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  • 1
    Publication Date: 1980-02-01
    Description: Biochemical studies have shown that the ability of erythrosine to inhibit dopamine uptake into brain synaptosomal preparations is dependent on the concentration of tissue present in the assay mixture. Thus, the finding that erythrosine inhibits dopamine uptake (which, if true, would provide a plausible explanation of the Feingold hypothesis of childhood hyperactivity) may simply be an artifact that results from nonspecific interactions with brain membranes. In addition, although erythrosine given parenterally (50 milligrams per kilogram) did not alter locomotor activity of control of 6-hydroxydopamine-treated rats, erythrosine (50 to 300 milligrams per kilogram) attenuated the effect of punishment in a "conflict" paradigm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mailman, R B -- Ferris, R M -- Tang, F L -- Vogel, R A -- Kilts, C D -- Lipton, M A -- Smith, D A -- Mueller, R A -- Breese, G R -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):535-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352264" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/*drug effects ; Biological Transport/drug effects ; Brain/*drug effects/metabolism ; Dopamine/*metabolism ; Food Coloring Agents/*pharmacology ; Hydroxydopamines/pharmacology ; Male ; Motor Activity/drug effects ; Nerve Tissue Proteins/metabolism ; Rats ; Synaptosomes/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2011-08-16
    Description: A short-pulse (one nanosecond) S-band radar system was developed to supplement the information obtained with the aid of the SLAR system of the Great Lakes ice information system. It is the objective of the ice information system to aid in extending the winter navigation season. The SLAR imagery cannot be interpreted directly to obtain information concerning the thickness of the ice. This information is to be provided by a remote ice measuring system utilizing nanosecond radar pulses. A description is given of investigations in which such a system was installed on a C-47 aircraft. In other studies reported an S-band short-pulse radar was mounted on an all-terrain vehicle.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Radio Science; 11; Apr. 197
    Format: text
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  • 3
    Publication Date: 2013-08-31
    Description: Measurements of lake ice thickness were made during March 1975 at the Straits of Mackinac by using a short-pulse radar system aboard an all-terrain vehicle. These measurements were compared with ice thicknesses determined with an auger. Over 25 sites were explored which had ice thicknesses in the range 29 to 60 cm. The maximum difference between radar and auger measurements was less than 9.8 percent. The magnitude of the error was less than + or - 3.5 cm. The NASA operating short-pulse radar system used in monitoring lake ice thickness from an aircraft is also described.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E-8573 , NASA-TN-D-8189
    Format: application/pdf
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  • 4
    Publication Date: 2019-07-13
    Description: The all-weather ice information system described uses the X-band side-looking airborne radar to determine the aerial distribution, location, and type of ice cover in the Great Lakes and an airborne S-band short-pulse radar to determine the ice thickness. Results from the 1974-1975 winter season demonstrated the ability of the system to provide all-weather ice information to shippers at the required time.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: International Symposium on Remote Sensing of the Environment; Oct. 6-10, 1975; Ann Arbor, MI
    Format: text
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  • 5
    Publication Date: 2019-07-13
    Description: A system is described which utilizes an X-band Side-Looking-Airborne-Radar (SLAR) for determining type, location, and aerial distribution of the ice cover in the Great Lakes and an airborne, S-band, short pulse radar for obtaining ice thickness. The SLAR system is currently mounted aboard a U.S. Coast Guard C-130B aircraft. Digitized SLAR data are relayed in real-time via the NOAA-GOES-1 satellite in geosynchronous orbit to the U.S. Coast Guard Ice Center in Cleveland, Ohio. SLAR images along with hand-drawn interpretative ice charts for various winter shipping areas in the Great Lakes are broadcast to facsimile recorders aboard Great Lakes vessels. The operational aspects of this ice information system are being demonstrated by NASA, U.S. Coast Guard, and NOAA/National Weather Service. Results from the 1974-75 winter season demonstrated the ability of this system to provide all-weather ice information to shippers in a timely manner.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-71815 , Intern. Symp. on Remote Sensing of the Environment; 6-10 Oct. 1975; Ann Arbor, MI; United States
    Format: application/pdf
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  • 6
    Publication Date: 2019-07-13
    Description: An airborne short-pulse radar system to measure ice thickness was designed. The system supported an effort to develop an all-weather Great Lakes Ice Information System to aid in extending the winter navigation season. Experimental studies into the accuracy and limitations of the system are described. A low power version was operated from an all-terrain vehicle on the Straits of Mackinac during March 1975. The vehicle allowed rapid surveying of large areas and eliminated the ambiguity in location between the radar system and the ground truth ice auger team. It was also possible to the effects of snow cover, surface melt water, pressure ridging, and ice type upon the accuracy of the system. Over 25 sites were explored which had ice thicknesses from 29 to 60 cm. The maximum radar overestimate was 9.8 percent, while the maximum underestimate was 6.6 percent. The average error of the 25 measurements was 0.1 percent.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-71808 , E-8502 , Subsurface Probing Session of the International Union of Radio Science Meeting; 20-23 Oct. 1975; Boulder, CO; United States
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  • 7
    Publication Date: 2019-07-13
    Description: The airborne short-pulse radar system described was developed to measure ice thickness in an attempt to extend the winter navigation system as a means of reducing coal and ore shipping costs. Experimental studies of the accuracy and limitations of the system are discussed, and measurements made at 25 sites are compared. The radar system was found to provide accurate lake ice thickness measurements that were not affected by snow cover or adverse weather conditions. Surface melting and rain, however, preclude measurements.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: International Union of Radio Science Meeting; Oct. 20-23, 1975; Boulder, CO
    Format: text
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