|
|
|
|
|
Stefan Richter,Jens Götze,Hans Niemeyer,Robert Möckel
Pág. 386 - 396
In the present study a first found of agates in Chile is reported from the Cordón de Lila region in northern Chile. The agates occur as veins and lenses in altered Permian volcanic rocks. The rock composition is rhyodacitic/ dacitic consisting of a fine-...
ver más
|
|
|
|
|
|
|
|
|
Obi K. Echendu and Imyhamy M. Dharmadasa
A 3-layer graded-bandgap solar cell with glass/FTO/ZnS/CdS/CdTe/Au structure has been fabricated using all-electrodeposited ZnS, CdS and CdTe thin layers. The three semiconductor layers were electrodeposited using a two-electrode system for process simpl...
ver más
|
|
|
|
|
|
|
|
|
Álvaro Amigo,Luis E. Lara,Victoria C. Smith
Pág. 227 - 248
Tephra fall deposits and one large ignimbrite close to Chaitén and Michinmahuida Volcanoes were analyzed for chemistry and radiocarbon dated to correlate the eruptive units and establish the timing of eruptions. These data suggest that both volcanoes wer...
ver más
|
|
|
|
|
|
|
|
|
Mingjun Yang, Yongchen Song, Xuke Ruan, Yu Liu, Jiafei Zhao and Qingping Li
CO2 hydrate formation and dissociation is crucial for hydrate-based CO2 capture and storage. Experimental and calculated phase equilibrium conditions of carbon dioxide (CO2) hydrate in porous medium were investigated in t...
ver más
|
|
|
|
|
|
|
|
|
Kristine Horvat, Prasad Kerkar, Keith Jones and Devinder Mahajan
Sequestration of carbon dioxide (CO2) in the form of its hydrates in natural methane (CH4) hydrate reservoirs, via CO2/CH4 exchange, is an attractive pathway that also yields valuable CH4 gas as prod...
ver más
|
|
|
|