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Velazquez-Jimenez, Litza Halla; Torres-Rodriguez, Luz Maria; Garcia-de la Cruz, Ramon Fernando; Montes-Rojas, Antonio; Lopez-Arteaga, Rafael Eduardo – Journal of Chemical Education, 2010
An electrochemical experiment is presented to illustrate biosorption to second-year and upper-division undergraduate students. The extraction of Cd[superscript 2+], Pb[superscript 2+], and Cu[superscript 2+] by nonliving "Typha latifolia" (cattail) roots can be monitored in real time by potentiometry determinations. The open circuit potential…
Descriptors: Undergraduate Students, Plants (Botany), Hazardous Materials, Metallurgy
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Jorgenson, Andrew – Social Forces, 2006
The human dimensions of greenhouse gas emissions and global warming attract considerable attention in macrosociology. However, cross-national analyses generally neglect greenhouse gases other than carbon dioxide. The current study addresses this paucity through the testing of theoretically derived models for the social structural causes of the…
Descriptors: Climate, Social Organizations, Fuels, Economic Development