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  • 1995-1999  (61)
  • 1
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    If a Tree Falls in the Forest… (1996)
    American Association for the Advancement of Science
    Details
    Publication Date: 1996-07-12
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    In-situ migmatite and hybrid diatexite at Mt Stafford, central Australia (1996)
    Oxford : Blackwell Science Ltd.
    Journal of metamorphic geology 14 (1996), S. 0 
    Details
    ISSN: 1525-1314
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Metasedimentary gneisses show a rapid change in grade within a 10-km-wide low-P/high-T  regional aureole at Mt Stafford, Arunta Block, central Australia. Migmatites occur in all but the lowermost of five metamorphic zones, which are characterized by: (1) muscovite–quartz schist; (2) andalusite–cordierite–K-feldspar granofels with small melt segregations; (3) spinel–sillimanite–cordierite–K-feldspar migmatite; (4) garnet–orthopyroxene–cordierite migmatite and minor diatexite; and (5) biotite–cordierite–plagioclase diatexite that shows a transition to granite. A subsolidus unit comprising interbedded sandstone and siltstone is equivalent to bedded migmatite,the main rock type in Zones 2–4. Mesoscopic textures and migmatite classification of this unit vary with grade. In Zone 2, metatexite is developed in siltstone layers that are separated by quartz-rich, unmelted metapsammite layers. Melt segregation was less efficient in Zones 3 and 4, where the dominant migmatite layering is a modified bedding. High proportions of melt were present in Zone 4, in which schlieren migmatite is transitional between bedded migmatite and metapelite-sourced diatexite. The preservation of sedimentary structures and coexistence of melt reactants and products in Zone 4 metapelite imply that melting proceeded insitu without substantial migration of melt. Zone 5 biotite–cordierite–plagioclase diatexite carries rafts of bedded migmatite with strongly resorbed edges, as well as large K-feldspar and quartz augen. This unit of comparatively Ca-rich migmatites is inferred to have been formed by the mixing of locally derived and injected granitic melt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1525-1314.1996.06002.x
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  • 3
    Electronic Resource
    Electronic Resource
    Multinuclear NMR, Raman, EXAFS, and X-ray diffraction studies of uranyl carbonate complexes in near-neutral aqueous solution. X-ray structure of [C(NH2)3]6[(UO2)3(CO3)6].cntdot.6.5H2O (1995)
    s.l. : American Chemical Society
    Inorganic chemistry 34 (1995), S. 4797-4807 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic00123a013
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  • 4
    Electronic Resource
    Electronic Resource
    Microwave Processing of Materials (1996)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Materials Research 26 (1996), S. 299-331 
    Details
    ISSN: 0084-6600
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ms.26.080196.001503
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  • 5
    Electronic Resource
    Electronic Resource
    Control of phosphorus inputs to a freshwater lake: a case study (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Aquaculture research 26 (1995), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The legislation permitting control of phosphorus inputs into the aquatic environment From point and diffuse sources is complex and incomplete. River Purification Authorities in Scotland are responsible for the implementation of this legislation, and additionally, have adopted policies aimed at protecting waters from the effects of eutrophication. This paper describes the implementation of the legislation and the policies adopted by the Forth River Purification Board for the control of freshwater eutrophication by reference to the Lake of Menteith. in Central Scotland. The Lake of Menteith is described, the results of a detailed monitoring exercise are presented and the control measures applied are discussed. The Lake of Menteith is classified as mesotrophic. it has a high conservation and amenity value, and is operated as a commercial sport fishery by the Lake of Menteith Fishery Company. The Company operate a fish cage rearing unit on the Lake and two land-based rearing units on tributary streams. The phosphorus budget for the Lake is described and the implications for future controls discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2109.1995.tb00943.x
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  • 6
    Electronic Resource
    Electronic Resource
    Iodobis(pyridine-N)bis(η5-trimethylsilylcyclopentadienyl)neodymium (1997)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 53 (1997), S. 850-852 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270196014552
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  • 7
    Electronic Resource
    Electronic Resource
