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  • Blackwell Publishing Ltd  (1,910)
  • Cell Press
  • 1990-1994
  • 1965-1969  (1,975)
  • 1965  (1,975)
Collection
Years
  • 1990-1994
  • 1965-1969  (1,975)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 131 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 3 (1965), S. 0 
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: The geoelectrical resistivity method, in conjunction with a few seismic refraction profiles, is used to locate permeable strata for the artificial recharge of ground water. Both Schlumberger and Wenner electrode configurations are used in carrying out the resistivity measurements. Possibilities and limitations in the interpretations of some sounding curves are discussed. An attempt to interpret (horizontal) resistivity profiles in terms of theoretical profiles over hemispherical sinks is included.The results of the seismic refraction profiles seem to show that, within the depth of interest, the alluvial strata lack a good elastic differentiation. On the other hand, the resistivity measurements have indicated the presence of buried stream channels. The discovery of one such channel is confirmed by later drilling and a good correlation is shown between geoelectrical predictions and geologic findings. It is shown that the construction of isoresistivity maps can greatly contribute to the successful performance and interpretation of electrical soundings.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 131 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 13 (1965), S. 0 
    ISSN: 1365-2478
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Physics
    Notes: An iterative process is proposed that computes a distribution of masses giving rise to a certain gravitational field. The possibility of applying a similar procedure to magnetic and electric fields is also discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 30 (1965), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The red pigments from Early Black cranberries were extracted with methanol, purified by lead acetate precipitation and polyamide columns, separated on silicic acid columns, and crystallized. The four pigments were identified as cyanidin-3-monogalactoside, peonidin-3-monogalactoside, cyanidin-3-monoar-abinoside, and peonidin-3-monoarabinoside based on the following evidence: Rt data in three solvents, fluorescence, sugar-aglycone ratios, formic acid and hydrogen peroxide hydrolysis, and spectral data. The absorption coefficients in ethanol-0.1/N hydrochloric acid (85:15) were also determined.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 126 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 125 (1965), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 30 (1965), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Viscosity readings with three rates of shear for each of six time intervals were obtained for 0.5% dispersions of lambda-carrageenan in de-ionized water and in solutions of increasing concentrations of CH3COOK, KBr, K2CO3, KCl, K3C3H5O7, KNO3, K3C2O4, K3PO4, and K2SO4. The addition of any of these salts to the water in which lambda-carrageenan was dispersed caused a highly significant decrease in viscosity. Significant differences also occurred among the viscosity readings for lambda-carrageenan dispersed in different concentrations of one salt; however, the same concentrations of the different salts did not show comparable effects on the reduction of carrageenan viscosity. No significant differences occurred among viscosity readings for carrageenan dispersed in the various potassium salts at the 0.05N level of concentrations nevertheless, differences did occur at both the 0.10N and 0.20N levels of concentration. All solutions tested showed significant differences among viscosity readings due to rate of shear. Differences were minimal among viscosity values attributable to aging time of the dispersions.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 30 (1965), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Breaking-force-deformation curves and total energy data were obtained for kappa-carrageenan gels prepared with increasing concentrations of CH3COOK, KBr, KCl, K3C6H5O7, KNO3, K2C2O4, and K2SO4. Increasing the concentrations of each potassium salt, used in combination with kappa-carrageenan, produced gels which gave significantly higher breaking-force and total energy values and lower deformation readings. Moreover, significant differences for all three measures of gel strength occurred among kappa-carrageenan gels prepared with each normality of the various potassium salts; therefore the anion as well as the cation used as a gelling agent affected the characteristics of the kappa-carrageenan gels. In general the effectiveness of the potassium salts in producing gels from kappa-carrageenan, in decreasing order, were: chloride, acetate, sulfate, nitrate, bromide, citrate, and oxalate.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 12 (1965), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. An electron microscope study of regenerating trichocysts in Frontonia vesirztlosa showed that these organelles oripnate from primordial, membrane-limited vesicles which appear randomly in the endoplasm. The characteristic pattern of development leading to the first definitive organization of the trichocyst involves the elaboration of the amorphous intravesicular substance into a series of closely packed fibrous sheets. These densely staining elements, laid down in two dimensional arrays, constitute the fundamental plan upon which the various structural subdivisions of the organelle are subsequently formed. Maturation involves, however, the re-transformation of the distinctly fibrillar pattern of the body into a homogeneous, structureless matrix.The mature trichocyst, consisting of the tip, cap and body, is a pyriform structure bounded by a thin external membrane which is continuous with the pellicle. Extrusion of the organelle results in the transformation of the homogeneous tip and body into a slender shaft with transverse striations having a familiar periodicity of about 560 Å. During discharge the entire organelle is ejected, but the cap does not participate in the formation of the shaft. Elementary units of 120Å and 250 Å periodicities are also described in intracellularly discharged trichocysts. These observations are discussed in relation to current theories on the nature of the extrusion process.The endoplasmic origin of trichocysts in Frontonia does not support the classical theory of the morphogenetic pluripatency of kinetosomes insofar as i t relates to the direct derivation of these organelles from pre-existing ciliary basal bodies.
    Type of Medium: Electronic Resource
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