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  • Springer  (32)
  • Institute of Physics  (23)
  • Public Library of Science  (20)
  • American Physical Society (APS)
  • 2020-2022  (50)
  • 1975-1979  (25)
  • 1
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    Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector (2020)
    Springer
    Details
    Publication Date: 2020-08-01
    Print ISSN: 1063-7761
    Electronic ISSN: 1090-6509
    Topics: Physics
    Published by Springer
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    Statistical study of Am stars in spectroscopic binary systems (1978)
    Springer
    Astrophysics and space science 56 (1978), S. 341-362 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using the Am components in spectroscopic binaries, the region of metallicism in the (logm, logR) diagram is statistically discussed. The metallic-line characteristics appear in a slightly evolved stage near the Main Sequence within a belt characterized by logg=3.8–4.2, for which the radiiR/R ⊙=1.5–2.7. The distribution in the diagram indicates that appreciable differences should exist in the abundances as well as in the mixing lengths of the atmospheres of the Am components. Synchronism between rotation and revolution for the Am components is discussed, and it is clearly found that the synchronism holds accurately for the Am binaries with periods less than about six days, but for those with periods between six and ten days some Am components corotate and some do not, perhaps depending upon their ages. Using the Am spectroscopic binaries with periods less than twelve days, we find that the excess of metallicity is statistically correlated with the rotational velocity; and it is confirmed that the metallicity grossly decreases with increasing rotational velocity. If the effect of a non-Am secondary component is eliminated from a [m 1]-value for the combined light, the correlation between metallicity excess and rotational velocity for the Am components only should approach Δ[m 1]/ΔV (km s−1)=−0.00077.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01879565
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  • 3
    Electronic Resource
    Electronic Resource
    Metabolism ofL-sorbose by enzymes fromGluconobacter melanogenus IFO 3293 (1975)
    Springer
    Applied microbiology and biotechnology 2 (1975), S. 1-7 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Studies on the metabolism ofL-sorbose by cell-free extracts fromGluconobacter melanogenus IFO 3293 grown inL-sorbose — containing media confirm by different methodology the observations by Makover et al. that the sequence in this bacterium isL-sorbose →L-sorbosone → 2-keto-L-gulonic acid →L-idonic acid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01385440
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  • 4
    Electronic Resource
    Electronic Resource
    Surface microtopography of metamorphic white micas (1979)
    Springer
    Physics and chemistry of minerals 5 (1979), S. 65-81 
    Details
    ISSN: 1432-2021
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Abstract Gold decoration and platinum-carbon-shadowing techniques of electron microscopy have been applied to study the surface microtopographs of noncleavage (001) faces of porphyroblastic white micas and sericite crystals collected from the chlorite, biotite, and garnet zones in the Shiragayama area in the Sanbagawa metamorphic terrain, Shikoku, Japan. Two different types of surface microtopograph have been observed; parallel step system and saw-tooth step system. The former is interpreted as representing the surface microtopographs formed either by growth or under near equilibrium conditions, the latter either by dissolution or under rigorous kinetic conditions. The former has been observed on porphyroblastic white micas occurring in the middle portion of each metamorphic zone and on all sericite crystals, the latter on most sericites and on porphyroblastic white micas occurring along the boundaries of the neighboring metamorphic zones. It is suggested that the observed variations in the surface microtopographic characteristics are due to Ostwald ripening during a kind of sintering process in which interstitial water plays an essential role, and that the drastic changes along the metamorphic zone boundaries are due to dehydration reactions. Retrogressive metamorphism is considered to have an almost negligible effect, if any, upon the surface microtopographs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00308169
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  • 5
    Electronic Resource
    Electronic Resource
    Distribution of titanium atoms in oxy-kaersutite (1975)
    Springer
    Contributions to mineralogy and petrology 51 (1975), S. 167-172 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The distribution of Ti atoms in oxy-kaersutite has been studied by the neutron diffraction method. The cation distribution over the three octahedral sites determined by the x-ray method (Kitamura and Tokonami, 1971) is as follows; M1∶0.40MG+0.60 FE, M2∶0.75 MG+0.25 FE, M3∶0.50 MG+0.50 FE, where MG and FE represent (Mg+Al) and (Fe+Ti), respectively. The neutron diffraction study indicates that Ti atoms are enriched in the M1 site more than M2 and M3 sites as follows; M1∶0.40 MG+0.33 Fe+0.27 Ti, M2∶ 0.75 MG+0.23 Fe+0.02 Ti, M3∶0.50 MG+0.46 Fe+0.04 Ti. This distribution agrees with the result based on the Madelung energy of oxy-kaersutite by Whittaker (1972).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00372077
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  • 6
    Electronic Resource
    Electronic Resource
    Intergrowth textures of diaplectic glass and crystal in shock-loaded P-anorthite (1977)
    Springer
