Results 291 to 300 of about 2,365,470 (347)

Optical control of carrier-mediated ion transport by photoswitchable lipids.

open access: yesNanoscale
Pfeffermann J   +4 more
europepmc   +1 more source
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Water Carriers Versus Nectar Carriers

Journal of Economic Entomology, 1926
Water-carriers may be distinguished from nectar-carriers by gently pressing on the abdomen of the loaded bee while it is held fast on a sheet of filter paper. If the disgorged honey-sac contents is nectar, a translucent spot will be produced on the filter paper; whereas, if it is only water, no such spot will remain upon drying.
openaire   +1 more source

Femtosecond Carrier-Carrier Interaction in GaAs

Eighth International Conference on Ultrafast Phenomena, 1992
Despite recent femtosecond measurements using pump-probe [1], photon echo [2], and photoluminescence [3], and theoretical studies [3,4] of screening, carrier-carrier scattering, such as electron-hole and electron-plasmon interactions, is still not well understood. We have made a series of femtosecond spectroscopic measurements on intrinsic, n-type, and
T. Gong   +6 more
openaire   +1 more source

Carrier in cable

Electrical Engineering, 1933
In order to meet future demands for high grade and economical circuits in cables, considerable carrier development work has been done which has included an extensive experimental installation on a 25-mile loop of underground cable. Sufficient pairs were provided in the cable and repeaters were installed to set up nine carrier telephone circuits 850 ...
A. B. Clark, B. W. Kendall
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Influence of the carrier distribution on carrier-carrier scattering in GaAs

Physical Review B, 1995
Hot electrons in GaAs in the presence of a highly nonequilibrium plasma generated by a 150-fs laser pulse are shown to have an energy-loss rate to the plasma that is two to four times higher than a hot electron in the presence of a cooler, thermalized plasma of the same density.
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Carriers underway [Aircraft carriers design]

Engineering & Technology, 2009
In this paper, the UK's new aircraft carriers are taking shape in an artificial world that looks out over the sea high above Portsmouth, England. The work being done at the QE Class MS Integration facility at Portsdown Technology Park will make sure that the new Queen Elizabeth (QE) Class Aircraft Carriers, currently under construction in shipyards ...
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Contracting carrier - actual carrier

2023
Bartholomew J. Banino   +4 more
openaire   +1 more source

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