Abstract: As educational technologies mature at a growing rate, effective models of instructional delivery systems that can deliver learning experiences based on the individual learner’s learning ...
Abstract: As the core of coal mine safety production, the mine ventilation system plays a crucial role in ensuring the safety of the underground environment and reducing energy consumption.
The writer and comedian Megan Koester got her first writing job, reviewing internet pornography, from a Craigslist ad she responded to more than 15 years ago. Several years after that, she used the ...