Hanwen Zhang

A Comprehensive Assessment Framework for the Sustainable Ecological Carrying Capacity of Chinese Cities Based on Time-Series Uncertainty and Interval-Valued Fermatean Fuzzy Sets

The assessment of sustainable ecological carrying capacity (SECC) serves as a crucial scientific foundation for supporting high-quality urbanization, advancing ecological civilization, and achieving the strategic goals of the “Dual Carbon” initiative. However, existing assessment...

Demographic time bomb in COPD (1990–2050)

Chronic obstructive pulmonary disease (COPD) is a leading global cause of morbidity and mortality, characterized by irreversible airflow limitation and progressive symptoms. Despite declining age-standardized rates (ASRs), absolute burdens are rising due to population aging and g...