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  • Articles  (40)
  • 1985-1989  (40)
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  • 1
    Electronic Resource
    Electronic Resource
    Characterization of a membrane-associated 3,3',5-triiodo-L-thyronine binding protein by use of monoclonal antibodies (1986)
    s.l. : American Chemical Society
    Biochemistry 25 (1986), S. 7881-7888 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00372a014
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic properties of R-Fe-B and R-Fe-Co-Al-B magnets (R=Pr and Nd) (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 5510-5512 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Permanent magnets based on the compositions Pr15Fe79B6, Nd15Fe79B6, Pr15Fe62.5Co16Al1B5.5, and Nd15Fe62.5Co16Al1B5.5 have been fabricated employing conventional powder metallurgical processes. Proper heat treatment has been found to improve magnetic properties. For example, in magnets of composition Pr-Fe-Co-Al-B, the heat treatment optimized in this study improved Br and (BH)max by about 5% and 10%, respectively, in comparison with conventional heat treatment reported in the literature. The temperature coefficients of magnetic properties have also been improved through Co and Al substitutions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342319
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  • 3
    Electronic Resource
    Electronic Resource
    Observations on Development of a Maturation System for Penaeus vannamei (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 18 (1987), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.1987.tb00441.x
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  • 4
    Electronic Resource
    Electronic Resource
    Comments on: “the heat capacity of poly(oxymethylene) as a function of crystallinity” (1986)
    Springer
    Polymer bulletin 15 (1986), S. 445-447 
    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 It is shown that the heat capacities of semicrystalline poly(oxymethylene)s (POM) measured recently by Illers and published in this journal support, rather than refute, the existence of a “rigid, amorphous fraction”. The former was suggested by Illers, the latter was our proposal (Suzuki et al.).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265727
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  • 5
    Electronic Resource
    Electronic Resource
    Structure of (−)-savinin (1987)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 43 (1987), S. 1005-1006 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270187093235
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  • 6
    Electronic Resource
    Electronic Resource
    Structure of (+)-calocedrin (1987)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 43 (1987), S. 1006-1008 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270187093223
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  • 7
    Electronic Resource
    Electronic Resource
    Fast DSC applied to the crystallization of polypropylene (1988)
    Springer
    Journal of thermal analysis and calorimetry 34 (1988), S. 105-114 
    Details
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine Reihe von quantitativen und semiquentitativen DSC-Versuchen mit Aufheizgeschwindigkeiten bis 10000 K/min wurden ausgeführt, um die Grenze der Kristallisation von Polypropylen festzustellen. Sogar bei diesen schnellen Aufheizgeschwindigkeiten kristallisiert Polypropylen beim Abkühlen zwischen 350±15 K und 280±6 K. Kein „völlig amorphes“ Polypropylen wurde erhalten.
    Abstract: Резюме С целью обнаружения т емпературного преде ла кристаллизации поли пропилена, проведен ряд количес твенных и полуколиче ственных ДСК измерений при скорос тях нагрева до 10 000 К/мин. Даже при таких с коростях полипропил ен при охлаждении кристалл изуется между 350±15 К и 280±6 К. Не было получ ено «полностью аморф ного» полипропилена. Начал ьная стадия кристаллизац ии в конденсированно е состояние не была подтверждена путем быстрого охлаждения частично закристаллизованно го продукта.
    Notes: Abstract In an effort to find the limit of crystallization of polypropylene, a series of quantitative and semiquantitative DSC experiments at rates up to 10,000 deg/min are described. Even at these fast rates polypropylene crystallized on cooling between 350±15 K and 280±6 K. No “fully amorphous” polypropylene was produced. No initial stage crystallization to the condis state could be proven by quenching after partial crystallization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01913377
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  • 8
    Electronic Resource
    Electronic Resource
    The properties low-temperature fixed piezoelectric ceramics (1986)
    Springer
    Journal of materials science 21 (1986), S. 571-576 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Chemicals having relatively Iow melting points have been used to reduce the required sintering temperature of MnO2-doped Pb0.9875((Zr0.52Ti0.48)0.975Nb0.025. Among these compounds Li2CO3, Na2CO3, B2O3, Bi2O3 and V2O5 are suitable additives for this purpose. The substitution and interstitial properties of the doped ions are discussed in connection with their influences on piezoelectricity and dielectric properties. HighQ m materials and materials with temperature-stability ofQ m could be obtained by Li+ and B3+ or Bi3+ doping. Compensation pair effects are proposed to explain the results. Materials exhibiting aQ m of about 500 with a deviation of less than 10% at temperatures up to 300° C have been prepared for filter use. The sintering temperature is as low as 1070° C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01145525
