Pauline Katharina Mantell, Annika Baumeister, Hildegard Christ, Stephan Ruhrmann, Christiane Woopen
Peculiarities of health literacy in people with mental disorders: A cross-sectional study
The International journal of social psychiatry
according traditional concepts movement overlying strata surface damage caused coal mining horizontal coal seams symmetrical terms spatial distribution however lot engineering practices symmetry discovered often use symmetry function establish profile prediction function surface damage results large difference prediction result actual situation solve problem paper takes subsidence velocity example firstly spatial distribution functions subsidence velocity sides deduced theoretically comparison found change rate spatial distribution curve coal pillar side subsidence velocity smoother goaf side subsidence velocity curves skewed left secondly based idea lossless propagation harmonic waves idealizing propagation environment spatial propagation relationship surface subsidence velocity time domain established boxcox transform function introduced improve normal distribution probability density function new dynamic subsidence prediction model based boxcox transformation obtained suitable full mining stage model tested practical cases prediction accuracy better 7 prediction results meet needs engineering prediction accuracy 10 results research enrich existing subsidence prediction theory provide theoretical technical support prediction dynamic surface damage caused similar mining