Rock Fracture Mechanics and Fracture Criteria

For rock engineering projects, the cutting and fragmenting of rocks has attracted much attention. Exploring the fracture characteristics of rocks is helpful in achieving efficient and sustainable excavation for mining and tunneling engineering. The fracture toughness of rocks is a crucial mechanical indicator that weighs the initiation and extension of cracks during the breaking process.…

Children, media, and pandemic parenting: family life in uncertain times

This book examines changes in families’ rules and routines connected with media during the pandemic and shifts in parents’ understanding of children’s media use. Drawing on interviews with 130 parents at the height of the COVID-19 pandemic, the book explores specific cultural contexts across seven countries: Australia, Canada, China, Colombia, South Korea, United Kingdom, and United St…

Children, media, and pandemic parenting: family life in uncertain times

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