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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water monitoring & remediation 4 (1984), S. 0 
    ISSN: 1745-6592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water monitoring & remediation 4 (1984), S. 0 
    ISSN: 1745-6592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: There are many electronic tools available for ground water field studies including a wide variety of computer equipment. Consideration should be given to the use of computers when planning field studies. A foundation for determining the appropriate use of computers in field studies is presented in two parts. Part One includes a brief description of the components that comprise a computer and is intended to clarify terminology and illustrate the general characteristics of these machines. Related and frequently-used computer equipment is described in detail. Topics of special concern will be presented in Part Two, which will appear in the Spring 1984 issue, to alert the reader to common misconceptions and problems. This is illustrated by the description of two field studies.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of quantitative criminology 11 (1995), S. 231-245 
    ISSN: 1573-7799
    Keywords: unemployment ; initiation rate ; career length ; Poisson model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Law
    Notes: Abstract This paper models the increase in the participation rate of criminal behavior as either the initiation rate or the career length of criminals changes in response to increases in unemployment. Even with large instantaneous increases in unemployment, the models show a very slow increase in the criminal participation rate, giving a possible explanation of the failure of many studies to demonstrate a link between unemployment and crime levels.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of quantitative criminology 11 (1995), S. 315-336 
    ISSN: 1573-7799
    Keywords: remand ; prisons ; estimation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Law
    Notes: Abstract By applying a renewal theory model to data from the Australian Prisons Census, we estimate the number of remand receptions at prisons and the mean and median remand times served by prisoners during the period 1982–1990. We conclude that despite the general increases in court delays, and despite a large increase in the remand reception rate between 1982 and 1990, remand times have been largely unaffected, with the median remand time for 1990 being 1.7 weeks. Comparisons are made with official figures for various states and with figures for Canada and England/Wales.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of quantitative criminology 4 (1988), S. 61-70 
    ISSN: 1573-7799
    Keywords: Crime seriousness ; geometric mean ; confidence intervals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Law
    Notes: Abstract This article points out that the analysis of Sellin-Wolfgang crime seriousness scores requires some standardization with regard to coding limits and, especially, in the method of handling zero scores. Also, suitable confidence intervals are derived for the geometric mean of the Sellin-Wolfgang scores.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Company
    Nature biotechnology 11 (1993), S. 163-166 
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] Stockbrokers use them. But can neural nets become biotechnology's ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Veterinary research communications 10 (1986), S. 415-428 
    ISSN: 1573-7446
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The relationship between air quality-its dust content-and respiratory diseases of animals in the food industry and otherwise in examined. The correlation between dust content and incidence of disease in farm animals is also discussed. Lesions caused either directly or indirectly by dusttransported microorganisms are reviewd. Effects of dust on animal performance are included. This review is an attempt to compile available information on the natural occurrence of stable dust and the possibilities for its measurement and control.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of quantitative criminology 6 (1990), S. 395-409 
    ISSN: 1573-7799
    Keywords: auto theft ; criminal population estimation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Law
    Notes: Abstract Animal abundance estimation procedures including a new method of Zelterman are applied in the criminological context of auto theft in the Australian Capital Territory. Using goodness-of-fit statistics and comparing the estimates with known clearance rates, it is estimated that during 1987 about 39% of offenders were charged with at least one count of auto theft. The results also indicate the extent of overrepresentation of juveniles in court statistics compared with their relative participation rate in auto theft.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 44 (1994), S. 801-807 
    ISSN: 0006-3592
    Keywords: foaming ; fermentations ; biochemical basis ; biosurfactants ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A detailed physico-chemical analysis of two foaming fungal fermentations was carried out to identify that key groups of compounds responsible for foam formation. Fermentations were carried out on a 20-L scale in a stirred aerated tank, over 7 days, using a commercial, defined medium. The organisms investigated were Penicillium herqueii, a hyphomycete, and an unidentified Ingoldian fungus. Samples of broth and, where possible, foam were analyzed to determine which groups of compounds were concentrated into generated foams. Surface tension, bulk viscosity, and antifoam A concentration were additionally determined in broth samples. To date the cause of foaming in fermentations has been attributed to the surfactant properties of extracellular proteins. This assumption was tested and found to be incomplete as many additional groups of biochemicals were found to be enriched into the foam. The results of the investigation revealed the presence of proteins, carbohydrates, α-keto acids, and lipophilic biosurfactants, particularly extracellular pigments, enriched within stable foams. © 1994 John Wiley & Sons, Inc.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 118 (1984), S. 79-86 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: We have studied the rate of transcription of the gene for dihydrofolate reductase (DHFR) in mouse 3T6 fibroblasts during serum-induced transitions between the resting (G0) and growing states. As a model system, we have used a methotrexate-resistant 3T6 cell line that overproduces DHFR and its mRNA about 300-fold, yet regulates the expression of the DHFR gene in the same manner as normal 3T6 cells. In previous studies, we showed that the rate of production of cytoplasmic DHFR mRNA relative to total mRNA is about 4 times lower in resting than in exponentially growing cells. The rate increases to the growing value by about 15 hr following serum stimulation of the resting cells. This increase appeared to be controlled by regulating the rate of synthesis of DHFR hnRNA. In this study, we analyze the transcription of the DHFR gene in more detail. We use a variety of labeling times and RNA extraction procedures to measure the rate of synthesis of DHFR hnRNA relative to total hnRNA in pulse-labeled cells or in nuclei isolated from cells at various times following serum stimulation. The amount of labeled DHFR RNA is determined by DNA-excess filter hybridization. In all cases, the relative rate of synthesis of DHFR hnRNA increases at the same time, and to the same extent, as the rate of production of DHFR mRNA, suggesting that the increase in DHFR mRNA production is due to a corresponding increase in the rate of transcription of the DHFR gene. The increase in DHFR gene transcription is not blocked by cytosine arabinoside, showing that the increase does not depend on gene duplication. In isolated nuclei, DHFR RNA synthesis is inhibited by α-amanitin (1 μg/ml), indicating that the DHFR gene is transcribed by RNA polymerase II. Others have shown that when stationary phase cells are stimulated to proliferate, the increase in DHFR mRNA content is controlled primarily at the post-transcriptional level. Therefore, it appears that the rate of production of DHFR mRNA is controlled by different biochemical mechanisms when cells are in different physiological states.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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