    Chebychev matrices and quasiperiodic tilings (1995)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 684-690 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Using 2 × 2 and 3 × 3 matrices, Rao & Suryanarayan [Physica (Utrecht) (1994), B193, 139–146] and Clark & Suryanarayan [Acta Cryst. (1991), A47, 498–502] have obtained quasiperiodic tilings of the plane with n-fold rotational symmetry, n = 2, 3, 4, 5, 6, 8 with two unit prototiles. In this paper, a generalized method for generating quasiperiodic lattices for n-fold non-crystallographic axes is given by employing Chebychev and associated Chebychev matrices of order n, and some of their properties are derived. The method is based on the self-similarity principle. The properties of the matrices are applied to create self-similar tiles by solving an eigenvalue problem that shows how many of each type of tile to use and sheds light on how to configure the boundaries of the next generation's tiles. The tilings generated contain the above-mentioned filings as special cases. Thus, this approach introduces the basic techniques from linear algebra to the study of filings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108767395001711
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  • 8
    Electronic Resource
    Electronic Resource
    Dicofol and DDT residues in lizard carcasses and bird eggs from Texas, Florida, and California (1995)
    Springer
    Bulletin of environmental contamination and toxicology 54 (1995), S. 817-824 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197964
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  • 9
    Electronic Resource
    Electronic Resource
    When is a natural duality ‘good’? (1996)
    Springer
    Algebra universalis 35 (1996), S. 265-295 
    Details
    ISSN: 1420-8911
    Keywords: 08C05 ; 08C15 ; 18A40 ; Duality theory ; injective ; natural duality ; strong duality ; congruence distributivity ; near unanimity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Building on the most current work in the theory of natural dualities, we continue the study of strong dualities for the quasi-variety generated by a finite algebra. We investigate ten different versions of what we would like to mean by a ‘good duality’. Each version concerns, among other things, a specific restriction on the type of the structures in the dual category which insures that the dual structures will in a useful sense be simple. Through each investigation we seek a theorem characterizing, in terms of finitely verifiable conditions, those finite algebras generating a quasi-variety which admits a strong duality meeting the given restrictions. Our study includes a careful treatment of coproducts, logarithmic dualities and strong dualities by various unary structures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01195501
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  • 10
    Electronic Resource
    Electronic Resource
    Adrenal suppression with high doses of inhaled fluticasone propionate and triamcinolone acetonide in healthy volunteers (1997)
    Springer
    European journal of clinical pharmacology 53 (1997), S. 33-37 
    Details
    ISSN: 1432-1041
    Keywords: Key words Adrenal suppression ; Fluticasone propionate; cortisol ; inhaled corticosteroids ; triamcinolone acetonide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Study objective: This study was conducted to compare the adrenal suppression of inhaled fluticasone propionate and triamcinolone acetonide in healthy volunteers, both given via their respective pressurised metered dose inhaler (pMDI) devices at high doses within the manufacturers recommended dose range. Design: We used a single (investigator) blind, randomised, crossover design comparing a total daily dose of 1.625 mg fluticasone propionate delivered via a pMDI, 1.60 mg daily of triamcinolone acetonide delivered via a pMDI with integrated spacer, or placebo pMDI; each drug was given in two divided doses at 0800 hours and 2200 hours over a 24-h period. Each drug treatment was separated by a 1-week washout. Patients: Twelve normal subjects mean age 27.5 years were studied. Measurements: Blood samples were taken for 0800 hours plasma cortisol, i.e. 10 h following the second dose. Ten hour urine collections (2200 hours until 0800 hours) were taken for urinary cortisol and creatinine excretion. Results: For the 0800 hours plasma cortisol (geometric mean, nmol · l−1) compared with placebo (353) fluticasone propionate (138) produced significant (P〈0.05) suppression (2.57-fold difference), whereas triamcinolone acetonide (263) did not (1.34-fold difference). Fluticasone propionate produced a 1.91-fold greater adrenal suppression than triamcinolone acetonide (95% CI 1.10 to 3.33). Individual subjects with abnormally low 0800 hours cortisol values 〈150 nmol · l−1 (〈5.4 μg/dl) were n=4 for fluticasone propionate and n=0 for triamcinolone acetonide. Overnight urinary cortisol/creatinine ratio (geometric mean, nmol/mmol) did not show any difference between fluticasone propionate (1.48) and triamcinolone acetonide (1.60), with both producing significant suppression versus placebo (4.01): triamcinolone acetonide 2.50-fold difference (95% CI 1.45–4.24); fluticasone propionate 2.71-fold difference (95% CI 1.57–4.69). Conclusion: Fluticasone propionate 1.625 mg/day (pMDI) produced an approximately two-fold greater adrenal suppression of 0800 hours plasma cortisol than triamcinolone acetonide 1.60 mg per day (Oral Inhaler) when given twice daily, and one third of subjects with fluticasone had abnormally low 0800 hours cortisol values 〈150 nmol · l−1 (〈5.4 μg · dl−1). There were no differences between the drugs for urinary cortisol excretion. Further dose-ranging studies are required at steady-state in asthmatic subjects in order to see whether differences occur at lower doses on the steep part of the dose–response curve for both plasma and urinary cortisol suppression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002280050333
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