    Contributions to mineralogy and petrology 61 (1977), S. 299-304 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The intergrowth of diaplectic glass and primitive anorthite has been observed in fragments shocked to 300 kbar. The textures observed by electron microscopy are similar to those produced in shocked quartz crystals. The diffuseness of reflections, related to antiphase domains, show no noticeable change in comparison with unshocked specimens. These results indicate that no gradual change in original domain size occurs and that the transformation of primitive anorthite to diaplectic glass occurs abruptly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376703
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  • 7
    Electronic Resource
    Electronic Resource
    Rhodopseudomonas sphaeroides forma sp. denitrificans, a denitrifying strain as a subspecies of Rhodopseudomonas sphaeroides (1976)
    Springer
    Archives of microbiology 108 (1976), S. 265-269 
    Details
    ISSN: 1432-072X
    Keywords: Rhodopseudomonas sphaeroides forma sp. denitrificans ; Taxonomic characteristics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract From polluted water of a lagoon pond a new type of denitrifying photosynthetic purple bacteria was isolated. With respect to morphology, fine structure, photopigments, requirement for growth factors, the range of utilization of organic substrates for phototrophic growth and DNA base ratio, the denitrifying strains show the closest resemblance to Rhodopseudomonas sphaeroides and were therefore described as a subspecies named R. sphaeroides forma sp. denitrificans. The new isolates grow well with nitrate anaerobically in the dark accompanying the evolution of nitrogen gas. They cannot assimilate nitrate as the nitrogen source for growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00454851
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  • 8
    Electronic Resource
    Electronic Resource
    The superstructure of plagioclase feldspars (1977)
    Springer
    Physics and chemistry of minerals 1 (1977), S. 199-212 
    Details
    ISSN: 1432-2021
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Abstract A modulation function representing the position and density of (Na, Ca) atoms in the superstructure of the e-plagioclase has been derived from the average structures of different plagioclase and a general modulation theory. Based on this function the superstructure of bytownite (An73) has been studied with the single crystal X-ray method. The cell dimensions by Megaw's axes are a=7.946(3)A, b=67.09(2)A, c=12.236(4)A, α=39.03(1)°, β=45.63(1)° and γ=59.63(1)°. Z=18(Na, Ca) Al(Al, Si)Si2O8. The initial phase factor of the modulation function for bytownite has been obtained from the intensity data of the satellite reflections. This modulation function indicates a coherent small-scale alternation of the Na-rich and Ca-rich bands in the superstructure. This superstructure has been refined by applying the albite and anorthite structures to the Na-rich and Ca-rich bands, respectively. The change of the superstructure of the e-plagioclase due to the compositional change has been described based on the movements of the satellites in reciprocal space. The direction of the coherent small-scale intergrowth of the anorthite-like and albite-like bands is perpendicular to the t vector. The thickness of the intergrowth is 1/|t|. Both direction and thickness change regularly from An75 to An25.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307318
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  • 9
    Electronic Resource
    Electronic Resource
    The superstructure of plagioclase feldspars (1977)
    Springer
    Physics and chemistry of minerals 1 (1977), S. 213-225 
    Details
    ISSN: 1432-2021
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Abstract The lattice imaging technique of high resolution electron microscopy has been applied on anorthite (An96) and labradorite (An52) to examine their antiphase boundaries (APBs) and superstructure relations. The effects of the structure details and superstructure relations on the lattice images change with the thickness of the specimens. The lattice images of the areas with the usual thickness (〉150 Å) generally represent not the structure details but the superstructure relations. In anorthite the type b-APBs are rather sharp and narrow with the displacement vector of 1/2[110]An. The type c-APBs have the displacement vector of 1/2[111]An. The existence of the I $$\bar 1$$ phase in the P $$\bar 1$$ matrix is not observed for both types in this study. In labradorite, the superstructure is coherent small-scale intergrowth of the anorthite-like and albite-like bands with the interval of 30 Å corresponding to the t vector of the e 1-e 1 pairs. The thickness of both bands in the lattice images indicates that the anorthite-like and albite-like regions have approximate compositions of An80 and An5, respectively. The ordered arrangement of the subcells in each anorthite-like band, due to the reversal arrangement of Si and Al in the tetrahedral sites, is in antiphase relation with the next anorthite-like band separated by an albite-like band, resulting in a periodic antiphase structure. The type b-APBs in anorthite and the periodic APBs in labradorite are characterized with the displacement vector R=1/2[110]An=b 0.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307319
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  • 10
    Electronic Resource
    Electronic Resource
    Größe und Orientierung der Kristallite in leicht vernetztem Polyäthylen, das aus der Schmelze unter einachsiger Kompression kristallisiert wurde (1976)
    Springer
    Colloid & polymer science 254 (1976), S. 760-760 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01643862
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