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  • Wiley  (185)
  • Springer  (180)
  • Wiley-Blackwell  (56)
  • American Geophysical Union (AGU)
  • Nature Publishing Group (NPG)
  • 1965-1969  (311)
  • 1950-1954  (70)
  • 1945-1949  (40)
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  • 1
    Publication Date: 1948-09-01
    Print ISSN: 0003-021X
    Electronic ISSN: 1558-9331
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Published by Wiley
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  • 2
    Publication Date: 1947-09-01
    Print ISSN: 0003-021X
    Electronic ISSN: 1558-9331
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Published by Wiley
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Rheologica acta 8 (1969), S. 246-246 
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract During the past two decades, the information explosion has led to a demand for systems of storing and retrieving information in every branch of science and technology. A number of the larger abstracting services are already experimenting with systems covering so great an area that the use of a computer is essential. Since, however, the, field of rheology is relatively small a simple classification and retrieval system is being developed, for use inRheology Abstracts, based upon ordinary 132-hole edge-punched cards. The first half of the system deals with the rheology of fluids and is already in use; it is described in detail in a recent paper (1). The second half, dealing with the rheology of solids, is still being developed. In the fluids system, holes are punched to indicate the following essential features of a paper: general nature; language; type of fluid; rheological properties; type of flow; boundary conditions; important variables and effects; theoretical treatment; type of apparatus; industrial processes involved. As a result two simple hand operations will serve to retrieve, for example, all the papers concerned with turbulent flow of suspensions, or with fracture in polymer melts. Additional operations lead to a narrower, more precise, retrieval. At present the classifying is being done by abstractors. It is hoped that authors will become familiar with the system and will make a practice of classifying their own papers; this would lead to more accurate classification and to the benefit of all concerned.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 206 (1967), S. 404-405 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the reaction15N(d, n 0)16O the angular dependence of the neutron polarization and of the differential cross section was measured at average deuteron energies of 4.35 and 5.50 MeV. Parallel features are observed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 24 (1968), S. 1175-1176 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Deux types de liaisons ont lieu quand des ions d'aluminium réagissent avec les parois cellulaires isolées deStraphylococcus aureus espèce 893. La première interaction a comme résultat la formation d'un complexe stable qui affecte des groupes occupant le mur de la cellule avec un pK a ∼ 5. On suppose l'existence d'un composant de surface constitué par de la protéine combinée à de l'acide teichoique. La deuxième liaison consiste en ions interchangeables dans la couche mobile de cations recouvrant la paroi.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 18 (1950), S. 120-127 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The oscillation of the sight point picture in telescope and simultaneously the difference of the air temperatures between the hights of 0.5 and 2.5 meters have been observed every two hours through two clear days and nights. Hereby the following results have been obtained. Short after the sunrise the sight point picture is quite immovable. Soon after it beginns to vibrate, at first slightly and slowly (one time in second) and then more violently and quickly (five times in second). The vibration attains its maximum short after the noon, then it decreases and becomes zero not long before the sunset. From now till the sunrise the sight point picture is swaying very slowly (in periods of several minutes). The vibration is proportional to the 1.68-power of the sight length. It correlates the vertical temperature gradient, and the vibration is e. g. for the sight of 75 m:F 75=0.66–1.42 ϱ mm, where ϱ means the temperature increase from 0.5 to 2.5 m (here negative). The swaying is proportional to the 2.05-power of the sight length. It correlates the gradient, and the swaying is e. g. for the sight of 125 m:S 125=1.3+4.02 ϱ mm, where ϱ has the same meaning as above. Between the sight errorZ and the vibrationF a relation:Z=0.11+0.029F mm is to be seen. Thus the accuracy of the sighting is not very sensitive to the vibration.
