1.433   Artículos

 
en línea
Wongwan Jung and Daejun Chang    
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Kristina M. Chomiak, Wendy A. Owens-Rios, Carmella M. Bangkong, Steven W. Day, Nathan C. Eddingsaas, Matthew J. Hoffman, André O. Hudson and Anna Christina Tyler    
Plastic debris is a growing threat in freshwater ecosystems and transport models predict that many plastics will sink to the benthos. Among the most common plastics found in the Laurentian Great Lakes sediments are polyethylene terephthalate (especially ... ver más
Revista: Water    Formato: Electrónico

 
en línea
Farouk Smith and Jieun Bae    
This paper presents the design and development of a sub-joule micro-Pulsed Plasma Thruster (µPPT) as a possible low-cost propulsion solution for Pocket-Cubes, used to increase its reliability, capability, and lifetime. It is shown that the µPPT successfu... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Haiping Zhang, Jessica J. Pilgram, Carmen G. Constantin, Lucas Rovige, Peter V. Heuer, Sofiya Ghazaryan, Marietta Kaloyan, Robert S. Dorst, Derek B. Schaeffer and Christoph Niemann    
We present two-dimensional (2D) optical Thomson scattering measurements of electron density and temperature in laser-produced plasmas. The novel instrument directly measures ne(x,y)" role="presentation">????(??,??)ne(x,y) n e ( x , y ) and Te(x,y)" role... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Andrea E. Copping, Daniel J. Hasselman, Charles W. Bangley, Joel Culina and Max Carcas    
Commercial development of tidal stream energy is hampered by technical and financial challenges, and impeded by uncertainty about potential environmental effects that drive environmental risk assessments and permitting (consenting) processes. The effect ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Donald J. Anderson, Kevin W. Franke, Robert E. Kayen, Shideh Dashti and Mahir Badanagki    
Following the M7.0 strike-slip earthquake near Kumamoto, Japan, in April of 2016, most geotechnical engineering experts believed that there would be significant soil liquefaction and liquefaction-induced infrastructure damage observed in the densely popu... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Jubilee Prasad-Rao, Olivia J. Pinon Fischer, Neil C. Rowe, Jesse R. Williams, Tejas G. Puranik, Dimitri N. Mavris, Michael W. Natali, Mitchell J. Tindall and Beth W. Atkinson    
The cost to train a basic qualified U.S. Navy fighter aircraft pilot is nearly USD 10 M. The training includes primary, intermediate, and advanced stages, with the advanced stage involving extensive flight training, and, thus, is very expensive as a resu... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Hui Shao, Yuxin Miao, Fabián G. Fernández, Newell R. Kitchen, Curtis J. Ransom, James J. Camberato, Paul R. Carter, Richard B. Ferguson, David W. Franzen, Carrie A. M. Laboski, Emerson D. Nafziger, John E. Sawyer and John F. Shanahan    
Plant N concentration (PNC) has been commonly used to guide farmers in assessing maize (Zea mays L.) N status and making in-season N fertilization decisions. However, PNC varies based on the development stage. Therefore, a relationship between biomass an... ver más
Revista: Agronomy    Formato: Electrónico

 
en línea
Pappu Kumar Yadav, J. Alex Thomasson, Robert Hardin, Stephen W. Searcy, Ulisses Braga-Neto, Sorin C. Popescu, Roberto Rodriguez III, Daniel E. Martin, Juan Enciso, Karem Meza and Emma L. White    
Plastic shopping bags are often discarded as litter and can be carried away from roadsides and become tangled on cotton plants in farm fields. This rubbish plastic can end up in the cotton at the gin if not removed before harvest. These bags may not only... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Asim Mehmood, Peter M. Dracatos, Linta Maqsood, Qudsia Yousafi, Abrar Hussain, Muhammad J. Jaskani, Muhammad W. Sajid, Muhammad S. Haider and Muhammad M. Hussain    
Molecular germplasm characterization is essential for gathering information on favorable attributes and varietal improvement. The current study evaluated the genetic divergence and population structure of 80 potato genotypes collected from Punjab, Pakist... ver más
Revista: Agriculture    Formato: Electrónico

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