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  • 1
    Electronic Resource
    Electronic Resource
    Physical Factors Related to C18 Adsorption Columns for Debittering Protein Hydrolysates (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 62 (1997), 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: A C18 column for debittering casein hydrolysates was tested for life-span (70 debittering cycles), diameter-to-height ratio (D/H) (1.33-5.0), linear flow rate (LFR) (200-400 cm-hr-1), and scale-up ability (13-fold). The product quality and yield (69–72%) were consistent within these ranges of test conditions. The debittering capacity was about 0.6g loaded sample g-1 C18. Columns were functional with feed concentrations (FC) as high as 30% (w/v).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1997.tb15012.x
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Functional and Immunological Properties of Casein Hydrolysate Produced from a Two-Stage Membrane System (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 62 (1997), 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: A uniform hydrolysate with a relatively low free amino acid content (〈5%) was produced from bovine casein with a commercial protease (Alcalase) in a two-stage membrane reactor. The trichloroacetic acid-soluble nitrogen was 98.68% and degree of hydrolysis was 23.2% for the second-stage hydrolysate. The retained immunologically active casein was 2.32% and whey protein was 1.09% in the hydrolysate as determined by ELISA. The second-stage protein hydrolysate was completely soluble at 2% (w/v) from pH 3.0 to 9.0. Water sorption increased two to four times at water activities of 0.33 to 0.95 as compared to untreated casein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1997.tb04410.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Debittering Casein Hydrolysates with Octadecyl-Siloxane (C18) Columns (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 62 (1997), 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: Three casein hydrolysates (degree of hydrolysis (DH) of 23, 47, and 65.5 (%)) were debittered using three different hydrophobic adsorption columns, C18, C8, and phenolic resin (PR). Higher DH hydrolysates resulted in higher total nitrogen yields through the debittering process. The C18 and PR columns had more effective debittering than the C8 column, which had the highest processing yield. The PR column had much lower processing yield than the C18 column. Q-value correlated with bitterness in the hydrolysates. Antigenicity of treated hydrolysates was reduced by the debittering process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1997.tb15431.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Casein Hydrolysate Produced Using a Formed-in-Place Membrane Reactor (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 60 (1995), 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: Casein hydrolysate was continuously produced by hydrolysis of bovine casein with Protease Type XXIII (from Aspergillus oryzue) in a pilotscale formed-in-place membrane reactor. A high percentage (〉99%) of TCA soluble nitrogen in the hydrolysate (product) was achieved after 45 min at 37°C and pH 7. The product was completely soluble over pH range 2–9. Water sorption increased 4 to 6.5 times at water activity of 0.35–0.95 as compared to intact casein. The immunologically active casein and immunologically active whey protein in the product were reduced 99% and 97%, respectively. Long term operation showed that the membrane reactor maintained steady production of casein hydrolysate longer than 17 hr.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1995.tb04589.x
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    Paper (German National Licenses)
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  • 5
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    Large wind-turbine projects in the United States wind energy program (1980)
    Elsevier
    Details
    Publication Date: 1980-05-01
    Print ISSN: 0167-6105
    Electronic ISSN: 1872-8189
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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    PAPER CURRENT
  • 6
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    Design of the Space Station Freedom power system (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The design of Space Station Freedom's electric power system (EPS) is reviewed, highlighting the key design goals of performance, low cost, reliability and safety. Tradeoff study results that illustrate the competing factors responsible for many of the more important design decisions are discussed. When Freedom's EPS is compared with previous space power designs, two major differences stand out. The first is the size of the EPS, which is larger than any prior system. The second major difference between the EPS and other space power designs is the indefinite expected life of Freedom; 30 years has been used for life-cycle-cost calculations.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: IECEC-89; Aug 06, 1989 - Aug 11, 1989; Washington, DC; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    The US space station and its electric power system (1988)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The United States has embarked on a major development program to have a space station operating in low earth orbit by the mid-1990s. This endeavor draws on the talents of NASA and most of the aerospace firms in the U.S. Plans are being pursued to include the participation of Canada, Japan, and the European Space Agency in the space station. From the start of the program these was a focus on the utilization of the space station for science, technology, and commercial endeavors. These requirements were utilized in the design of the station and manifest themselves in: pressurized volume; crew time; power availability and level of power; external payload accommodations; microgravity levels; servicing facilities; and the ability to grow and evolve the space station to meet future needs. President Reagan directed NASA to develop a permanently manned space station in his 1984 State of the Union message. Since then the definition phase was completed and the development phase initiated. A major subsystem of the space station is its 75 kW electric power system. The electric power system has characteristics similar to those of terrestrial power systems. Routine maintenance and replacement of failed equipment must be accomplished safely and easily and in a minimum time while providing reliable power to users. Because of the very high value placed on crew time it is essential that the power system operate in an autonomous mode to minimize crew time required. The power system design must also easily accommodate growth as the power demands by users are expected to grow. An overview of the U.S. space station is provided with special emphasis on its electrical power system.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA-TM-101974 , E-4674 , NAS 1.15:101974 , South Pacific Electrical International Convention; May 02, 1988 - May 05, 1988; Brisbane; Australia
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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