During the attempt to directly access, measure and sample Subglacial Lake Ellsworth in 2012-2013, we conducted microbiological analyses of the drilling equipment, scientific instrumentation, field camp and natural surroundings. From these studies, a number of lessons can be learned about the cleanliness of deep Antarctic subglacial lake access leading to, in particular, knowledge of the limitat...

Indoor air quality is particularly important not only in schools, hospitals, nursing homes and other environments that accommodate sensitive people, but also production places with high cleanliness requirements. At present, most researches are aimed at testing the mass concentration of contaminants there few characterizations release characteristics(that is, rate) contaminants. Air pollutants g...

AIMS To assess whether pre-soaking files in an enzymatic cleaner prior to ultrasonic cleaning had any effect on cleanliness and also to assess the effect of the time that endodontic files spend in an ultrasonic bath prior to sterilization on their overall cleanliness. METHODOLOGY Twenty root canals in a total of ten patients were cleaned and shaped using conventional techniques. Following use...

Education is one of the important aspects for human beings. Through education, humans can learn to think critically, be moral, and civilized. Schools are a vital place in carrying out education each country has different way or curriculum that adapted existing culture educate younger generation. This difference also occurs Environmental Education. study focuses on differences environmental at e...