This study focused on the stability control of roof in long wall stratified mining of large dip angle thick coal seam.Taking Panbei Coal Mine in Huainan as an example, the effect mechanism of water content, compression ratio and grain size grading on the compression characteristics of gangue is analyzed by comprehensive application of gangue latera
Screws In the next-generation heterogeneous wireless networks, a mobile terminal with a multi-interface may have network access from different service providers using various technologies.In spite of this heterogeneity, seamless intersystem mobility is a mandatory requirement.One of the major challenges for seamless mobility is the creation of a ne
Child and adolescent mental health issues have a wide prevalence and cause serious burden and stress to the psychosocial health of parents and caregivers.Psychosocial interventions have proved to be useful adjuncts to pharmacological treatment in childhood psychiatric conditions because of their long standing nature and psychosocial implications.Th
Inflammatory bowel disease (IBD) coincides with profound shifts in microbiota and host metabolic energy supply and demand.The gastrointestinal epithelium is anatomically positioned to provide a selective barrier between the anaerobic luminal microbiota and host lamina propria, with the microbiota and epithelium participating in an intricate energy
Expansion joints are installed on the sodium pipelines of fast reactor power stations to absorb the displacement for thermal compensation.This can reduce the difficulty in the layout of pipelines, supports and hangers, Personal Care effectively shorten the length of sodium pipelines and reduce the number of spring supports and hangers, thus realizi