Search Results - "Toma, Liviu"

Forest Habitat Fragmentation in Mountain Protected Areas Using Historical Corona KH-9 and Sentinel-2 Satellite Imagery by Olariu, Bogdan, Vîrghileanu, Marina, Mihai, Bogdan-Andrei, Săvulescu, Ionuț, Toma, Liviu, Săvulescu, Maria-Gianina

“…Forest habitat fragmentation is one of the global environmental issues of concern as a result of forest management practices and socioeconomic drivers. In this…”
Get full text

Remote Sensing-Based Analysis of Urban Landscape Change in the City of Bucharest, Romania by Nistor, Constantin, Vîrghileanu, Marina, Cârlan, Irina, Mihai, Bogdan-Andrei, Toma, Liviu, Olariu, Bogdan

“…The paper investigates the urban landscape changes for the last 50 years in Bucharest, the capital city of Romania. Bucharest shows a complex structural…”
Get full text

Piezoresistive Effect in SiOC Ceramics for Integrated Pressure Sensors by Riedel, Ralf, Toma, Liviu, Janssen, Enrico, Nuffer, Jürgen, Melz, Tobias, Hanselka, Holger

“…Piezoresistivity was found in silicon oxycarbide (SiOC) ceramics synthesized using a polymer‐to‐ceramic transformation process. A commercial polysiloxane,…”
Get full text

Correlation Between Intrinsic Microstructure and Piezoresistivity in a SiOC Polymer-Derived Ceramic by Toma, Liviu, Kleebe, Hans-Joachim, Müller, Mathis M., Janssen, Enrico, Riedel, Ralf, Melz, Tobias, Hanselka, Holger

“…Transmission electron microscopy was performed on a carbon‐containing SiOC material derived from a polymer precursor pyrolyzed at 1100°C and subsequently…”
Get full text

Photogrammetric Modelling for Urban Medieval Site Mapping. A Case Study from Curtea de Argeş, Romania by Nistor, Constantin, Mihai, Bogdan, Toma, Liviu, Carlan, Irina

“…Detailed mapping of urban historical sites superposed on natural landforms within built-up areas is a real challenge. Digital photogrammetric techniques meet…”
Get full text

Urban landscape change in Carpathian Mountain Resorts by Nistor, Constantin, Mihai, Bogdan-Andrei, Toma, Liviu, Olariu, Bogdan, Rujoiu-Mare (Vîrghileanu), Marina-Ramona

“…Mapping of urban landscape change in detail scale is a difficult task when analysis is focused on a longer period with little data available. This is also the…”
Get full text

Closed-form variance formula of the RPHD single-tone frequency estimator by Toma, Liviu, Sabata, De, Mischie, Septimiu

“…In this paper, we provide a very convenient, closed-form formula for the variance of the single tone frequency estimator in the reformed Pisarenko harmonic…”
Get full text

Polymer-derived mullite–SiC-based nanocomposites by Riedel, Ralf, Toma, Liviu, Fasel, Claudia, Miehe, Gerhard

“…Ceramic mullite–SiC nanocomposites were successfully produced at temperatures below 1500 °C by the polymer pyrolysis technique. An alumina-filled…”
Get full text

Trans-dicyanobis(acetylacetonato)ruthenate(III) as a precursor to build novel cyanide-bridged Ru III–M II bimetallic compounds [M = Co and Ni] by Toma, Luminita Marilena, Toma, Liviu Dan, Delgado, Fernando S., Ruiz-Pérez, Catalina, Sletten, Jorunn, Cano, Joan, Clemente-Juan, Juan Modesto, Lloret, Francesc, Julve, Miguel

“…The use of the mononuclear complex trans-[Ru(acac) 2(CN) 2] − as a ligand towards the preformed species [Ni 2L(H 2O) 2Cl 2], [Co(dmphen)](NO 3) 2,…”
Get full text

Influence of nano-aluminum filler on the microstructure of SiOC ceramics by Toma, Liviu, Fasel, Claudia, Lauterbach, Stefan, Kleebe, Hans-Joachim, Riedel, Ralf

“…Ceramic SiC–mullite–Al 2O 3 based nanocomposites were successfully obtained at temperatures below 1500 °C after pyrolysis and annealing of green compacts…”
Get full text

Porous Capsules Allow Pore Opening and Closing That Results in Cation Uptake by Müller, Achim, Toma, Liviu, Bögge, Hartmut, Schäffer, Christian, Stammler, Anja

“…Popping corks: The protonated urea ions (C black, N/O green) that cork the pores of a polyoxomolybdate capsule (Mo blue, O red) can be reversibly removed…”
Get full text

SiOC Glass-Diamond Composites by Sellappan, Pathikumar, Toma, Liviu, Miehe, Gerhard, Célarié, Fabrice, Rouxel, Tanguy, Riedel, Ralf

