MOOC(massive open online course)即大规模在线开放课程(又名慕课),以全新的教学理念与教学方式对传统高等教育产生了极大的冲击。把MOOC的核心理念应用于线下传统课堂的改造,期望从四个方面提升教学质量:(1)保持开放心态,实现课堂去...MOOC(massive open online course)即大规模在线开放课程(又名慕课),以全新的教学理念与教学方式对传统高等教育产生了极大的冲击。把MOOC的核心理念应用于线下传统课堂的改造,期望从四个方面提升教学质量:(1)保持开放心态,实现课堂去中心化;(2)积极利用网络,实现翻转课堂;(3)精雕细刻,实现精细化教学;(4)重视学生学习体验,强化学生参与感。展开更多
An automated underground mine monitoring and communication system based on the integration of new technologies is introduced to promote safety and health,operational management and cost-effectiveness.The proposed syst...An automated underground mine monitoring and communication system based on the integration of new technologies is introduced to promote safety and health,operational management and cost-effectiveness.The proposed system integration considering Wireless Sensor Network(WSN) assisted Geographic Information System(GIS) enables to monitor and control underground mining applications from surface office.Based on the capabilities of WSNs,ZigBee network is adapted for near real-time monitoring,ventilation system control and emergency communication in underground mine.ZigBee nodes were developed to sense environmental attributes such as temperature,humidity and gases concentration;switching ON and OFF ventilation fans;and texting emergency messages.A trigger action plan for monitored attributes above normal and threshold value limits is programmed in the surface GIS management server.It is designed to turn the auxiliary fans on remotely or automatically in orange condition and sending evacuation messages for underground miners in unsafe(red) condition.Multi-users operation and 3D visualisations are other successful achievements of the proposed system for the underground monitoring and communication.展开更多
文摘MOOC(massive open online course)即大规模在线开放课程(又名慕课),以全新的教学理念与教学方式对传统高等教育产生了极大的冲击。把MOOC的核心理念应用于线下传统课堂的改造,期望从四个方面提升教学质量:(1)保持开放心态,实现课堂去中心化;(2)积极利用网络,实现翻转课堂;(3)精雕细刻,实现精细化教学;(4)重视学生学习体验,强化学生参与感。
文摘An automated underground mine monitoring and communication system based on the integration of new technologies is introduced to promote safety and health,operational management and cost-effectiveness.The proposed system integration considering Wireless Sensor Network(WSN) assisted Geographic Information System(GIS) enables to monitor and control underground mining applications from surface office.Based on the capabilities of WSNs,ZigBee network is adapted for near real-time monitoring,ventilation system control and emergency communication in underground mine.ZigBee nodes were developed to sense environmental attributes such as temperature,humidity and gases concentration;switching ON and OFF ventilation fans;and texting emergency messages.A trigger action plan for monitored attributes above normal and threshold value limits is programmed in the surface GIS management server.It is designed to turn the auxiliary fans on remotely or automatically in orange condition and sending evacuation messages for underground miners in unsafe(red) condition.Multi-users operation and 3D visualisations are other successful achievements of the proposed system for the underground monitoring and communication.