The bright side and the dark side of foreign language boredom in learner engagement: a moderated mediation model of foreign language playfulness and boredom-coping strategies

100 Synthesis of Hollow CuS and PdS via Microwave-Assisted Cation Exchange 100 Research on Optical Fiber Composite Overhead Wire (OPGW) Lightning Monitoring Technology Based on Weak Fiber Bragg Grating Array 100 Entstehung und Aufstieg des Neukantianismus 50 Impact of playful objects on wellbeing, emotions and engagement in patients with dementia and post-stroke cognitive impairment 50 Visible Light Promoted Indole C-3 Formylation Using Eosin Y as a Photoredox Catalyst 10 Mechanical Insufflation-Exsufflation Implementation and Management, Aided by Graphics Analysis. 30 Adaptive multi-scale local correction for semi-supervised 3d medical image segmentation 20 Semi-supervised medical image segmentation with dual-branch mixup-decoupling confidence training 20 Histone lactylation contributes to neuropathic pain by facilitating m6A reader protein IGF2BP2 expression in DRG sensory neurons. 10 Efficient Product Regulation of CO2 Hydrogenation over an Intelligent Dual-Zeolite System