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Elemente der Naturwissenschaft57,1992ELEMENTE DER NATURWISSENSCHAFT 57 2/92 Parameter kosmischer und zentrischer Wirbelarten G. Sonder Summary Two groups of vortices in nature and technics will be schown: the centric vortices with the vortexexponent q < 0 respectively the cosmic vortices with 0 < q < 1. The motion of this vortices (primary flow, the azimuthal—... read more
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Elemente der Naturwissenschaft57,1992ELEMENTE DER NATURWISSENSCHAFT 57 2/92 Typische Strömungsformen in einer rotierenden Flüssigkeit Robert Paul Summary The original concept for mixing the juice of misteltoes makes use of a fast rotating disk. Helixor has developed an alternative process for this purpose: Vessels are partially filled with the juice of misteltoes, which... read more
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Elemente der Naturwissenschaft57,1992ELEMENTE DER NATURWISSENSCHAFT 57 2/92 Erscheinungsformen der pflanzlichen Geschlechtlichkeit, insbesondere bei Viscum album L., Helleborus niger L. und Helleborus foetidus L. P. Goedings Summary The different forms of a stamen and carpell mimic the way by which male and female plants in case of dioecy are built up. Moreover, sexual... read more
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Elemente der Naturwissenschaft57,1992ELEMENTE DER NATURWISSENSCHAFT 57 2/92 Liefert die Kupferchlorid-Kristallisations-Methode einen Nachweis für die Gestaltkräfte des Lebendigen? R. E. Hummel Summary This work was undertaken to investigate whether or not the copper chloride crystallization method is indeed a sensitive indicator for formative forces in living material, as... read more
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Elemente der Naturwissenschaft56,1992ELEMENTE DER NATURWISSENSCHAFT 56 1/92 Die Gleichungen der vier Ätherarten in Rudolf Steiners zweitem naturwissenschaftlichen Kurs I. Teil: Wärme und Chemie Friedhelm Dustmann und Ulrich Pinkall Summary It was pointed out by Rudolf Steiner that diffential equations governing the»four ethers«can be obtained by modifiying the differntial... read more
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Elemente der Naturwissenschaft56,1992ELEMENTE DER NATURWISSENSCHAFT 56 1/92 Eine kleine Methodenbetrachtung und ihre Folgen Frauke Roloff Summary In the course of a project aiming at a synopsis of the sweet grasses (poaceae), certain methodological questions urged their analysis. This paper describes the path which led the author in her considerations. A central... read more
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Elemente der Naturwissenschaft56,1992ELEMENTE DER NATURWISSENSCHAFT 56 1/92 Substanzbildung in Hanf, Brennessel und Hopfen in Bezug zu deren Zweihäusigkeit. Jan Albert Rispens Summary The following is an attempt to reach an understanding of the formation of poisonous substances in hemp (Cannabis sativa), hops (Humulus lupulus) and stinging nettle (Urtica dioica). These... read more
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Elemente der Naturwissenschaft56,1992ELEMENTE DER NATURWISSENSCHAFT 56 1/92 Die Zweieinheit von Staub- und Fruchtblatt Peer Schilperoord Summary To eachother, stamen and pistil are polar and complementary plant organs. The stamen can be understood as a metamorphosis of the leafstem basis, the pistel as a metamorphosis of the leafblade (Lamina). That wich can be seen... read more
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Elemente der Naturwissenschaft54,1991ELEMENTE DER NATURWISSENSCHAFT 54 1/91 Organische Säuren Essigsäure - Ameisensäure - Kleesäure Manfred v. Mackensen Summary In his writing on natural science and in his lectures Rudolf Steiner frequently referred to certain substances in unusual terms. Matter is understood as a consequence of processes instead of their cause. Thus,... read more
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Elemente der Naturwissenschaft54,1991ELEMENTE DER NATURWISSENSCHAFT 54 1/91 Die Wiesen als Bild ihrer Umgebung W. Schneider Summary The relation between the different varieties of the false—oat—grass meadow (arrbenantheretum elatiornis) and their respective environments is investigated in a study comprising the following methodical steps: ”‘ The integral impression of... read more