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  • 1
    Electronic Resource
    Electronic Resource
    Proliferation of Pneumocystis Trophozoites in Human Lymph Nodes and in Nude Mice Lungs (1989)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 36 (1989), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Pneumocystis infection in athymic nude mice lungs showed a particularly high trophozoite to cyst ratio. A similar observation was obtained from a study of a patient with lymph node infection with Pneumocystis. Eosinophilic foamy masses in these sites were observed by light microscopy . With the electron microscope, the masses were seen to be composed of large aggregates of trophozoites. Cystic forms (precyst, cyst and empty cyst) were extremely scarce in comparison with the huge numbers of trophozoites. These cystic forms were mostly undergoing degeneration. These observations indicate that the mode of proliferation in both situations was predominantly asexual, that is, proliferation by trophozoites, suggesting that certain conditions may enhance asexual reproduction or depress the formation of cysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1989.tb05820.x
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  • 2
    Electronic Resource
    Electronic Resource
    Proliferation of Pneumocystis Trophozoites in Human Lymph Nodes and in Nude Mice Lungs (1989)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 36 (1989), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Pneumocystis infection in athymic nude mice lungs showed a particularly high trophozoite to cyst ratio. A similar observation was obtained from a study of a patient with lymph node infection with Pneumocystis. Eosinophilic foamy masses in these sites were observed by light microscopy. With the electron microscope, the masses were seen to be composed of large aggregates of trophozoites. Cystic forms (precysl, cyst and empty cyst) were extremely scarce in comparison with the huge numbers of trophozoites. These cystic forms were mostly undergoing degeneration. These observations indicate that the mode of proliferation in both situations was predominantly asexual, that is, proliferation by trophozoites, suggesting that certain conditions may enhance asexual reproduction or depress the fonnation of cysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1989.tb02682.x
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  • 3
    Electronic Resource
    Electronic Resource
    Fertilizers (1950)
    s.l. : American Chemical Society
    Analytical chemistry 22 (1950), S. 215-221 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60038a004
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  • 4
    Electronic Resource
    Electronic Resource
    Gibbs energies of formation of cuprous and cupric yttrates (CuYO2 and Cu2Y2O5) and phase relations in the system copper-yttrium-oxygen (1989)
    s.l. : American Chemical Society
    Chemistry of materials 1 (1989), S. 515-519 
    Details
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    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/10.1021/cm00005a010
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  • 5
    Electronic Resource
    Electronic Resource
    Recent Developments and Current Problems in Inorganic Analytical Chemistry. Fertilizers (1959)
    s.l. : American Chemical Society
    Analytical chemistry 31 (1959), S. 1945-1949 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60156a017
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  • 6
    Electronic Resource
    Electronic Resource
    Fertilizer-Pesticide Mixtures (1954)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 2 (1954), S. 970-976 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60039a002
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  • 7
    Electronic Resource
    Electronic Resource
    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
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/172166a0
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  • 8
    Electronic Resource
    Electronic Resource
    Haploidy in Jute ( Corchorus olitorius L.) (1961)
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 288-289 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/192288b0
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  • 9
    Electronic Resource
    Electronic Resource
    Use of the Nasicon/Na2SO4 couple in a solid state sensor for SO x (x=2,3) (1988)
    Springer
    Journal of applied electrochemistry 18 (1988), S. 245-251 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The e.m.f. of a concentration cell for SO x (x=2,3)-O2 incorporating Nasicon as the main solid electrolyte has been measured in the temperature range 720 to 1080 K. The cell arrangement can be represented as, $$Pt, O'_2 + SO'_2 + SO'_3 \left| {Na_2 SO_4 \left\| {\left. {Nasicon} \right\|} \right.} \right.\left. {Na_2 SO_4 } \right|SO''_3 + SO''_2 + O''_2 , Pt$$ The Na2SO4 acts both as an auxiliary electrode, converting chemical potentials of SO x and O2 to equivalent sodium potentials, and as an electrolyte. The presence of Na2SO4 provides partial protection of Nasicon from chemical reaction with gas mixtures containing SO x . The open circuit e.m.f. of the cell is in close agreement with values given by the Nernst equation. For certain fixed inlet gas compositions of SO2+O2, the e.m.f. varies non-linearly with temperature. The intrinsic response time of the cell to step changes in gas composition is estimated to vary from ∼2.0 ksec at 723K to ∼ 0.2 ksec at 1077K. The cell functions well for large differences in partial pressures of SO3(p″SO 3/p′SO 3≈104) at the electrodes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01009271
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  • 10
    Electronic Resource
    Electronic Resource
    Studies on nonisothermal solid state galvanic cells — effect of gradients on EMF (1989)
    Springer
    Journal of applied electrochemistry 19 (1989), S. 394-400 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract An expression for the EMF of a nonisothermal galvanic cell, with gradients in both temperature and chemical potential across a solid electrolyte, is derived based on the phenomenological equations of irreversible thermodynamics. The EMF of the nonisothermal cell can be written as a sum of the contributions from the chemical potential gradient and the EMF of a thermocell operating in the same temperature gradient but at unit activity of the neutral form of the migrating species. The validity of the derived equation is confirmed experimentally by imposing nonlinear gradients of temperature and chemical potential across galvanic cells constructed using fully stabilized zirconia as the electrolyte. The nature of the gradient has no effect on the EMF.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01015242
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