Results 11 to 20 of about 118,171 (291)

Laser-assisted guiding of electric discharges around objects [PDF]

, 2015
Electric breakdown in air occurs for electric fields exceeding 34 kV/cm and results in a large current surge that propagates along unpredictable trajectories.
Chen, Z., Christodoulides, D.N., Clerici, M., Couairon, A., Faccio, D., Hu, Y., Lassonde, P., Legare, F., Milian, C., Morandotti, R., Razzari, L., Vidal, F.   +11 more
core   +3 more sources

Counterpropagating frequency mixing with terahertz waves in diamond [PDF]

, 2012
Frequency conversion by means of Kerr-nonlinearity is one of the most common and exploited nonlinear optical processes in the UV, visible, IR and Mid-IR spectral regions.
Alessandro Busacca, Chan, Conti, Cook, Dai, Dai, Daniele Faccio, Ding, Eleonora Rubino, Gallo, Karpowicz, Levenson, Liu, Lu, Lucia Caspani, Marco Cassataro, Marco Peccianti, Matteo Clerici, Nahata, Novitsky, Ohlhoff, Reimann, Roberto Morandotti, Suizu, Tonouchi, Tsuneyuki Ozaki, Wang, Williams, Zhao   +28 more
core   +3 more sources

Las políticas energéticas de cara al desarrollo sostenible en Perú y Ecuador

América Latina Hoy, 2010
RESUMEN: Perú y Ecuador son dos productores medianos de hidrocarburos, a escala de América Latina: el primero es exportador de gas natural y el segundo de petróleo, lo que genera una renta significativa para el financiamiento de las políticas públicas en
Guillaume FONTAINE
doaj   +1 more source

Full recovery of ultrafast waveforms lost under noise

Nature Communications, 2021
Extracting weak, ultrafast single-shot waveforms from a noisy background has critical uses in many applications. Here, the authors present a method to enhance signals and recover arbitrary waveforms from very noisy backgrounds by manipulating the ...
Benjamin Crockett, Luis Romero Cortés, Saikrishna Reddy Konatham, José Azaña   +3 more
doaj   +1 more source

Vers la construction d’un capital environnemental par la lutte contre un projet d’aménagement ? Le barrage de Loyettes (Rhône-Alpes)

Développement Durable et Territoires, 2017
The Loyettes dam, planned on the Upper Rhône River, is one of the first dams to have been cancelled in France; the project was blocked during the legal public enquiry in 1982 before being completely abandoned in 1990.
Silvia Flaminio, Yves-François Le Lay
doaj   +1 more source

Quelles évolutions pour la consommation d'énergie domestique et la gestion des ressources naturelles dans les bassins d'approvisionnement des grandes villes du Sud ? [PDF]

, 2019
À l'occasion de la parution de ce numéro de Bois et Forêts des Tropiques, son coordonnateur tire un bilan des recherches-actions que lui-même et les équipes partenaires ont consacrées au bois-énergie en Afrique, pendant une quarantaine d'années.
Peltier, Régis
core   +1 more source

Manipulating Multiple Order Parameters via Oxygen Vacancies: The case of Eu0.5Ba0.5TiO3-{\delta} [PDF]

, 2017
Controlling functionalities, such as magnetism or ferroelectricity, by means of oxygen vacancies (VO) is a key issue for the future development of transition metal oxides.
Borisevich, Albina Y., Bowlan, John, Chen, Bin, Chen, Hou-Tong, Dai, Jiahong, Gu, Junxing, Guo, Haizhong, He, Qian, Hu, Zhijun, Jin, Kuijuan, Ju, Sheng, Li, Run-Wei, Li, Weiwei, Ling, Langsheng, Pi, Li, Ruediger, Andreas, Shen, Shipeng, Shi, Daning, Sun, Young, Velasco-Davalos, Ivan A., Wang, Haiyan, Wang, Le, Wang, Yongqiang, Wu, Yangjiang, Yang, Hao, Yarotski, Dmitry A., Zeng, Huizhong, Zhang, Wenrui, Zhang, Yuheng, Zhao, Run   +29 more
core   +3 more sources

Phase-enabled metal-organic framework homojunction for highly selective CO2 photoreduction

Nature Communications, 2021
Homojunctions are very promising in photocatalysis, but challenging to achieve. Herein, authors report a well-defined hierarchical metal–organic framework-based homojunction, formed via a one-pot synthesis route directed by hollow transition metal ...
Yannan Liu, Chuanshuang Chen, Jesus Valdez, Debora Motta Meira, Wanting He, Yong Wang, Catalin Harnagea, Qiongqiong Lu, Tugrul Guner, Hao Wang, Cheng-Hao Liu, Qingzhe Zhang, Shengyun Huang, Aycan Yurtsever, Mohamed Chaker, Dongling Ma   +15 more
doaj   +1 more source

Fast wide-field upconversion luminescence lifetime thermometry enabled by single-shot compressed ultrahigh-speed imaging

Nature Communications, 2021
Photoluminescence lifetime imaging of upconverting nanoparticles is useful for optical thermometry, but is limited for dynamic samples. Here, the authors present a wide-field and single shot approach based on compressive sensing, for video-rate ...
Xianglei Liu, Artiom Skripka, Yingming Lai, Cheng Jiang, Jingdan Liu, Fiorenzo Vetrone, Jinyang Liang   +6 more
doaj   +1 more source

L’autonomie alimentaire des élevages bovins français

Oilseeds and fats, crops and lipids, 2014
L’augmentation de la demande mondiale pour les protéines végétales animales à destination de l’alimentation humaine est une véritable opportunité pour la production bovine.
Rouillé Benoît, Devun Jean, Brunschwig Philippe   +2 more
doaj   +1 more source