buildings and explain the design of various elements such as slabs, beams, columns, walls, and footings. It will be written in easy-to-use format and refer to all the latest relevant American codes of practice (IBC and ASCE) at every stage....

Various nuclear techniques have led to opportunities to enhance quality of life through services offered by ionizing radiation facilities (IRFs). National nuclear institutions, universities, medical centres, and private companies have established and used IRFs not only for research and development purposes but also for the provision of commercial services and goods. This publication provides guidance for organizations and institutions working on IRF projects to enable them to undertake them in a well-organized manner. It includes considerations for a feasibility study, provides detailed...

Written for mechanics and technicians, this course explains the function, measurements, components, and instruments of combustion motors. Cylinder placement and construction, heat measurements, workings of dual engines, and starter systems are studied. Presented in a step-by-step format that features numerous drawings, each lesson begins with an objective and an introduction to the theory and concept.