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  • 9
    Electronic Resource
    Electronic Resource
    Intrafusal muscle fibers of duck muscle spindles (1987)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 191 (1987), S. 225-232 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Serial transverse paraffin sections of intrafusal muscle fibers of spindles from the extensor pollicis and the extensor digitorum communis of ducks show that only one type of intrafusal muscle fiber exists, based on the mid-equatorial nucleation pattern, diameter, and length. Although the overall range in fiber diameter at the mid-equatorial region is between 4.2-20.0 μm, the average caliber is 10.4 ± 3.18 μm (S.D.) for spindles of the extensor pollicis and 9.3 ± 2.11 μm (S.D.) for spindles of the extensor digitorum communis muscles. The range in spindle length for the extensor pollicis is 290-2,090 μm, average 1,120 ± 569 μm (S.D.), and for the extensor digitorum communis 1,160-2,500 μm, average 1,745 ± 367 μm (S.D.). Therange in number of fibers per spindle for the extensor pollicis muscle is 5-12, average 8.2, and for the extensor digitorum muscle it is 1-11. In the extensor digitorum communis, there appear to be two groups, based on fiber number. Spindles of one group have a range of 5-11 fibers per spindle with an average of 7.2, whereas the second group has a range of 1-4 with an average of 2.7 fibers per spindle. The second group of spindles constitutes 52.5% of the 40 spindles studied, and of these 7.5% were monofibril spindles, 15.0% difibril, 17.5% trifibril, 12.5% quadrifibril spindles.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051910304
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  • 10
    Electronic Resource
    Electronic Resource
    The seasonal cycle of the global zonally averaged energy balance (1989)
    Springer
    Theoretical and applied climatology 40 (1989), S. 9-23 
    Details
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Der jährliche und jahreszeitliche Gang der globalen Zonenmittel der Speicherung und des Transports von latenter Energie (MSE), des Oberflächen-Eddy-Flusses der MSE und des Einstrahlungsbudgets an der Atmosphärengrenze (TOA) als auch auf der Erdoberfläche werden untersucht. Wir verwenden die GFDL Zonenmitteldaten, um die Ladung, Divergenz und den polgerichteten Fluß der MSE zu errechnen. Die Oberflächen-Eddy-Flüsse werden aufgrund einer empirischen Formel bestimmt, die mittels verfügbarer klimatologischer Daten erstellt wurde. Strahlungsflüsse auf der Oberfläche und der Atmosphärengrenze werden mittels eines Einstrahlungsmodells errechnet. Eine Reihe signifikanter Erscheinungen werden in der vorliegenden Analyse dargestellt mit Hinblick auf das globale jährliche und jahreszeitliche Energiegleichgewicht des Erde-Atmosphäre-Systems. Die Ladungs- und Entladungsrate des MSE ist im Frühjahr und Herbst größer als im Sommer und Winter. Die Spitzen des polgerichteten Transports der MSE liegen bei 40° N und 35° S mit einem Wert von ca. 3 × 1015 W. In bezug auf das Einstrahlungsbudget werden die persistenten ITKZ-Minima und die subtropischen Maxima der IR-Flußverteilung gut von dem Einstrahlungsparameterisierungsprogramm dargestellt. Die Sonneneinstrahlungsflußspitzen verschieben sich von 20° N im Frühjahr nach 40° im Sommer aufgrund der gegen den Pol hin zunehmenden Tageslänge. Zuletzt zeigen die Untersuchungen des globalen Oberflächenenergiegleichgewichts auf, daß die Oberflächennettoflüsse, abgeleitet von der Parameterisierung für Eddy- und Einstrahlungsflüsse, mit den beobachteten Werten gut übereinstimmen. Diese Übereinstimmung impliziert offensichtlich, daß im globalen Durchschnitt die physikalische Parametrisierung, die in dieser Studie angewendet wurde, verläßliche Modelle der jahreszeitlichen Oberflächenflußkomponenten liefern kann.
    Notes: Summary The annual and seasonal cycle of the global zonally averaged storage and transport of moist static energy (MSE), the surface eddy flux of MSE, and the radiation budget at the top of the atmosphere (TOA) and surface are investigated in this paper. We use the GFDL (Geophysical Fluid Dynamics Laboratory) zonal mean data to compute the storage rate, divergence, and poleward flux of MSE. Surface eddy fluxes are determined based on an empirical formula developed from available climatological data. Radiative fluxes at the TOA and surface are computed from a radiation model. A number of significant features are illustrated by the present analysis in regard to the global annual and seasonal energy balance of the earth-atmosphere system. The storage/release rate of MSE is greater in spring and autumn than in summer and winter. The rate of poleward transport of MSE has a maximum at ~40°N and ~35°S with a value of ~3 × 1015 W. In terms of the radiation budget, the persistent ITCZ minimum and subtropical maxima of the IR flux distribution are reproduced well in the radiation parameterization program. The incoming solar flux maximum shifts from ~20°N in spring to ~40°N in summer due to the poleward increase in the fraction of daytime. Finally, an examination of the global surface energy balance reveals that the surface net fluxes derived from parameterizations for eddy and radiative fluxes agree well with values derived from observations. This agreement appears to imply that on the global mean, the physical parameterizations used in the present study are reliable in modeling the seasonal surface flux components.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00867788
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