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  • Articles  (573)
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  • 1
    Electronic Resource
    Electronic Resource
    Effects of pH value on the formation of volatiles of Shiitake (Lentinus edodes), an edible mushroom (1984)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 32 (1984), S. 999-1001 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00125a011
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  • 2
    Electronic Resource
    Electronic Resource
    Integument and sensory nerve differentiation ofDrosophila leg and wing imaginal discs in vitro (1978)
    Springer
    Development genes and evolution 185 (1978), S. 59-77 
    Details
    ISSN: 1432-041X
    Keywords: Nerve differentiation ; Pioneer fibres ; Imaginal discs ; β-ecdysone-Drosophila
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An ultrastructural analysis is presented of the cuticular and neural structures formed by the prothoracic leg and wing imaginal discs of maleDrosophila melanogaster larvae during culture in vitro with 0.2 μg/ml of β-ecdysone. A pupal cuticle, and subsequently an imaginal cuticle with a well-defined epicuticle and a laminated endocuticle is formed. The ultrastructure of the epidermis and of cuticular structures such as bristles, trichomes, apodemes, and tracheoles is very similar to that found in situ. Dendrites and nerve cell bodies are formed in vitro, and sensory axons form nerve bundles similar to those of normal appendages in situ, despite their isolation from the central nervous system. It is concluded that at the ultrastructural level, differentiation in vitro closely parallels the normal course of development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848215
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  • 3
    Electronic Resource
    Electronic Resource
    Embryonic development of an insect sensory system, the abdominal cerci ofAcheta domesticus (1979)
    Springer
    Development genes and evolution 186 (1979), S. 151-178 
    Details
    ISSN: 1432-041X
    Keywords: Abdominal cerci ; Pioneer fibres ; Acheta domesticus ; Sensory neurogenesis ; Sensillar neurons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary 1. The embryonic development of the abdominal cerci of the house cricketAcheta domesticus is described from scanning and transmission electron microscope data. 2. A staged description of externally visible events in embryogenesis is tabulated as a context for describing the chronology of embryonic development of the abdominal cerci. 3. Three phases of cercal development are distinguished: differentiation of the cercal anlagen and secretion of the first embryonic cuticle; elongation of the cercus culminating in the secretion of the second embryonic cuticle after completion of a continuous epidermis at the time of dorsal closure; and differentiation of functional sensilla on the third embryonic (first instar) cuticle. 4. The first axon profiles appear in the cercus immediately before elongation of the cercus. These axons have dendrites with ciliary configuration in the lumen of the cercus. Glial cells associated with the pioneer axons may precede the axons in occupying dorsal and ventral luminal midlines of the cerci. 5. Trichoid sensilla appear in the integumet following apolysis of the second embryonic cuticle. 6. Axons are added to the dorsal and ventral pioneer fibre bundles shortly before sensilla become apparent. 7. The majority of sensory axons traverse the cercus during the final 15% of embryonic development. 8. The sensilla of the first instar cercus do not achieve their final orientation until the cercal cuticle is expanded following eclosion from the second embryonic cuticle that encloses the hatchling until it reaches a free surface. 9. The role of the pioneer fibres in establishing a pathway for the functional sensillar neurons is discussed in relation to other studies of sensillar development in insects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848176
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  • 4
    Electronic Resource
    Electronic Resource
    On subgroups of the noncompact real exceptional Lie groupF*4 (1973)
    Springer
    Mathematische Annalen 204 (1973), S. 271-284 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01354578
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  • 5
    Electronic Resource
    Electronic Resource
    Spectra of discrete uniform subgroups of semisimple Lie groups (1978)
    Springer
    Mathematische Annalen 237 (1978), S. 157-159 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01351678
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  • 6
    Electronic Resource
    Electronic Resource
    Entropy of geodesic flow and exponent of convergence of some Dirichlet series (1981)
    Springer
    Mathematische Annalen 255 (1981), S. 97-103 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01450558
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  • 7
    Electronic Resource
    Electronic Resource
    The Advanced Video Information System: data structures and query processing (1996)
    Springer
    Multimedia systems 4 (1996), S. 172-186 
