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  • 1
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    Performance of the ATLAS detector using first collision data (2010)
    Springer
    Details
    Publication Date: 2010-09-01
    Print ISSN: 1126-6708
    Electronic ISSN: 1029-8479
    Topics: Physics
    Published by Springer
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    Thermal transitions in poly(alkyl-4,4′-diphenoxy terephthalate)s (1993)
    Springer
    Polymer bulletin 31 (1993), S. 97-104 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The thermal transitions of poly(alkyl-4,4′-diphenoxy terephthalate)s, in which the flexible spacer contains 5,6 and 7 methylene groups, have been studied by thermogravimetry, differential scanning calorimetry, X ray diffraction, thermoptical microscopy and small angle light scattering. The series shows a marked influence of the even and odd number of methylene groups on the crystal-liquid crystal transition temperatures and on the isotropization transition temperature. Nematic mesophases have been observed for the odd terms, and a transition from a smectic to a nematic mesophase has been observed for the even term.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00298770
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  • 3
    Electronic Resource
    Electronic Resource
    Astrophysical Molecules AlD and CaH: Transition Probabilities and Dissociation Energy (2000)
    Springer
    Astrophysics and space science 272 (2000), S. 345-352 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Franck-Condon (FC) factors and r-centroids for the bands systemC 1 Σ + → X 1 Σ + of AlD and E 2 Π → X 2 Σ + of CaH have been evaluated by means of a reliable numerical integration procedure by using a suitable potential. The dissociation energy, D e, for the electronic ground states of AlD and CaH have been estimated by the curve fitting method to the RKRV experimental potential curve turning out to be 3.01 eV and 2.32 eV, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1002661027470
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  • 4
    Electronic Resource
    Electronic Resource
    Nucleolar structure in root-tip cells ofAllium cepa (1969)
    Springer
    Cellular and molecular life sciences 25 (1969), S. 1306-1307 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Resumen La tinción con plata y con fucsina básica del nucleolo en células meristemáticas deAllium cepa permite detectar la localización de dos componentes de distinta afinidad tintorial. El componente de mayor argentofilia aparece en forma de gránulos, distribuídos en el interior de una matriz contínua que presenta marcada basofilia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01897516
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  • 5
    Electronic Resource
    Electronic Resource
    The phase numbers and their variation under different treatments (1971)
    Springer
    Cellular and molecular life sciences 27 (1971), S. 972-974 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Resumen Se determinan los números de fase en poblaciones meristemáticas en equilibrio dinámico, donde permanecen constantes a 1 o largo del tiempo. Se estudia su evolución en presencia de tres tratamientos que producen bloqueo en tiempos diferentes del ciclo de división celularinterfase, profase y metafase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02135782
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  • 6
    Electronic Resource
    Electronic Resource
    Spectral changes resulting from the interaction of some N-alkyl nitrosamines and rat liver microsomes (1977)
    Springer
    Cellular and molecular life sciences 33 (1977), S. 643-645 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Dimethyl (DMN) and diethyl nitrosamine (DEN) do not give characteristic spectral changes upon interaction with rat liver microsomes, while dipropyl (DPN) and dibutyl (DBN) nitrosamine cause type I spectral changes. The spectral binding constant is 100 mM for DPN and 1.17 mM for DBN. The maximal spectral change is 3.2×106 and 1.0×106 absorbance units per milligram protein for DPN and DBN respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946550
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of scorpion venom fromTityus serrulatus (Tityustoxin) on the acetylcholine release and fine structure of the nerve terminals (1974)
    Springer
    Cellular and molecular life sciences 30 (1974), S. 1304-1305 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Nachweis, dass ein Giftstoff des südamerikanischen SkorpionsTityus serrulatus auch in vitro am isolierten Meerschweinchendarm zu stark erhöhtem Acetylcholinausstoss führt der bei Kalziumentzug und Blockade des Natriumeinstroms durch Tetrodotoxin blockiert werden kann. Elektronenoptisch sind im Mäusezwerchfellpräparat nur im präsynaptischen Gebiet pathologische Veränderungen zu sehen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01945198
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  • 8
    Electronic Resource
    Electronic Resource
    Repeated sequence RSa is diagnostic for Bradyrhizobium japonicum and Bradyrhizobium elkanii (1996)
    Springer
