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Displaying Results 101 - 125 of 11221 on page 5 of 449

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Noncommutative BTZ Black Hole and Discrete Time (2007)

Dolan, B.P.; Gupta, Kumar S.; Stern, A.

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A wavelet transfer model for time series forecasting (2007)

Fay, Damien; Ringwood, John

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Convergence of parameter and delay estimates using open loop time domain gradient methods (2000)

O'Dwyer, Aidan; Ringwood, John

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Multi-timescale measurements of brain responses in visual cortex during functional stimulation using time-resolved spectroscopy (2005)

Lebid, S.; O'Neill, R.; Markham, Charles; Ward, Tomas E.; Coyle, S

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Impact of Time-interleaved Analog-to-Digital Converter Mismatch on Digital Receivers (2008)

Soudan, Michael; Farrell, Ronan

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A Comparative Study in the Use of Brachial Photoplethysmography and the QRS Complex as Timing References in Determination of Pulse Transit Time (2001)

Maguire, M.; Ward, Tomas E.; Markham, Charles; O'Shea, D.; Kevin, L.

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Using Perceptual Feedback To Determine Time-Space Threshold Values For Dead Reckoning (2006)

Kenny, Alan; McLoone, Seamus; Ward, Tomas E.; Delaney, Declan

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A new technique for the real-time recovery of Fabry-Perot line profiles (1986)

Mulligan, F.J.

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Time use, daily activities, and health-related quality of life of school-going late adolescents in Cork city and county: A cross-sectional study (2014)

Hunt, Eithne B.

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Real-time Dense Simultaneous Localisation and Mapping over Large Scale Environments (2014)

Whelan, Thomas J.

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Towards Real-Time Geodemographics: Clustering Algorithm Performance for Large Multidimensional Spatial Databases (2010)

Adnan, Muhammad; Longley, Paul; Singleton, Alex D; Brunsdon, Chris

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RT-WiFi: Real-Time High Speed Communication Protocol for Wireless Control Systems (2013)

Wei, Yi-Hung; Leng, Quan; Han, Song; Mok, Aloysius K.; Zhang, Wenlong; Tomizuka, Masayo...

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Real-time event classification in field sport videos (2015)

Kapela, Rafal; Świetlicka, Aleksandra; Rybarczyk, Andrzej; Kolanowski, Krzysztof; O...

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On common quadratic Lyapunov functions for stable discrete-time LTI systems (2002)

Mason, Oliver; Shorten, Robert N.

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Run-Time Cohesion Metrics: An Empirical Investigation (2004)

Mitchell, Aine; Power, James F.

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A distributed architecture for the monitoring and analysis of time series data (2015)

O'Reilly, Ruairi Donagh

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Real-time virtual metrology and control of etch rate in an industrial plasma chamber (2012)

Lynn, S.; Macgearailt, N.; Ringwood, John

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An Investigation of Hypofrontality in an Animal Model of Schizophrenia Using Real-Time Microelectrochemical Sensors for Glucose, Oxygen, and Nitric Oxide (2013)

Finnerty, Niall J.; Bolger, Fiachra B.; Pålsson, Erik; Lowry, John P.

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How has my home area changed over time? Exploring a key geographical concept using on-line resources and fieldwork (2015)

Kearns, Gerard; Waddington, Shelagh B.

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Time-limited home-care reablement services for maintaining and improving the functional independence of older adults (2016)

Cochrane, Andy; Furlong, Mairead; McGilloway, Sinead; Molloy, D. William; Stevenson, Mi...

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An investigation into the photochemistry of, and the electrochemically induced CO-loss from, [(CO)5MC(OMe)Me](M = Cr or W) using low-temperature matrix isolation, picosecond infrared spectroscopy, cyclic voltammetry, and time-dependent density functional theory (2015)

McMahon, Suzanne; Amirjalayer, Saeed; Buma, Wybren J.; Halpin, Yvonne; Long, Conor; Roo...

McMahon, Suzanne; Amirjalayer, Saeed; Buma, Wybren J.; Halpin, Yvonne; Long, Conor; Rooney, A. Denise; Woutersenc, Sander; Pryce, Mary T.

Abstract:

The photophysics and photochemistry of [(CO)5MC(OMe)Me] (M = Cr or W) were investigated using picosecond time-resolved infrared spectroscopy (M = Cr or W), low-temperature matrix isolation techniques (M = Cr), and time-dependent density functional calculations (M = Cr or W). These studies provide unambiguous evidence for the photochemical formation of a long-lived, 18-electron metallaketene species capable of acting as a synthetically useful intermediate. For the Cr complex, an intermediate metallacyclopropanone singlet excited state was detected on the reaction path to the metallaketene species. This metallacyclopropanone excited state species has a lifetime of less than 100 ps and a characteristic bridging carbonyl band at 1770 cm−1. The tungsten ketene species was also detected but in contrast to the chromium system, this forms directly from a low-lying triplet excited state. The electrochemical release of CO showed a greater efficiency for the chromium complex when compared to t...