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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Restoration ecology 3 (1995), S. 0 
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of a pipeline corridor constructed through an ecological reserve in Southern California was investigated by assessing plant species composition and soil chemistry. A homogeneous plant community comprised primarily of exotic annuals was found along the entire length of the corridor. This community has low similarity to the adjacent native plant communities. Soil organic matter was significantly less on the disturbed corridor than in contiguous undisturbed areas. Both available nitrogen and extractable phosphorus values were greater in the disturbed corridor. By contrast, total nitrogen was significantly higher outside the pipeline. The more labile litter of the exotic annuals allows increased mineralization along the corridor than does the more recalcitrant litter of the native perennial shrubs in the undisturbed areas. Once established, the weedy exotic annual litter may completely turn over organic matter and nitrogen, favoring the persistence of the weedy annuals. These exotic annuals appear to be moving into three of the native communities - grassland, coastal sage, and oak woodland - that have less organic matter and a more open plant canopy. Poor restoration efforts can lead to the establishment of such exotics, subsequent invasion into the surrounding undisturbed habitat, and degradation of the reserve.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 544 (1988), 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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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 540 (1988), 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
    Journal of food safety 4 (1982), S. 0 
    ISSN: 1745-4565
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 41 (1976), 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: Characteristics are presented for Yersiniu enterocoliticu-like organisms isolated from vacuum-packaged beef and lamb stored for 21-35 days at l-3°C. Isolation of this organism was more frequent after 28 days of storage under vacuum conditions than under nonvacuum conditions (leaker packages). A higher incidence of isolates was obtained from cuts packaged under high vacuum conditions.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), 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: A comparison of three relatively rapid methods of determining free fatty acids concentrations in cheese was performed by correlating the results with a more laborious but accurate gas chromatographic (GC) technique. Acid Degree Values were found to correlate poorly with the GC data, particularly for short chain fatty acids. Values obtained using a Copper Soap Method correlated closely with the GC data for total and long chain fatty acids, but did not correlate as well with short chain fatty acids levels. The Extraction-Titration Method was found to be a simple and reliable technique that yielded values which correlate closely with short chain fatty acid concentrations.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), 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: A qualitative screening revealed the occurrence of lipase, esterase, protease, amylase, endo-1,4-β-D-glucanase, xylanase, pectinmethylesterase, polygalacturonase, catalase, β-D-glucosidase and β-D-galactosidase activities in the technical Aspergillus niger enzyme under study (Lipase 2212 D, Röhm). The isolation and purification of lipolytic activities were performed by combination of DEAE-Trisacryl M ion exchange chromatography, Sephadex G 50 gel filtration and hydrophobic chromatography using Phenylsepharose CL-4B. The individual purification steps were checked by specific enzyme visualization in ultrathin agar gels after ultrathin-layer isoelectric focusing (UIEF). Two UIEF homogeneous lipase isoenzymes (I and II) were isolated and characterized by the following parameters: isoelectric points (I: 4.0; II. 3.5); molecular weights (I: 31000 daltons; II: 19000 daltons); carbohydrate contents (I: 6%; II: 9%) and compositions; pH optima (I, II: 5-6); substrate specificities and various effectors.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 69 (2004), 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: : In the past, deliberate contamination of foods in the U.S. has been committed by individual criminals, disgruntled employees, or political activists with a narrow agenda. After September 11, 2001, every nation has had to consider a much wider range of food security issues. Food is a global commodity and nearly every country both exports and imports foods. Every nation must consider the security of its domestic production and look beyond its borders to its trading partners to assure the safety of its food supply. In the nearly 2 years since September 11, 2001, many steps have been taken to improve food security. New legislation has been enacted to strengthen the ability of government to respond to terrorist threats. New relationships have been forged between food security agencies, law enforcement, and the intelligence community. Virtually every segment of the domestic and imported food supply has come under scrutiny in an effort to identify points of weakness and appropriate protective measures. Gaps in our knowledge about specific agents and food processes have been identified and research to fill these gaps has been initiated. This effort will continue for the foreseeable future and could have a wide range of benefits, including improvements to food safety, a reduction in product counterfeiting, and a reduction in the “gray market” food trade. The scale and diversity of the U.S. food supply makes it an attractive target, but at the same time makes it very resilient and responsive to emerging threats.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    The @TQM magazine 10 (1998), S. 458-463 
    ISSN: 0954-478X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Regarding preventive quality management, Germany was lagging behind for many years. Managers relied on the famous mark "Made in Germany" for too long. They did not realize that international competition had tightened. However, times have changed. Starting with the boom in ISO certifications, Germany is getting back on track again. Today, total quality management and business excellence concepts are gaining ground. Positive trends regarding both applications for Germany's Ludwig-Erhard-Preis and the use of self-assessment show that the quality movement has got a new impetus.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    The @TQM magazine 9 (1997), S. 217-220 
    ISSN: 0954-478X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Notes the importance of countries beyond Europe in terms of the contribution of valuable ideas to the development of TQM. Looks at the introduction of the Australian Quality Award and its development from 1988 to the present day. Examines in detail the criteria and purpose of the award.
    Type of Medium: Electronic Resource
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