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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Inorganic and Nuclear Chemistry 43 (1981), S. 1337-1341 
    ISSN: 0022-1902
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical Systematics and Ecology 14 (1986), S. 381-384 
    ISSN: 0305-1978
    Keywords: Fagaceae ; Quercus pyrenaica ; epiphytic lichens ; lichen phenols ; photosynthesis ; xylem sap
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical Systematics and Ecology 16 (1988), S. 253-259 
    ISSN: 0305-1978
    Keywords: Evernia prunastri ; Quercus pyrenaica ; bud differentiation ; lichen phenols ; respiration
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Entomologia experimentalis et applicata 23 (1978), S. 115-120 
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Zikaden, deren wichtigste Art Empoasca kraemeri ist, sind die bedeutendsten Bohnenschädlinge in Lateinamerika. Es wurden zwei Experimente durchgeführt um festzustellen, in welchem Wachstums-stadium der grösste Schaden auftritt. Dazu wurde der Wachstumszyklus in vier Abschnitte unterteilt, beginnend 8 Tage nach der Saat. Die Pflanzen wurden in den verschiedenen Wachstumsstadien mit Monocrotophos (0.05%) behandelt oder zum Vergleich unbehandelt gelassen. Die Insektenpopulationen der Adulten und der Larven wurden wöchentlich (1. Experiment) und zweimal wöchentlich (2. Experiment) gemessen. Die Bohnen, die in der Zeit zwischen 8 und 26 Tagen nach der Pflanzung und nach 62 Tagen ohne Insektizidschutz gelassen wurden, erbrachten den gleichen Ertrag wie die Bohnen, die über alle vier Wachstumsstadient geschützt wurden. Im ersten Experiment, in dem der Befall durch Zikaden erst spät einsetzte, war die Zeitspanne zwischen 45 und 62 Tagen besonders kritisch. Im zweiten Experiment, in dem der Insektenbefall schon vom Saatzeitpunkt an stark war, waren die Pflanzen in der Zeitspanne von 27–44 Tagen besonders gefährdet, gefolgt von der Periode von 45–62 Tagen. Im zweiten Experiment waren alle Ertragskomponenten vom Insektenbefall beeinflusst. Der Ertragwar streng mit dem 100-Samengewicht korreliert. Wenn man zwei Ertragskomponenten berücksichtigt, war der Ertrag sehr streng korreliert mit der Anzahl voller und Prozent leerer Hülsen pro Pflanze.
    Notes: Abstract Bean plants (Phaseolus vulgaris L.) variety Diacol-Calima, were protected with insecticides from Empoasca kraemeri R. & M. attack during various growth stages. When the leafhopper attack occurred late in the growing season, the most critical period for control was from 45–62 days after planting. When leafhopper attack was severe during the entire growing season, the period from 27–44 days was most critical, followed in importance by the 45–62-day period. Insecticidal control before 27 days and after 62 days after planting did not influence final seed yield. Leafhopper attack affected four components of yield, i.e., (1) by reducing the number of pods per plant, (2) number of seeds per pod, (3) 100-seed weight, and (4) number of empty pods per plant.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Plant cell reports 6 (1987), S. 74-76 
    ISSN: 1432-203X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photobiont cells of Evernia prunastri were isolated by filtration through a bed of Sepharose 2B. Algal preparations did not contain fungal contamination, as revealed by the absence of mannitol. Isolated photobionts contain the four Evernia phenolics, although repeated superficial washes with polyvinylpyrrolidone remove from these cells 81% atranorin, 51% chloroatranorin, 94% evernic acid and 82% usnic acid.
    Type of Medium: Electronic Resource
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  • 6
    Publication Date: 2014-08-09
    Description: Twinning is an alternative mechanism to achieve ultra-fine grain structures through severe plastic deformation. The properties induced in a plastically deformed material are highly dependent on the degree of deformation, accumulated deformation energy and details on grain sizes and microstructure, which are on the scale of some tens of nanometers; therefore it is very important to understand misorientation distributions and dislocation arrays developed in the samples. In this work an F138 austenitic stainless steel was solution heat treated, deformed by Equal Channel Angular Extrusion (ECAE) at room temperature up to four passes, and rolled up to 70% thickness reduction at room temperature. The microstructure evolution was analyzed by x-ray diffraction and domain sizes calculated by Convolutional Multiple Whole Profile (CMWP) model, the misorientation boundaries were measured by electron backscattered diffraction (EBSD), and transmission electron microscopy. Mechanical behavior ...
    Print ISSN: 1757-8981
    Electronic ISSN: 1757-899X
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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