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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 289-292 (Aug. 1998), p. 613-622 
    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
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Physica C: Superconductivity and its applications 235-240 (1994), S. 691-692 
    ISSN: 0921-4534
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Animal Feed Science and Technology 1 (1976), S. 313-326 
    ISSN: 0377-8401
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Animal Feed Science and Technology 1 (1976), S. 465-479 
    ISSN: 0377-8401
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Animal Feed Science and Technology 1 (1976), S. 369-379 
    ISSN: 0377-8401
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 263 (1976), S. 309-310 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The diamonds used were both type I and type II (as characterised by ultraviolet absorption5), and free of detectable inclusions under binocular microscope examination at 90 X. Their body colour ranged from colourless to pale yellow and their weight ranged from 0.070 to 0.200 g. Possible ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 647-647 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Diamond formation by this reaction probably would result in inclusions containing either free sulphur or sulphur compounds, or both. To test this theory experimentally, natural diamond was oxidised by pure oxygen at a high temperature. Any included sulphur would be converted to gaseous SO and SO2 ...
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Contributions to mineralogy and petrology 66 (1978), S. 251-261 
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Based on modal and chemical composition, the rocks of the Prairie Creek diatreme situated 4 km SSE of Murfreesboro, Pike County, Arkansas, are classified as micaceous kimberlite. The K-Ar isotopic analysis of phlogopite from this diatreme yielded an age of 106 ± 3 m.y. (Albian) which is in agreement with stratigraphic relations. Electron beam probe data on minerals from kimberlite breccia, one of the three textural types, are presented. The breccia is considered as the potential source of the diamonds that have been mined at the diatreme. It contains phenocrysts of olivine (Fo90–92) and serpentine pseudomorphs after olivine embedded in a groundmass of serpentine, minor calcite, chrome-diopside, phlogopite (Mg/Mg+Fe = 84.15%), perovskite, spinels, and pentlandite. Xenoliths of shales, sandstones, and mantle-derived ultramafic material are also present. Spinels are rich in Cr, Ti, and Fe and generally low in Al. Zoned spinels show enrichments in Ti and Fe towards their rims. A positive correlation between 100(Fe3++Ti)/(Cr+Al+Fe3++Ti) and 100 Mg/(Mg+Fe2+) ratios exists in these spinels and probably reflects an oxygen fugacity increase during magma crystallization. Occluded gases in diamonds and kimberlites corroborate the hypothesis that the parent magma of the Prairie Creek kimberlite was derived by partial melting of upper-mantle garnet lherzolite under volatile-rich conditions, primarily enriched in H2O and CO2.
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  • 9
    ISSN: 1432-0630
    Keywords: PACS: 81.15.Fg; 81.05.-t; 73.61.Le
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. Pulsed laser ablation is a very interesting method of depositing thin films of several materials and compounds, such as oxides, nitrides, insulators, semiconductors, and superconductors. Indium and tin oxide polycrystalline thin films have been grown on silicon (100) substrates by reactive PLD from two metallic targets of indium and tin by multilayered deposition, in the presence of oxygen, using a frequency-doubled Nd-YAG laser (λ=532 nm). The films produced have been studied to evaluate their use as NO gas sensors, and the best performance has been found by varying some important parameters, such as the substrate temperature and the pressure of oxygen in the deposition chamber. X-ray diffraction analysis of the deposited films shows that they are polycrystalline with a preferential (400) orientation. Electrical resistivity measurements, performed by using a four-point probe technique, show a sharp increase in resistivity when the films are exposed to NO. The electrical responses of tin oxide-indium oxide multilayered thin films are reported.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 4 (1943), S. 172-186 
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Summary In order to give a right interpretation to supposed isolated lesions of the conjunctiva and of the ocular globe caused by dermatophytes and to those that more frequently appear in the course of deep dermatophytosis (kerion), the AA. executed a series of researches on normal rabbit and on rabbit infected with experimental dermatomycose at the sixth and twentyfifth day after infection, that is in different moments of allergic state, the development of which, in the rabbit, as been exactly observed and established by them with preliminary experiences. They examined in this manner the reaction of conjunctiva, cornea, anterior chamber and vitreous after inoculations, with various technic modalities, of suspensions of Trichophyton gypseum asteroides and Microsporon lanosum. The AA. have not recognized a true pathogenic power of these dermatophytes against the conjunctiva and other parts of ocular globe (excluded crystalline) and they doubt that the described isolated manifestations are caused by a direct establishing of fungi. Corroborated by results obtained with inoculation of fungous material into the conjunctiva of rabbits which had a developed sensitivity, the AA. interpret every conjunctivitis that sometimes appears in the course of deep dermatophytosis like a reaction of this tissue that is in allergic state for the preexistent cutaneous localisation of fungus, reaction caused by arrival of hyphomices or their toxins, or through the way of blood circulation or sometimes, as in particular case of conjunctiva, through externe way. An oftalmic reaction in the animal and in the man that have a developed sensitivity, has not been observed by AA. by means of instillation of concentrated trichophytin; it instead appears clearly and constantly in both of them when introduction is made through subconjunctival way.
    Notes: Autoriassunto Allo scopo di dare una giusta interpretazione alle supposte lesioni isolate della congiuntiva e del bulbo oculare da dermatomiceti ed a quelle che più frequentemente si vedono insorgere nel corso di micosi profonda cutanea (kerion), gli AA. hanno condotto una serie di ricerche nel coniglio sano ed in quello portatore di dermatomicosi sperimentale, al 6° ed al 25° giorno dall'innesto cutaneo e cioè in momenti differenti di stato allergico il cui sviluppo, nel coniglio, è stato da essi esattamente osservato e definite con esperienze preliminari. E' stato così esaminato il comportamento della congiuntiva, cornea, camera anteriore e vitreo in seguito all'introduzione, con varie modalità tecniche, di sospensioni di Trichophyton gypseum asteroides e di Microsporon lanosum. Gli AA., non riconosciuto un vero potere patogeno di questi dermatomiceti per la congiuntiva e per le altre parti del bulbo (cristallino escluso), mettono in dubbio che le descritte manifestazioni isolate siano provocate da un diretto impianto dei funghi. Confortati dai risultati ottenuti con l'inoculazione di materiale ifomicetico nella congiuntiva di animali in stato allergico, gli AA. interpretano tutte le congiuntiviti che compaiono talvolta nel corso di dermatomicosi profonde come una reazione di questo tessuto allergizzato dalla preesistente localizzazione cutanea del micete, reazione provocata dall'apporto di elementi ifomicetici figurati o di loro tossine, o per via ematica oppure talvolta, come nel caso particolare della congiuntiva, per via esterna. Una oftalmoreazione nell'animale e nell'uomo in stato allergico non è stata riscontrata dagli AA. mediante l'instillazione di tricofitina concentrata; essa si verifica invece in modo netto e costante sia nel primo che nel secondo quando l'introduzione avviene per via sottocongiuntivale.
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