    Details
    ISSN: 1432-1882
    Keywords: Key Words:Query processing, video data – Video databases, indexing – Data structures, spatial, modification of – Video data, updating – Advanced Video Information System (AVIS) – Content based search
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract. We describe how video data can be organized and structured so as to facilitate efficient querying. We develop a formal model for video data and show how spatial data structures, suitably modified, provide an elegant way of storing such data. We develop algorithms to process various kinds of video queries and show that, in most cases, the complexity of these algorithms is linear. A prototype system, called the Advanced Video Information System (AVIS), based on these concepts, has been designed at the University of Maryland.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005300050021
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  • 8
    Electronic Resource
    Electronic Resource
    The Biomedical Material of Functional ePTFE Hydrogels by the Cold Plasma Method and Radiation Technique (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 47-50 (June 2008), p. 1427-1429 
    Details
    ISSN: 1662-8985
    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: Expanded polytetrafluoroethylene (ePTFE) is a bioinert material. It has the superiorproperties of thermal and chemical stabilities, low surface energy and high resistivity, so it wasapplied in many biomedical fields. In order to improve the ePTFE film biocompatibility, the coldplasma technology was used with acetic acid as monomer to deposit onto ePTFE film and then(N-isopropylacrylamide) was grafted onto the surface by photo-grafting. The characteristics of thematerial surface were evaluated with X-ray photoelectron spectroscopy (XPS), FTIR and watercontact angle. It was found that the contact angle of water on the untreated ePTFE significantlydecrease from125° to 72° after ePTFE film being treated with acetic acid plasma depositionprocedure. Due to the hydrophilicity of poly(N-isopropylacrylamide), so the contact angle of wateron the ePTFE-g-NIPAAm almost approached to 0°. And we obtained the thermal-sensitive ePTFEhydrogels
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.47-50.1427.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    The Study of Immobilization Thermal-Sensitive Hydrogel onto ePTFE Film Use the Cold Plasma and Photo-Grafting Technique (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 15-17 (Feb. 2006), p. 187-192 
    Details
    ISSN: 1662-8985
    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: Expanded polytetrafluoroethylene (ePTFE) is a bioinert material. To improve the ePTFE filmbiocompatibility, the cold plasma technology was used with acetic acid as monomer to deposit ontoePTFE film and then (N-isopropylacrylamide) was grafted onto the surface by photo-grafting. Thecharacteristics of the surface were evaluated with X-ray photoelectron spectroscopy (XPS), FTIRand water contact angle. It was found that the contact angle of water on the untreated ePTFEsignificantly decrease from125° to 72° after ePTFE film being treated with acetic acid plasmadeposition treatment. Due to the hydrophilicity of poly(N-isopropylacrylamide), the contact angleof water on the ePTFE-g-NIPAAm approached to 0°
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.15-17.187.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Comparison with Physics and Chemical Property of SBS/AA Copolymer Using Thermal Polymerization and UV Graft-Polymerization Methods (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 1288-1293 
    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: This study was compare of physics and chemical property of Styrene-butadiene-styrene (SBS)/Acrylic acid (AA) copolymer after thermal polymerization and UV graft-polymerization. The resultof this study shows: when the thermal polymerization was used, the grafting percentage of SBS-g-AArose along with the increase of the AA monomer concentration. The maximum occurred whenSBS=0.5g and AA=2.5 x 0.0065mol, then it decreased along with the increase of the AAconcentration. The transition ratio and grafting percentage decreased as the concentration of SBSincreased; while AA was fixed on 0.0065mol, the maximum grafting percentage occurred by using 1gSBS. The grafting percentage increase along with the increase of reacting time, and it reached themaximum after reacting 3 hours. The water contact angle was lowered from 82o to 58o. Using the UVgraft-polymerization, when AA monomer concentration increased, the grafting percentage increasedas well; the maximum occurred when AA concentration was 2.88M. Moreover, the graftingpercentage was increasing along with the increase of reacting time, but it stopped increasing around40 minutes reacting time. The grafting percentage of thermal polymerization was higher than UVgraft-polymerization. It shows that the swelling ratio of membranes grafted using the UV light washigher than those grafted by thermal polymerization
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.1288.pdf
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