Koszalin University of Technology

Smoking behaviours and attitudes among dental students in three European countries: a multicentre cross-sectional study

Tobacco use remains a major public health concern and a significant risk factor for systemic and oral diseases. Dental students, as future healthcare professionals, are expected to play an important role in tobacco control and smoking cessation. This multicentre study aimed to as...

A Five-State Markov Reliability Model for GEO Satellites with Sequential Degradation, Sudden Critical Transitions, and Functional Restoration

Long-term GEO satellite operation requires reliability models that distinguish full mission capability from degraded but still functional states and from critical functional loss. This study develops a five-state Markov reliability model in which states S0–S4 represent successive...