    Biology and fertility of soils 23 (1996), S. 15-19 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsBradyrhizobium japonicum ; Bradyrhizobium elkanii ; Repeated sequence RSα ; Polymerase chain reaction detection ; DNA hybridization ; Soil inoculant ; Nodulation tests ; N2 fixation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The genome of Bradyrhizobium japonicum and B. elkanii contains multiple copies of the repeated DNA sequence RSα. A collection of 18 B. japonicum, 4 B. elkanii and 72 other bacterial strains was screened by polymerase chain reaction (PCR) using a pair of primers specific for RSα. Only strains of B. japonicum and B. elkanii gave the predicted amplification product. Restriction analysis of PCR products obtained from different strains of B. japonicum showed that the RSα sequence was generally conserved. The usefulness of RSα as a specific probe for Bradyrhizobium strains capable of nodulating soybean was also demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335812
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  • 9
    Electronic Resource
    Electronic Resource
    Physiological and nutritional responses by Lactuca Sativa L. to nitrogen sources and mycorrhizal fungi under drought conditions (1996)
    Springer
    Biology and fertility of soils 22 (1996), S. 156-161 
    Details
    ISSN: 1432-0789
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract We measured the growth, nutrition, and N assimilation of arbuscular-mycorrhizal and non-mycorrhizal lettuce (Lactuca sativa L.) as affected by forms of N and drought. Moisture was maintained at 80% water-holding capacity, and N was applied as NO inf3 sup- , NH inf4 sup+ , or NO inf3 sup- /NH inf4 sup+ (3:1, 1:1, or 1:3). The growth of Glomus fasciculatum-colonized plants was comparable to that of uncolonized P-supplemented plants when N was provided as NH inf4 sup+ or combined NO inf3 sup- /NH inf4 sup+ . When N was supplied solely as NO inf3 sup- , G. fasciculatum-colonized plants produced a higher yield than P-fertilized plants, suggesting that the uptake and/or assimilation of NO inf3 sup- was particularly affected by mycorrhizal status in this water-limited situation. Nutrient availability, except Ca, was less limited for mycorrhizal plants than for P-fertilized plants. P fertilization increased the growth, glutamine synthetase activity, and protein content of lettuce to the same extent that G. fasciculatum colonization did when N was applied as NH inf4 sup+ . With NO inf3 sup- -fertilization, G. fasciculatum-colonized plants showed increased growth, nitrate reductase activity, and protein content compared to P-fertilizer treatment. Plants colonized by G. mosseae showed increased photosynthetic activity and proline acumulation, and these mechanisms may be important in adaptation by the plant to drought conditions. The present results confirmed that under drought conditions, the uptake or metabolism of N forms is particularly affected in mycorrhizal fungi-colonized plants, depending on the mycorrhizal endophyte and the N source added. Thus the significance of arbuscular-mycorrhizal fungus selection for plant growth in drought conditions is a consideration for management strategy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384448
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  • 10
    Electronic Resource
    Electronic Resource
    Physiological and nutritional responses by Lactuca Sativa L. to nitrogen sources and mycorrhizal fungi under drought conditions (1996)
    Springer
    Biology and fertility of soils 22 (1996), S. 156-161 
    Details
    ISSN: 1432-0789
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract We measured the growth, nutrition, and N assimilation of arbuscular-mycorrhizal and non-mycorrhizal lettuce (Lactuca sativa L.) as affected by forms of N and drought. Moisture was maintained at 80% water-holding capacity, and N was applied as NO3 –, NH4 +, or NO3 –/NH4 + (3:1, 1:1, or 1:3). The growth of Glomus fasciculatum-colonized plants was comparable to that of uncolonized P-supplemented plants when N was provided as NH4 + or combined NO3 –/NH4 +. When N was supplied solely as NO3 –, G. fasciculatum-colonized plants produced a higher yield than P-fertilized plants, suggesting that the uptake and/or assimilation of NO3 – was particularly affected by mycorrhizal status in this water-limited situation. Nutrient availability, except Ca, was less limited for mycorrhizal plants than for P-fertilized plants. P fertilization increased the growth, glutamine synthetase activity, and protein content of lettuce to the same extent that G. fasciculatum colonization did when N was applied as NH4 +. With NO3 –-fertilization, G. fasciculatum-colonized plants showed increased growth, nitrate reductase activity, and protein content compared to P-fertilizer treatment. Plants colonized by G. mosseae showed increased photosynthetic activity and proline acumulation, and these mechanisms may be important in adaptation by the plant to drought conditions. The present results confirmed that under drought conditions, the uptake or metabolism of N forms is particularly affected in mycorrhizal fungi-colonized plants, depending on the mycorrhizal endophyte and the N source added. Thus the significance of arbuscular-mycorrhizal fungus selection for plant growth in drought conditions is a consideration for management strategy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384448
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