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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Chemistry of materials 2 (1990), S. 192-194 
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 98 (1976), S. 4340-4341 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 95 (1973), S. 1337-1338 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Der Anaesthesist 47 (1998), S. 690-691 
    ISSN: 1432-055X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Environmental geology 29 (1997), S. 84-93 
    ISSN: 1432-0495
    Keywords: Key words Mine subsidence ; Groundwater resources ; Coal mining ; Surface Mining Control and Reclamation Act
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract  Underground coal mining can affect wells and springs used as water supplies. In Virginia, concerns over such impacts are felt by both surface owners and coal-mining firms. Virginia's geologic history has caused faults and fractures to be common in its coalfield region, relative to other Appalachian coal-mining areas. The results of 73 investigations of alleged domestic water supply impacts by underground mining were analyzed; the investigations were conducted by the Virginia Division of Mined Land Reclamation (VDMLR). This analysis was conducted with reference to guidelines that define a primary zone of underground mining influence where dewatering of aquifers is to be expected. The VDMLR data set included 27 investigations of alleged water supply impacts by partial-extraction room-and-pillar mines, 41 investigations of high-extraction room-and-pillar mines, and 4 investigations of longwall mines. VDMLR investigators found that 14 of 16 water supplies within the primary zone of influence were likely to have been affected by pillar-retreat mining, but no water supplies within the primary zone of influence for longwall and room-and-pillar mines were represented in the data base. VDMLR investigators found 42 of 56 water supplies outside of the primary zones were likely to have been affected by mining; these cases represented room-and-pillar, pillar-retreat, and longwall mining. Geologic circumstances not directly related to subsidence were found to be responsible for 31 of these 42 impacts. These geologic circumstances included subsurface fractures and other geologic features acting as aquifers that were drained by underground mining operations. VDMLR investigators also found some of the investigated water losses to have been caused by factors other than mining. These results demonstrate the inherent difficulties of any attempt to rigidly define a "zone of underground mining impact" based solely on mine subsidence effects, especially in regions where geologic faults and fractures are common such as the southwest Virginia coalfield.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 26 (1970), S. 494-495 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Kalium erhöht die Bildung von markiertem Noradrenalin aus markiertem Tyrosin im isolierten Vas deferens. Es wird angenommen, dass dieser Effekt auf eine Steigerung der Tyrosin-Hydroxylase zurückzuführen ist.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 26 (1970), S. 960-961 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Die Umwandlung von Tyrosin in Katecholamin wurde in verschiedenen Blutgefässen untersucht. Die Katecholamin-Biosynthese erfolgte am schnellsten in der Arteria mesenterica sup. (0,6 μg/g/h), was zehnmal höher liegt als diejenige in der Aorta oder in der Arteria pulmonalis.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 55 (1977), S. 189-191 
    ISSN: 1432-1440
    Keywords: Cerebrospinal fluid-lysozyme ; β2-microglobulin ; Meningitis ; Cerebral convulsion ; Liquor ; Lysozym ; β2-Mikroglobulin ; Meningitis ; Zerebrale Krampfanfälle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im normalen Liquor und bei Kindern mit viraler Meningitis findet man kein Lysozym. Kinder mit bakterieller Meningitis (0,23±0,14 mg/100 ml) und cerebralen Krampfanfällen (0–0,82 mg/100 ml) haben im Liquor Lysozym in unterschiedlich hoher Konzentration. Lysozym ist somit von Bedeutung bei der Differentialdiagnose zwischen viraler und bakterieller Meningitis; die Anwesenheit von Lysozym belegt eindeutig deren bakterielle Ätiologie. Die β2-Mikroglobulinkonzentration im Liquor gesunder Kinder beträgt 0,11±0,05 mg/100 ml; bei Kindern mit viraler Meningitis 0,20±0,06 mg/100 ml und bei bakterieller Meningitis 0,44±0,17 mg/100 ml. Bei cerebralen Krampfanfällen findet man ebenfalls leicht erhöhte β2-Mikroglobulinwerte.
    Notes: Summary Lysozyme is absent from normal cerebrospinal fluid (C.S.F.) and in C.S.F. from children with viral meningitis. Appreciable amounts of lysozyme were noted in C.S.F. from children with bacterial meningitis (0.23±0.14 mg/100 ml) and cerebral convulsions (0–0.82 mg/100 ml). The C.S.F.-lysozyme content is a sensitive indicator for bacterial meningitis and important in the differential diagnosis between viral and bacterial meningitis. The β2-microglobulin content of C.S.F. in healthy children was 0.11±0.05 mg/100 ml; in children with viral meningitis 0.20±0.06 mg/100 ml and in children with bacterial meningitis 0.44±0.17 mg/100 ml. Children with cerebral convulsions had also a rise in C.S.F. β2-microglobulin.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Trace-metal distribution in tissues of the shrimp Pleoticus muelleri Bate from the Patagonian region, Argentina, was related to sex, size and physiological condition. Concentrations of cadmium, copper, manganese and zinc were determined in the digestive gland, male reproductive system and muscle of adult specimens. Significant (p〈0.01) sex-dependent differences in mean metal concentrations (μg g-1 wet wt) were found in the following tissues of males and females, respectively: digestive gland, Cu, 82.9 and 30.8; Zn, 32.5 and 44.9; reproductive system, Zn, 12.8 and 38.6; Mn, 1.7 and 3.1; Cd, 0.29 and 0.58. Metal levels of muscle showed no significant differences between sexes. Cadmium was not detected in muscle, suggesting that its incorporation into this tissue was strictly regulated. Metal concentrations in the male reproductive system were in general weakly correlated (0.001〈p〈0.05) with either body size or the concentration of metals in the digestive gland. The developing ovary incorporated substantial amounts of zinc, while cadmium and copper levels decreased at proportional rates (p〈0.001). The patterns of the variations in the concentrations of these metals in the ovary strongly suggested that a regulatory mechanism operated throughout oogenesis. Manganese was not involved in this presumptive mechanism. The results of this study are discussed in terms of concentrations and in absolute amounts for standardized individuals.
    Type of Medium: Electronic Resource
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