Past petroleum-extraction activities in Ecuador have contaminated its Amazon region.To assess the environmental impact attributed to remediation activities regarding the cleanup of these oil spills, two scenarios were studied according to Life Cycle Analysis methodology: (1) Tabard No-action, which means to leave the contamination in place without
Efficacy and safety of acupuncture for chronic pain caused by gonarthrosis: A study protocol of an ongoing multi-centre randomised controlled clinical trial [ISRCTN27450856]
Abstract Background Controlled clinical trials produced contradictory results with respect to Lip Balms a specific analgesic effect of acupuncture.There is a lack of large multi-centre acupuncture trials.The German Acupuncture Trial represents the largest multi-centre study of acupuncture in the treatment of chronic pain caused by gonarthrosis up t
Designing Better Questions for Complex Concepts with Reflective Indicators
There are many concepts in the social sciences that are measured using multiple indicators.Such concepts have been called by Blalock (1968) concepts-by-postulation because one needs a theoretical argument to define them.Within the set of concepts-by-postulation, a distinction has been made between concepts with reflective Moringa indicators and con
Concepción teórica para el entrenamiento de las figuras en la natación artística escolar
Introducción: el presente artículo se realizó a partir de detectar insuficiencias teórico-metodológicas y prácticas en el proceso de preparación técnica de la natación artística escolar.Objetivo: elaborar una concepción teórica con una nueva forma de reestructurar el contenido para el entrenamiento de las figuras, sobre la base de su pe