نتایج جستجو برای: near

تعداد نتایج: 261844  

Journal: :Pediatrics 1998
W D Graf L Quan P Cummings

2011
Geoffrey Ottoy Jeroen Martens Nick Saeys Bart Preneel Lieven De Strycker Jean-Pierre Goemaere Tom Hamelinckx

In this paper we present the advantages and possibilities of a modular test platform for the evaluation of security protocols in NFC applications. Furthermore, we also depict some practical implementation results of this modular system. The scope of the platform is to provide a highly modular system. Adding or removing certain functionality can be done without the need of rebuilding the entire ...

2013
Tatjana Apanasevic

submitted to Cashless Society Roundtable, April 2013, Dublin Barriers to Further Commercialization of NFC Pilots in Western Europe Tatjana Apanasevic PhD Student Wireless@KTH, Royal Institute of Technology, Electrum 229, SE-16440, Kista, Sweden; [email protected]

Journal: :The journal of physical chemistry letters 2014
Matthew D Sonntag Eric A Pozzi Nan Jiang Mark C Hersam Richard P Van Duyne

Tip-enhanced Raman spectroscopy (TERS) has experienced tremendous growth in the last 5 years. Specifically, TER imaging has provided invaluable insight into the spatial distribution and properties of chemical species on a surface with spatial resolution that is otherwise unattainable by any other analytical method. Additionally, there has been further development in coupling ultrafast spectrosc...

2015
B. Todt J. Niederberger A. Bo R. Nitschke M. Kohler P. Kühn J. Bauhus

Introduction Conclusions References

Journal: :Analytical chemistry 2002
Peter C Chen Candace C Joyner Sheena T Patrick Kanika F Benton

A new Raman spectrometer has been developed that can produce a complete high-resolution gas-phase vibrational spectrum during the time period of a single laser pulse. Conventional gas-phase Raman spectroscopy uses a single narrow-band laser to produce signals that are weak, requiring relatively long collection times. This spectrometer uses a degenerate OPO as a broad-band source that covers a c...

Journal: :Brain and cognition 2013
Neil De Joux Paul N Russell William S Helton

Despite a long history of vigilance research, the role of global and local feature discrimination in vigilance tasks has been relatively neglected. In this experiment participants performed a sustained attention task requiring either global or local shape stimuli discrimination. Reaction time to local feature discriminations was characterized by a quadratic trend over time-on-task with performa...

Journal: :Circulation. Cardiovascular imaging 2016
Farouc A Jaffer

Journal: :Optics letters 2016
Thomas Ding Christian Ott Andreas Kaldun Alexander Blättermann Kristina Meyer Veit Stooss Marc Rebholz Paul Birk Maximilian Hartmann Andrew Brown Hugo Van Der Hart Thomas Pfeifer

Noncollinear four-wave-mixing (FWM) techniques at near-infrared (NIR), visible, and ultraviolet frequencies have been widely used to map vibrational and electronic couplings, typically in complex molecules. However, correlations between spatially localized inner-valence transitions among different sites of a molecule in the extreme ultraviolet (XUV) spectral range have not been observed yet. As...

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