Results 31 to 40 of about 529,471 (161)

Yes & No [PDF]

open access: yes, 2001
In the following poem, the first and last stanzas use only those letters found next to even digits (2, 4, 6, 8) on the telephone dial, while the middle two stanzas use only odd ones (3, 5, 7, 9).
Keith, Michael
core   +1 more source

Haldane Sashes in Quantum Hall Spectra

open access: yes, 2010
We show that the low-temperature sash features in the lowest Landau-level (LLL) tunneling density-of-states (TDOS) recently discovered by Dial and Ashoori are intimately related to the discrete Haldane-pseudopotential interaction energy scales that ...
A. H. MacDonald, G. D. Mahan
core   +1 more source

DIAL with heterodyne detection including speckle noise: Aircraft/shuttle measurements of O3, H2O, and NH3 with pulsed tunable CO2lasers [PDF]

open access: yes
A parametric analysis of DIAL sensitivity with heterodyne detection is presented and comparisons with direct detection are discussed. Examples are given for monitoring vertical distributions of O3, H2O, and NH3 using a ground-, aircraft-, or shuttle ...
Bair, C. H.   +3 more
core   +4 more sources

Investigation of potential of differential absorption Lidar techniques for remote sensing of atmospheric pollutants [PDF]

open access: yes
The NASA multipurpose differential absorption lidar (DIAL) system uses two high conversion efficiency dye lasers which are optically pumped by two frequency-doubled Nd:YAG lasers mounted rigidly on a supporting structure that also contains the ...
Allen, R. J.   +2 more
core   +1 more source

Merry Christmas from a Land of Hope and Sorrow [PDF]

open access: yes, 2011
I was driving home from work a few weeks ago, flipping through the radio stations and I came upon one of those dedicated progressive/modern/pop holiday formats you hear so often this time of year. I tarried, only planning to spend a moment there.
Rudy, John M.
core   +1 more source

Governing the "New Economy": a 3-Phase Historical Model of Cumulative Gales of Creative Destruction of the United Kingdom Internet Service Providers' Market [PDF]

open access: yes
This article documents the industrial dynamics and the innovation processes inherent in the fast emerging dial-up Internet access segment of the new telecommunication sector in the United Kingdom for the period between 1992 - 2002. It shows that evolving
Michèle Javary
core  

Gating characteristics of photomultiplier tubes for Lidar applications [PDF]

open access: yes
A detector test facility was developed and applied in the evaluation and characterization of lidar detectors in support of the multipurpose airborne differential absorption lidar (DIAL) system based at the Langley Research Center (LaRC).
Barrick, J. D. W.
core   +1 more source

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