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  • 1
    Electronic Resource
    Electronic Resource
    Involvement of Met-enkephalin in diazepam induced inhibition of morphine tolerance and dependence
    Amsterdam : Elsevier
    Regulatory Peptides 53 (1994), S. S207-S208 
    Details
    ISSN: 0167-0115
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-0115(94)90313-1
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibition of morphine tolerance and dependence by diazepam and it's relation to CNS opioid peptides
    Amsterdam : Elsevier
    Regulatory Peptides 54 (1994), S. 299-300 
    Details
    ISSN: 0167-0115
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-0115(94)90508-8
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Purification and Concentration of Betalaines by Ultrafiltration and Reverse Osmosis (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), 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: Beet juices prepared by solid-liquid extractions were processed by ultrafiltration (UF) and reverse osmosis (RO) to 30°Brix at 20°C. De Danske Sukkerfabrikker (DDS) UF/RO Lab Module-20 plate-and-frame system was used having a 0.72-m2 effective membrane area and pressures from 50-40 bar. After prefiltering, pectinase treated juices were sequentially processed through 20,000 and 6,000 (UF) molecular weight (MW) cut-off membranes. The UF purified products were then concentrated by RO processes on several types of cellulose acetate (CA) membranes, one with a 500 MW cut-off and 70% NaCl permeability provided colorants that were separated from a majority of soluble solids. Addition of invertase to pectinase-treated juices decreased flux but yielded a three-fold increase in betalaine concentration on a dry weight basis. Betalaine concentration by UF and RO processes also halved nitrate level and greatly reduced flavor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb10105.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Influence of Reverse Osmosis on Sugar Retention in Apple Juice Concentration (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 49 (1984), 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: Reverse osmosis (RO) concentration of apple juices from 10-20 Brix using a commercial plate and frame RO system at various temperatures and pressures demonstrated that high resistance (HR) membranes are more efficient in sugar retention than cellulose acetate (CA) membranes. Both temperature and pressure had a significant effect on solute recovery. Optimum processing conditions for HR membranes were 40°C at 40 bar, 98% sugar recovery and 16.7L/m2/hr average processing capacity (flux). An increase of 3-4% average processing capacity per 1°C increase in temperature was observed. Operating conditions and membranes did not modify fructose content or glucose/fructose ratio of the RO concentrated juices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1984.tb13738.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Investigation of two plane paralleltiinven ilated jets (1990)
    Springer
    Experiments in fluids 10 (1990), S. 17-22 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Measurements of mean velocity components, mean flow direction, turbulent intensities and Reynolds shear stress were made with a split film probe of hot wire anemometer to investigate the flow field generated by two identical jets of air issuing from plane parallel nozzles in a common end wall and mixing with the ambient room air. Due to the sensitivity of the split film probe to the flow direction, the reverse flow in the converging region was detected by the split film probe and observed by flow visualization. The mean velocity approaches self-preservation in both the converging and the combined regions, while the turbulent intensities and Reynolds shear stress approach self-preservation in the combined region only. The trajectory of the maximum velocity is almost unchanged by variance of nozzle spacing in the converging region. The distance of the merging point from the nozzle exit increases linearly with nozzle spacing. The spread of the converging jet increases more rapidly than that of the combined jet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00187867
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Measurements of turbulent inclined plane dual jets (1993)
    Springer
    Experiments in fluids 16 (1993), S. 27-35 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Measurements of mean velocities, flow direction, velocity fluctuations and Reynolds shear stress were made with a split film probe of hot wire anemometer to investigate the interactions created by two air jets issuing from two identical plane inclined nozzles. The reverse flow was detected by using the split film probe and observed by flow visualization. Experimental results with an inclined angle of 9° are presented in the paper. Some experimental results with an inclined angle of 27° are presented to investigate the effect of inclination on the flow field. Mean velocities approach self-preservation in both the converging region and the combining region. Velocity fluctuations and Reynolds shear stress approach self-preservation in the combining region only. The spreads of jet and the square of the decay of maximum mean velocity increase linearly as the distance from the nozzle exit increases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00188502
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    UP and the low and high hierarchies: A relativized separation (1996)
    Springer
    Theory of computing systems 29 (1996), S. 423-449 
    Details
    ISSN: 1433-0490
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract The low and high hierarchies within NP were introduced by Schöning in order to classify sets in NP. It is not known whether the low and high hierarchies include all sets in NP. In this paper, using the circuit lower-bound techniques of Håstad and Ko, we construct an oracle set relative to which UP contains a language that is not in any level of the low hierarchy and such that no language in UP is in any level of the high hierarchy. Thus, in order to prove that UP contains languages that are in the high hierarchy or that UP is contained in the low hierarchy, it is necessary to use nonrelativizable proof techniques. Since it is known that UPA is low for PPA for all setsA, our result also shows that the interaction between UP and PP is crucial for the lowness of UP for PP; changing the base class to any level of the polynomial-time hierarchy destroys the lowness of UP.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01184809
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    Paper (German National Licenses)
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