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  • 1985-1989  (7)
  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Structural investigation of surfaces of blue bronze and hematite by scanning tunneling microscopy (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 5220-5222 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Images of the surfaces of cleaved crystals of K0.3MoO3 (blue bronze) and α-Fe2O3 (hematite) have been obtained in air at room temperature using a scanning tunneling microscope in the fast scanning mode. The pictures show a resolution in the range of 0.5 nm and compare well with surface structures derived from the bulk crystal parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.343159
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Determination of displacements in ultrasonic waves by scanning tunneling microscopy (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 1939-1944 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A method for the determination of the displacements in ultrasonic waves on surfaces of solids is presented. The technique is based on the scanning tunneling microscope and the measurements are performed in real space. The design of a low-temperature microscope capable of operating at liquid-helium temperature is shown. A simple theory is given, which describes the observations in a satisfactory way.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341747
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Measurement of Acid Diffusion in Canned Vegetables Using pH Sensitive Indicators (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    Details
    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 use of pH sensitive fluorescent dyes and color indicators for measuring acid diffusion in pH modified foods was investigated. Colorimetric pH profiles compared well with electrometric measurements. Colorimetric measurement techniques were applicable with both lightly colored vegetables (e.g., potatoes, onions) and highly colored vegetables (e.g., beets, carrots). Effective mass diffusivities were calculated from pH measurement and were on the order of 10-10 m2/sec for a variety of acids in potatoes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1988.tb07739.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Evaluation of Mechanical Deaeration Parameters for High Vacuum Canned Foods (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: In mechanical deaeration of sliced apples, pears and cut green beans, increasing fill temperatures or chamber vacuum enhanced product deaeration, whereas increasing dwell time under vacuum from 3 to 9 sec did not (p 〈 0.05). Product ability to resist explosion when subject to sudden vacuum varied with products, firmness and temperature. Control of fill temperature was necessary for proper removal of oxygen from the canned products.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1988.tb10198.x
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  • 5
    Electronic Resource
    Electronic Resource
    Comparing Flame and Mechanical Deaeration of High Vacuum Canned Green Beans and Apple Slices (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 52 (1987), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Mechanical deaeration in a vacuum closing machine and flame deaeration achieved comparable results in removing noncondensible gases from low-liquid packs of canned green beans and apple slices. Residual headspace oxygen was calculated from experimental measurements of pressure, void volume, and percent oxygen. Prolonged (〉 5 set) exposure of hot filled samples to mechanical vacuum prior to seaming did not result in lower residual oxygen. Sample changes through 9 mo storage were not influenced by deaeration method; consequently, residual oxygen or vacuum in cooled samples immediately after sampling may be used to assess adequacy of air removal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1987.tb06630.x
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    Paper (German National Licenses)
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  • 6
    facet.materialart.
    Unknown
    The Epistemic Route of Anti-Realism (1988)
    Sydney, N.S.W. : Periodicals Archive Online (PAO)
    Australasian Journal of Philosophy. 66 (1988) 161 
    Details
    ISSN: 0004-8402
    Topics: Philosophy
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4251-1988-066-00-000014
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  • 7
    Electronic Resource
    Electronic Resource
    INFLUENCE of GLUCONIC ACID ON THERMAL PROCESSING REQUIREMENTS FOR CANNED WHOLE PEELED TOMATOES (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food processing and preservation 13 (1989), S. 0 
    Details
    ISSN: 1745-4549
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Methods of detecting the activities of endogenous tomato pectin esterase and polygalacturonase were developed and used to measure heat resistance parameters for enzymes in tomato homogenates. Addition of 0.44% gluconic acid reduced heat resistance of pectin esterase which is responsible for gel formation in canned whole peeled tomatoes. However, heat inactivation of tomato polygalacturonase, which is responsible for general degradation of texture/consistency in tomato products, was not significantly affected by addition of up to 1.65% by wt gluconic acid. Pectic enzymes in canned whole peeled tomatoes packed in juice in 303 × 406 cans were inactivated in 35 min at 98.9 and 101.7°C, 26 min at 110.0°C or 25 min at 118.3°C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4549.1989.tb00117.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Phase equilibria in polymer solutions (1966)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 678-685 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A new semiempirical equation is presented for the Gibbs energy of mixing for solutions of polymers in single and mixed solvents. The equation contains two adjustable parameters per binary mixture and can readily be extended to multicomponent systems without additional parameters. The new expression gives a very good representation of the properties of a variety of polymer solutions including those in which there are strong specific interactions such as hydrogen bonding. Parameters are determined from binary vapor pressure data.A graphical method based on the new equation is given for predicting solubility limits in ternary systems containing one polymer and a mixed solvent. Only binary data are used. The method is demonstrated by comparisons of predicted solubility behavior with new experimental data taken on systems composed of polystyrene and the following mixed solvents: acetone-toluene, acetone-benzene, methanol-benzene, methanol-ethyl acetate, and acetone-methylcyclo-hexane.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690120412
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    Paper (German National Licenses)
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