This paper provides a comparative analysis of the energy consumption and carbon emissions of four typical HVAC systems (water-cooled chiller + gas boiler, ground source heat pump, air source heat pump, and variable refrigerant flow units) in the operation phase. The carbon emission performance of different HVAC systems in operation is...
The rapid proliferation of Artificial Intelligence Generated Content (AIGC) has precipitated an ontological crisis in copyright law, challenging its foundational anthropocentric principles. This study constructs a tripartite subjecthood framework to resolve attribution dilemmas across the autonomy spectrum of generative systems. Through...
This study aims to explore the relationship between Nasdaq Index fluctuations and depression indices among different age groups in the United States. By analyzing various indicators of the Nasdaq Index and age-specific depression index data provided by the U.S. Centers for Disease Control and Prevention (CDC) from 2020 to 2024, the study...
At present, people's understanding of intervertebral disc herniation is incomplete. Intervertebral disc herniation does not mean the disc "falling out" from between two vertebrae, but rather the rupture of the annulus fibrosus, with the nucleus pulposus protruding and compressing surrounding ligaments and muscles, resulting in space-occupying...
