|
|
|
|
|
Brian G. Roche, Michael A. Perez, Wesley N. Donald and Jarrell Blake Whitman
Sediment barriers are used on construction sites to protect downstream waterbodies from the impacts of sediment-laden stormwater runoff. Although ubiquitous on construction sites, many sediment barrier practices lack performance-based testing to determin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessandro Curcio, Alessandro Cianchi, Gemma Costa, Francesco Demurtas, Michael Ehret, Massimo Ferrario, Mario Galletti, Danilo Giulietti, José Antonio Pérez-Hernández and Giancarlo Gatti
We present an analysis of the performance of a broadband secondary radiation source based on a high-gradient laser-plasma wakefield electron accelerator. In more detail, we report studies of compact and ultra-short X-ray generation via betatron oscillati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michelle H. Busch, Katie H. Costigan, Ken M. Fritz, Thibault Datry, Corey A. Krabbenhoft, John C. Hammond, Margaret Zimmer, Julian D. Olden, Ryan M. Burrows, Walter K. Dodds, Kate S. Boersma, Margaret Shanafield, Stephanie K. Kampf, Meryl C. Mims, Michael T. Bogan, Adam S. Ward, Mariana Perez Rocha, Sarah Godsey, George H. Allen, Joanna R. Blaszczak, C. Nathan Jones and Daniel C. Allenadd Show full author list remove Hide full author list
Rivers that cease to flow are globally prevalent. Although many epithets have been used for these rivers, a consensus on terminology has not yet been reached. Doing so would facilitate a marked increase in interdisciplinary interest as well as critical n...
ver más
|
|
|
|
|
|
|
|
|
|
|
R. Alan Bugg, Wesley Donald, Wesley Zech and Michael Perez
Erosion and sediment controls on construction sites minimize environmental impacts from sediment-laden stormwater runoff. Silt fence, a widely specified perimeter control practice on construction projects used to retain sediment on-site, has limited perf...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ernesto Perez,Michael R. Cooper,Vladimir Covacevich
Pág. 181 - 185
RESUMEN. El hallazgo del ammonite Parahoplites gr. nutfieldiensis (J. Sowerby) en los estratos superiores de la Formacion Pabellon, Region de Atacama, indica una edad minima aptiana superior temprana para esta unidad. Lo anterior modifica la edad barremi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michael R. Cooper,Ernesto Perez,Renato Reyes
Pág. 51 - 59
ABSTRACT. Trigonia nepos Paulcke is a poorly known bivalve from the late Aptian of northern Chile. Although the syntypes are lost, believed destroyed, topotype material shows it to represent a new genus of Pterotrigoniinae for which the name Paulckella g...
ver más
|
|
|
|
|
|
|
|
|
|
|
L. Gurovich, J. Stern
Pág. 35 - 42
Variabilidad espacial de la velocidad de infiltración del agua en el suelo. I. Generación de datosCiencia e Investigación Agraria, Revista latinoamericana en Ciencias de la Agricultura, está indexada en las siguientes bases de datos: Thomson ISI, Alerta ...
ver más
|
|
|
|
|
|