    Notes: Zusammenfassung In zwei Beobachtungsserien von 24 Stunden ist jede zweite Stunde die Schwankung des Zielbildes beobachtet und gleichzeitig die Temperaturdifferenz zwischen den Höhen 0.5 und 2.5 m gemessen worden. Aus diesen Beobachtungen gehen folgende Resultate hervor. Kurz nach Sonnenaufgang ist das Zielbild unbeweglich. Bald beginnt es zu flimmern, zuerst schwach und langsam (einmal in der Sek.) später stärker und schneller (5 mal in der Sek.). Das Flimmern erreicht sein Maximum etwas nach Mittag, vermindert sich dann und wird Null kurz vor Sonnenuntergang. Von hier an beginnt das Zielbild sehr langsam (in Perioden von Minuten) zu schweben. Der Betrag des Flimmerns ist proportional der 1.68-Potenz der Zielweite. Sie hängt von dem Temperaturgradienten ab, und z. B. bei der Zielweite 75 m beträgtF 75=0.66–1.42 ϱ mm, wo ϱ die Temperaturdifferenz zwischen den Höhen 0.5 und 2.5 m bezeichnet. Der Betrag des Schwebens ist proportional der 2.05-Potenz der Zielweite. Sie hängt von dem Temperaturgradienten ab, und z. B. bei der Zielweite 125 m beträgtS 125=1.3+4.02 ϱ mm, wo ϱ die obenangegebene Bedeutung hat. Zwischen dem ZielungsfehlerZ und dem FlimmernF besteht die BeziehungZ=0.11++0.029F mm. Das Schweben wirkt sehr stark auf die Zielungsgenauigkeit ein, obgleich beim Vorkommen des Schwebens das Zielbild nach dem Augenmass unbeweglich erscheint.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    International journal of biometeorology 11 (1967), S. 119-127 
    ISSN: 1432-1254
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Bronchialasthma bei Studenten der Universität Minnesota wurde bezüglich der Empfindlichkeit gegen Getreidesamen mit Kontrollgruppen untersucht, um den Einfluss der in der Luft befindlichen Pollen durch nahe gelegene Getreidefelder zu finden. Unter verhältnismässig hohen Konzentrationen wurde beobachtet,dass gegen Getreidesamen empfindliche Studenten doppelt so viele Asthmaanfälle hatten, wie die Kontrollgruppe, die keine signifikante Änderung zeigte. Eine Verbindung von Windrichtung und relativ hohen Staubkonzentrationen mit Asthmaanfällen ergab eine Korrelation von höherer Signifikanz in der sensiblen Gruppe. Weitere Zuordnungen zeigten, dass diese Beziehung nur wenig durch Änderungen von Jahreszeit und Temperatur beeinflusst wird. Es wurde auch beobachtet, dass die Relative Feuchte die Empfindlichkeit gegen Pollen bei entsprechend sensibilisierten Studenten beeinflussen kann. In der Kontrollgruppe zeigten Wetterparameter keine Beziehung zum Asthma.
    Abstract: Resume On a étudié les accès d'asthme bronchial provoqués par les polluants de l'atmosphère provenant d'entreprises travaillant les céréales et situées dans le voisinage du l'Université du Minnesota. Pour ce faire,on s'est servi d'étudiants de la dite Université sensibles aux poussières de céréales d'une part et d'un groupe de contrôle d'autre part. Dans des conditions de poussière relativement forte,on a observé que les étudiants sensibles aux poussières de céréales présentaient une fréquence double d'accès d'asthme alors que le groupe de contrôle n'était pas touché de façon significative. En utilisant une conbinaison des facteurs direction du vent et forte poussière d'une part, accès d'asthme d'autre part,on obtient une corrélation plus significative dans le groupe des gens sensibles.Des combinaisons multiples indiquent que cette corrélation n'est que peu influencée par la saison ou des changements de température. On a aussi remarqué que les conditions d'humidité relative peuvent influencer de façon significative la sensibilité effective aux poussières des étudiants du premier groupe. Quant au groupe de contrôle, on n'a pas trouvé de relation entre les accès d'asthme et les paramètres météorologiques.
    Notes: Abstract Student bronchial asthma at the University of Minnesota was studied in grain sensitive and in control groups to find the influence of air pollutants from nearby grain installations on this problem.Under relatively high dust conditions it was observed that grain sensitive students had a two-fold increase in asthma attacks while the controls showed no significant changes. A combined association of wind direction and relatively high dust conditions with asthma gave a correlation of higher significance in the grain sensitive group. Multiple associations indicated that this relationship is only weakly affected by seasonal and temperature changes. It was also observed that relative humidity conditions may significantly influence the effectiveness of the dust exposure in sensitive students. Weather parameters showed no association with asthma in the control group.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 55 (1968), S. 544-545 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Marine biology 3 (1969), S. 117-121 
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The increases in constituents per unit weight of eggs during embryonic development of the gastropod Crepidula fornicata amounted to 14.6% for ash, 1.0% for protein, and 0.3% for non-protein nitrogen. During the same stages, fat content decreased from 33.7 to 20.3%, carbohydrate from 10.2 to 7.7% and energy content from 6209 to 5298 cal/g dry organic substance. The cumulative efficiencies for yolk utilization were 83.8% for dry weight, 61.0% for energy, 85.1% for protein, 50.7% for fat, and 63.6% for carbohydrate. A single egg contained 0.0269 cal, a single veliger 0.0164 cal. Of the 0.0105 cal expended on metabolic processes of the embryo, oxidation of fat contributed as much as 65.3%, while that of protein and carbohydrate amounted only to 18.8 and 6.3%, respectively. On the basis of ecophysiological considerations, a new classification of eggs is proposed.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 3 (1968), S. 37-48 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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