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  • 2005-2009  (7)
  • 1965-1969  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Microstructural Evolution of a New Aerospace 7XXX Alloy during Retrogression and Re-Ageing Treatment (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 519-521 (July 2006), p. 345-350 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: RRA treatment was applied to a high-Zn, 7XXX alloy under development for aerospaceapplications. Microstructure of the alloy is studied at different stages of the 3-step ageing process,by Transmission Electron Microscopy, in order to understand the corresponding evolution ofmechanical and corrosion properties. The Compression Yield Strength at the end of the hightemperature step was found higher than at the end of the 1st step, contrary to the conventional RRAtreatment. After re-ageing, the final CYS turned out significantly higher than at the T6 temper of thealloy, while the material remained sensitive to exfoliation corrosion
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/13/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.519-521.345.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Fabrication of Iron Oxide Nanostructures by Electron Beam-Induced Deposition (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 561-565 (Oct. 2007), p. 1101-1104 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Electron beam induced-deposition (EBID) is a promising technique for fabricatingnanometer-sized structures in a position- and size-controlled manner. The resolution of EBID is nowreaching down to subnanometers. However, the deposits obtained by EBID contain a large amount ofcarbon. Thus, carbon reduction techniques are needed. In this study, nanostructures, such asnanowires, were fabricated by EBID using an iron pentacarbonyl precursor. Several techniques toreduce carbon were applied, including post-deposition heat-treatments and the modification ofprecursor. It was found that the post-deposition heat-treatment in air resulted in a formation of Fe2O3,and that carbon-free Fe3O4 was formed by mixing a small amount of water vapor in the ironpentacarbonyl precursor
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/17/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.561-565.1101.pdf
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of temperature and delayed initial feeding on the survival and growth of Japanese flounder larvae (2005)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    Journal of fish biology 66 (2005), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effects of the timing of initial feeding (0, 1, 2, 3 and 4 days after yolk exhaustion) and temperature (15, 18 and 21° C) on the point-of-no-return (PNR), survival and growth of laboratory-reared Japanese flounder Paralichthys olivaceus larvae were studied under controlled conditions. The larvae reached PNR on 7·7, 5·2 and 4·2 days-post-hatching (dph) at 15, 18 and 21° C, respectively. At each temperature, larval growth did not differ significantly among the delayed initial feedings 1 day before PNR but decreased significantly in larvae first fed after that. In the treatments where initial feeding was equally delayed, larvae grew significantly faster at 18 and 21° C than at 15° C. The larvae survived apparently better at 15 and 18° C than at 21° C when initial feeding was equally delayed. At each temperature, survival of the larvae first fed before PNR did not differ noticeably, while delayed initial feeding after that apparently reduced their survival. These results indicated that there existed a negatively temperature-dependent PNR in the Japanese flounder larvae. Survival and growth of the larvae strongly depended on temperature as well as the timing of initial feeding. High temperature accelerated the yolk exhaustion and growth of the larvae and thus reduced their starvation tolerance and survival. To avoid potential starvation mortality and obtain good growth, the Japanese flounder larvae must establish successful initial feeding within 2 days after yolk exhaustion at 15° C and within 1 day at both 18 and 21° C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0022-1112.2005.00601.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A case of multiple aneurysmal fibrous histiocytomas (2005)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 153 (2005), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.2005.06773.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Ultrastructural study of skin and eye of UV-B irradiated ayu Plecoglossus altivelis (2005)
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    Journal of fish biology 67 (2005), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A scanning electron microscopic study of the skin and eye of UV-B radiated ayu Plecoglossus altivelis(age 30 days, mean ± s.e. total length: 16·25 ± 0·11 mm) under laboratory condition showed marked changes when compared with the control fish without UV-B radiation. The exposure of the fish to the radiation resulted in the destruction of microridges in the epidermis and exposed neuromast cells of the skin. Domed protrusions were also more common in the skin of UV-B radiated fish than in the control fish. The appearance of mucus in both groups was different. In the control skin the mucus was spread over a wide area whereas in the treated fish the mucus was concentrated in a small area. The anastomozing structures of the microridges of the eyes were lost in UV-B radiated fish and the microridges themselves were fewer in number, fragmented, and aggregated. Mucus cells, prominently visible in the control fish, were distorted in the treated fish. Cell contours were irregular in UV-B radiated fish and cell to cell contacts had been lost in this group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2005.00871.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Daily ration and prey size of juvenile piscivore Japanese Spanish mackerel (2005)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    Journal of fish biology 67 (2005), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Daily ration of juvenile Japanese Spanish mackerel Scomberomorus niphonius(32·1–33·1 mm standard length, LS) was estimated at three temperatures (18·6, 19·5 and 21·2° C) in the laboratory. Gastric evacuation rate ranged between 0·398 (18·6° C) and 0·431 (21·2° C). Diel change in instantaneous consumption rate indicated that juvenile Japanese Spanish mackerel are daylight feeders. The estimated values of the daily ration ranged between 66·1%(18·6° C) and 82·6%(21·2° C) of body mass. These per cent values of daily ration were converted to daily consumption in mg (28 mg at 18·6° C to 34 mg at 21·2° C) using the mean dry body mass of juvenile Japanese Spanish mackerel of 30 mm (42·1 mg). Stomach content analysis of wild specimens collected in the Seto Inland Sea, south-western Japan, revealed that the majority of wild Japanese Spanish mackerel larvae and juveniles ingested fish larvae with a body size 〉50% of the predator LS. Based on the predator-prey size relationship, the daily consumption of a Japanese Spanish mackerel juvenile of 30 mm was equivalent to 5·1 (18·6° C) to 6·4 (21·2° C) Japanese anchovy Engraulis japonicus larvae which was the dominant prey organism in stomachs of the wild Japanese Spanish mackerel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0022-1112.2005.00813.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Antitumour activities of lichen polysaccharides (1968)
    Springer
    Journal of cancer research and clinical oncology 71 (1968), S. 102-104 
    Details
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Some polysaccharides isolated from lichens significantly inhibited the growth of implanted sarcoma-180 in mice and caused complete tumour regression in many cases.
    Notes: Zusammenfassung Einige Polysaccharide, die aus Flechten isoliert wurden, hemmen das Wachstum des Sarkoms-180 in Mäusen und verursachen in vielen Fällen vollständige Regression der Tumoren.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00524509
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Electron Beam-Induced Nano-Deposition Using a Transmission Electron Microscope (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 480-481 (Mar. 2005), p. 129-132 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Nanometre-sized structures were fabricated by electron beam-induced deposition in a scanning transmission electron microscope. A small amount of metal-organic gases, W(CO)6 and dimethyl acetylacetonato gold, were introduced near a substrate in the chamber of the microscope. The gas was decomposed by the irradiation of focused electron beams and nanometre-sized deposits containing W or Au were produced. Moving the beam position enables us to produce structures with a variety of shapes. High-resolution electron microscopy observation revealed that the structures consisted of nano-crystalline and amorphous parts
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/10/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.480-481.129.pdf
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