Efficient Integration of Direct Air Capture With HVAC System حسب Yasser Mohamed Mohamed Taher Abdellatif (20741534)

"…Positioning the DAC unit after the exhaust fan markedly increases Direct air capture efficiency, from 5.3% to 27.19% on peak demand days. Experimental results with sorbents like SBA-15 functionalized with Tetraethylenepentamine (TEPA) show substantial increases in CO₂ adsorption capacity. …"

Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021 حسب Natalia V, Bhattacharjee

"…The proportion of livebirths occurring in sub-Saharan Africa was forecast to increase to more than half of the world's livebirths in 2100, to 41·3% (39·6–43·1) in 2050 and 54·3% (47·1–59·5) in 2100. The share of livebirths was projected to decline between 2021 and 2100 in most of the six other super-regions—decreasing, for example, in south Asia from 24·8% (23·7–25·8) in 2021 to 16·7% (14·3–19·1) in 2050 and 7·1% (4·4–10·1) in 2100—but was forecast to increase modestly in the north Africa and Middle East and high-income super-regions. …"
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