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Displaying Results 151 - 175 of 12822 on page 7 of 513

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The Origin of Time (2017)

Stifter, David

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Absolute stability and Lyapunov–Krasovskii functionals for switched nonlinear systems with time-delay (2014)

Aleksandrov, Alexander; Mason, Oliver

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The Persistence of Sperm and the Development of Time Since Intercourse (TSI) Guidelines in Sexual Assault Cases at Forensic Science Ireland, Dublin, Ireland (2017)

Casey, David G.; Domijan, Katarina; MacNeill, Sarah; Rizet, Damien; O'Connell, Dec...

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Model Parameter And Time Delay Estimation Using Gradient Methods (1994)

O'Dwyer, Aidan; Ringwood, John

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Short-Term Wave Forecasting for Real-Time Control of Wave Energy Converters (2010)

Fusco, Francesco; Ringwood, John

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A classification of techniques for the compensation of time delayed processes. Part 2. Structurally optimised controllers (1999)

O'Dwyer, Aidan; Ringwood, John

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A classification of techniques for the compensation of time delayed processes. Part 1. Parameter optimised controllers (1999)

O'Dwyer, Aidan; Ringwood, John

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Examining the Effects of Time-Space Measures on the Hybrid Strategy Model in Networked Virtual Environments (2006)

Marshall, Damien; McLoone, Seamus; Delaney, Declan; Ward, Tomas E.

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Real-time large-scale dense RGB-D SLAM with volumetric fusion (2015)

Whelan, Thomas; Kaess, Michael; Johannsson, Hordur; Fallon, Maurice; Leonard, John J.; ...

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Economical LBS for public transport: Real-time monitoring and dynamic scheduling service (2008)

Zheng, Jianghua; Winstanley, Adam C.; Yan, Lei; Fotheringham, Stewart

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In vivo characterisation of a Nafion®-modified Pt electrode for real-time nitric oxide monitoring in brain extracellular fluid (2011)

Finnerty, Niall J.; O'Riordan, Saidhbhe; Brown, Finbar O.; Serra, Pier A.; O'...

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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...