基础课培养学生科研意识有效教学策略探讨北大核心CSSCI

教师的主导作用是基础课培养学生科研意识的关键,教师科研和教学"两只翅膀"都硬起来是起主导作用的基础。通过凸显教材创新意识,建设科学思维平台;提倡批判性思维模式,培养科学思辨能力;注重文献介绍,扩大科学视野;讲究授课艺术,展现科学魅力;引入化学史例,激发科学研究欲望;规范第二课堂,训练科学素养等一系列有效教学策略,达成基础课培养学生科研意识的目标。     

One hundred marathons in 100 days: Unique biomechanical signature and the evolution of force characteristics and bone density

Background:An extraordinary long-term running performance may benefit from low dynamic loads and a high load-bearing tolerance.An extraordinary runner(age=55 years,height=1.81 m,mass=92 kg) scheduled a marathon a day for 100 consecutive days.His running biomechanics and bone density were investigated to better understand successful long-term running in the master athlete.Methods:Overground running gait analysis and bone densitometry were conducted before the marathon-a-day challenge and near its...