“…New types of bulk SiOC glass matrix composites reinforced with diamond particles were successfully fabricated. Diamond particles were introduced into the SiOC…”
Get full text

Synergetic activation of "silent receptor" sites leading to a new type of inclusion complex: integration of a 64-membered ring comprising K+ and SO4(2-) ions into a molybdenum oxide-based nanoobject by Müller, Achim, Toma, Liviu, Bögge, Hartmut, Schmidtmann, Marc, Kögerler, Paul

“…The new type of inclusion species [Mo(VI)114Mo(V)32O429(H2O)50(KSO4)16]30- comprising 16 encapsulated K+ and SO4(2-) ions shows an unusual 64-membered…”
Get more information

Extending the frequency measurement of a single sinusoid above the Nyquist limit based on zero crossings method by Mischie, Septimiu, Toma, Liviu

“…This paper presents the measurement of the frequency of a single sinusoid by counting the zero crossings and extends it above the Nyquist limit. For this…”
Get full text

Porous Capsules Allow Pore Opening and Closing That Results in Cation Uptake by Müller, Achim, Toma, Liviu, Bögge, Hartmut, Schäffer, Christian, Stammler, Anja

“…Knallende Korken: Die protonierten Harnstoffionen (C schwarz, N/O grün), die die Poren einer Polyoxomolybdatkapsel (Mo blau, O rot) verschließen, lassen sich…”
Get full text

INTEGRAL reloaded: spacecraft, instruments and ground system by Kuulkers, Erik, Ferrigno, Carlo, Kretschmar, Peter, Alfonso-Garzon, Julia, Baab, Marius, Bazzano, Angela, Belanger, Guillaume, Benson, Ian, Bird, Anthony J, Bozzo, Enrico, Brandt, Soren, Coe, Elliott, Caballero, Isabel, Cangemi, Floriane, Chenevez, Jerome, Cenko, Bradley, Cinar, Nebil, Coleiro, Alexis, De Padova, Stefano, Diehl, Roland, Dietze, Claudia, Domingo, Albert, Drapes, Mark, D'uva, Eleonora, Ehle, Matthias, Ebrero, Jacobo, Edirimanne, Mithrajith, Eismont, Natan A, Finn, Timothy, Fiocchi, Mariateresa, Tomas, Elena Garcia, Gaudenzi, Gianluca, Godard, Thomas, Goldwurm, Andrea, Gotz, Diego, Gouiffes, Christian, Grebenev, Sergei A, Greiner, Jochen, Gros, Aleksandra, Hanlon, Lorraine, Hermsen, Wim, Hernandez, Cristina, Hernanz, Margarita, Huebner, Jutta, Jourdain, Elisabeth, La Rosa, Giovanni, Labanti, Claudio, Laurent, Philippe, Lehanka, Alexander, Lund, Niels, Madison, James, Malzac, Julien, Martin, Jim, Mas-Hesse, J. Miguel, McBreen, Brian, McDonald, Alastair, McEnery, Julie, Mereghetti, Sandro, Natalucci, Lorenzo, Ness, Jan-Uwe, Oxborrow, Carol Anne, Palmer, John, Peschke, Sibylle, Petrucciani, Francesco, Pfeil, Norbert, Reichenbaecher, Michael, Rodi, James, Rodriguez, Jerome, Roques, Jean-Pierre, Donate, Emilio Salazar, Salt, Dave, Sanchez-Fernandez, Celia, Sauvageon, Aymeric, Savchenko, Volodymyr, Sazonov, Sergey Yu, Scaglioni, Stefano, Schartel, Norbert, Siegert, Thomas, Southworth, Richard, Sunyaev, Rashid A, Toma, Liviu, Ubertini, Pietro, Heuvel, Ed P. J. van den, von Kienlin, Andreas, von Krusenstiern, Nikolai, Winkler, Christoph, Wojciech, Hajdas, Zannoni, Ugo

“…ESA's INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) was launched on 17 Oct 2002 at 06:41 CEST. Since then, it has been providing long,…”
Get full text

Porous Capsules Allow Pore Opening and Closing That Results in Cation Uptake by Müller, Achim, Toma, Liviu, Bögge, Hartmut, Schäffer, Christian, Stammler, Anja

Get full text

Analysis of an algorithm for real tone frequency estimation by De Sabata, A., Toma, L.

“…In this paper, we analyze an algorithm devised for the frequency estimation of a real, noisy sinusoid, at low signal-to-noise ratios. The algorithm consists of…”
Get full text

Precise online camera calibration in a robot navigating vision system by Fangwu Shu, Toma, L., Neddermeyer, W., Jianwei Zhang

“…This paper proposes a camera calibration method with the aid of a robot, which is navigated by a vision system after all cameras in the system are calibrated…”
Get full text