نتایج جستجو برای: pristine environment

تعداد نتایج: 523838  

2016
James Dyer Steve Brown Roy Esplin Glen Hansen Scott Jensen John Stauder Lorin Zollinger

The SABER instrument (Sounding of the Atmosphere using Broadband Emission Spectroscopy) is a cryogenic infrared sensor on the TIMED spacecraft with stringent molecular and particulate contamination control requirements. The sensor measures infrared emissions from atmospheric constituents in the earth limb at altitudes ranging from 60 to 180 km using radiatively-cooled 240 K optics and a mechani...

2016
Walker O. Smith Michael S. Dinniman Eileen E. Hofmann John M. Klinck

The Ross Sea is critically important in regulating Antarctic sea ice and is biologically productive, which makes changes in the region’s physical environment of global concern. We examined the effects of projected changes in atmospheric temperatures and winds on aspects of the ocean circulation likely important to primary production using a high-resolution sea ice-ocean-ice shelf model of the R...

Journal: :Marine pollution bulletin 2007
Fabio Pranovi Filippo Da Ponte Patrizia Torricelli

In the context of the application of WFD, a scientific debate is growing about the applicability of biotic indices in coastal and transitional waters. In the present work, the question about the discriminating power of different biotic indices and the relationships with the structure and functioning of the macrobenthic community in a transitional environment is discussed. A time series of sampl...

2018
Bryce Gadway

U ltracold atomic gases offer unique opportunities to study quantum matter in a pristine, wellcontrolled environment. One general method for controlling the atoms and their interactions is to trap them in a so-called optical lattice—a periodic optical potential created by interfering laser beams. Lasers can “sculpt” such potentials with a spatial resolution determined by the laser light’s wavel...

2017
Fadhel Alsaffar Sarah Alodan Abdul Alrasheed Abdulrahman Alhussain Noura Alrubaiq Ahmad Abbas Moh. R. Amer

Layered black phosphorus has drawn much attention due to the existence of a band gap compared to the widely known graphene. However, environmental stability of black phosphorus is still a major issue, which hinders the realization of practical device applications. Here, we spatially Raman map exfoliated black phosphorus using confocal fast-scanning technique at different time intervals. We obse...

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