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  • 1980-1984  (43)
  • 1960-1964  (7)
  • 1950-1954  (11)
  • 1
    Digitale Medien
    Digitale Medien
    Fertilizer-Pesticide Mixtures (1954)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 2 (1954), S. 970-976 
    Details
    ISSN: 1520-5118
    Quelle: ACS Legacy Archives
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/jf60039a002
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  • 2
    Digitale Medien
    Digitale Medien
    Fertilizers (1950)
    s.l. : American Chemical Society
    Analytical chemistry 22 (1950), S. 215-221 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac60038a004
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  • 3
    Digitale Medien
    Digitale Medien
    Spores and Tracheids of Vascular Plants from the Vindhyan System, India: the Advent of Vascular Plants (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 166-167 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Pursuing these studies further, specimens of the Suket Shales (containing well-preserved specimens of Fermoria) belonging to the upper part of the Semri series1 of the Lower Vindhyans, near Rampura (lat. 24 28'; long. 75 26'), Central India (now Madhya Bharat), were treated with hydrofluoric acid ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/172166a0
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  • 4
    Digitale Medien
    Digitale Medien
    Haploidy in Jute ( Corchorus olitorius L.) (1961)
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 288-289 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] From a selection of X-ray-irradiated progenies of 70,000 r. treatment of the X, generation of Gor-ohorua olitorius (i7.nO 632) in 1960, seven variants were found from a culture of healthy, vigorously growing normal plants. These plants with comparatively slender stom and small leaves were very ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/192288b0
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  • 5
    Digitale Medien
    Digitale Medien
    Thermal stresses in subducting lithosphere can explain double seismic zones (1982)
    [s.l.] : Nature Publishing Group
    Nature 295 (1982), S. 587-589 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The best studied double seismic zone is that beneath Northeast Honshu, Japan (Fig. 1). Note that the double zone of seismicity occurs in a portion of the downgoing plate that appears to be straight. We sought to evaluate whether the thermal stresses that result from the warming of the plate as it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/295587a0
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  • 6
    Digitale Medien
    Digitale Medien
    Berechnung der Potentialströmung um Profile mit Absaugung und Ausblasen (1963)
    Springer
    Archive of applied mechanics 32 (1963), S. 51-65 
    Details
    ISSN: 1432-0681
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00536502
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  • 7
    Digitale Medien
    Digitale Medien
    Sulphur potential measurements with a two-phase sulphideoxide electrolyte (1983)
    Springer
    Journal of applied electrochemistry 13 (1983), S. 55-67 
    Details
    ISSN: 1572-8838
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract The open circuit potentials of the galvanic cell,Pt (or Au)¦(Ar + H2S + H2)′∥CaS + ZrO2(CaO)∥ (Ar + H2S+ H2)″£t (or Au) has been measured in the temperature range 1000 to 1660 K and PH2S:PH 2 ratios from 1.73×10−5 to 2.65×10−1. The solid electrolyte consists of a dispersion of calcium sulphide in a matrix of calcia-stabilized zirconia. The surface of the electrolyte is coated with a thin layer of calcium sulphide to prevent the formation of water vapour by reaction of hydrogen sulphide with calcium oxide or zirconia present in the electrolyte. The use of a ‘point electrode’ with a catalytically active tip was necessary to obtain steady emfs. At low temperatures and high sulphur potentials the emfs agreed with the Nernst equation. Deviations were observed at high temperatures and low sulphur potentials, probably due to the onset of significant electronic conduction in the oxide matrix of the electrolyte. The values of oxygen and sulphur potentials at which the electronic conductivity is equal to ionic conductivity in the two-phase electrolyte have been evaluated from the emf response of the cell. The sulphide-oxide electrolyte is unsuitable for sulphur potential measurements in atmospheres with high oxygen potentials, where oxidation of calcium sulphide may be expected.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00615887
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  • 8
    Digitale Medien
    Digitale Medien
    Decomposition of β-alumina in an oxygen potential gradient (1983)
    Springer
    Journal of applied electrochemistry 13 (1983), S. 469-472 
    Details
    ISSN: 1572-8838
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract Single phase sodiumβ-alumina solid electrolyte was found to undergo isothermal phase separation in electrochemical cells, where a large oxygen potential gradient was imposed across the electrolyte and electrodes, not reversible to sodium ions, were short circuited. The experimental conditions and evidence of decomposition are outlined and a thermodynamic explanation for the phenomenon is given. This finding may lead to new methods for making multi-layered ceramic materials involving ionic conductors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00617521
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  • 9
    Digitale Medien
    Digitale Medien
    Phase relationships in the system Cr-W-O and thermodynamic properties of CrWO4 and Cr2WO6 (1980)
    Springer
    Journal of materials science 15 (1980), S. 2167-2174 
    Details
    ISSN: 1573-4803
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Abstract The phase diagram of the Cr-W-O system at 1000° C was established by metallographic and X-ray identification of the phases present after equilibration in evacuated silica capsules. Two ternary oxide phases, CrWO4 and Cr2WO6 were detected. The oxygen potential over the three-phase mixtures, W+Cr2O3 s+CrWO4, WO2.90+CrWO4+Cr2WO6 and Cr2O3+CrWO4+Cr2WO6, were measured by solid state cells incorporating Y2O3 stabilized ZrO2 electrolyte and Ni+NiO reference electrode. The Gibbs' energies of formation of the two ternary phases can be represented by the following equations $$\begin{gathered} W(s) + \tfrac{1}{2} Cr_2 O_3 (s) + \tfrac{5}{4} O_2 (g) \to CrWO_4 (s) \hfill \\ \Delta G^0 = - 172 047 + 48.725T ( \pm 230) cal mol^{ - 1} \hfill \\ Cr_2 O_3 (s) + WO_3 (s) \to Cr_2 WO_6 (s) \hfill \\ \Delta G^0 = - 3 835 + 0.235{\rm T} ( \pm 500) cal mol^{ - 1} \hfill \\ \end{gathered}$$
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00552303
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  • 10
    Digitale Medien
    Digitale Medien
    Quantitation of aniline in water, urine and serum by isotopic dilution mass fragmentography (1982)
    Springer
    Chromatographia 16 (1982), S. 188-189 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Aniline ; Dimethylthiophosphinyl derivatives ; Mass fragmentography ; Environmental analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary A method for trace analysis of aniline in water, urine and serum samples is presented. Internal standardisation with d5-aniline, extraction, derivatisation with dimethylthiophosphinic chloride, gas chromatographic separation on a glass capillary column and mass fragmentographic quantitation are essential steps of the analytical procedure. A detection limit of 20 pg/ml in water and 500 pg/ml in urine or serum is achieved.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02258896
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