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  • 1980-1984  (13)
  • 1975-1979  (15)
  • 1945-1949  (2)
  • 1900-1904  (2)
  • 11
    Electronic Resource
    Electronic Resource
    On coronal Fe abundances and temperatures from XUV emission lines (1977)
    Springer
    Solar physics 53 (1977), S. 435-444 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Data obtained by the OSO-7 spectroheliograph on strong XUV lines of five, different Fe ions from the outer equatorial corona are presented. Interpretation of the data with a spherically symmetric model atmosphere gives average ion abundances for lines of sight at 0.3R ⊙ from the limb. Fe xvi is usually more abundant than Fe xv, xiv, xii and ix, but there are times when Fe xii is more abundant than the other ions. The deviation of measured relative abundances of Fe xii, xiv, and xvi from predictions of ionization equilibrium at one temperature seems to indicate that there are appreciable temperature variations along lines of sight. Element abundances are very uncertain since they appear to depend so heavily on likely but unknown density irregularities along lines of sight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00160286
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  • 12
    Electronic Resource
    Electronic Resource
    Abundance of Fe relative to H at 1.5 solar radii (1975)
    Springer
    Solar physics 42 (1975), S. 487-496 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The abundance of Fe relative to H is obtained by using resonantly scattered intensities of λ 284 of Fe XV that were measured with OSO-7 and resonantly scattered intensities of Lα of H I that were obtained by Gabriel (1971). Because of possible differences in electron densities along lines of sight for these non-simultaneous measurements and in relative calibrations, results are rather uncertain but still indicate that the average Fe abundance relative to H in the corona appears to be at least as large as a recent photospheric abundance. Some limitations in using this method for obtaining abundances are examined for future experiments with simultaneous measurements and well calibrated detectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00149928
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    Paper (German National Licenses)
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  • 13
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    Unknown
    MRS. PIOZZI'S OMISSIONS FROM JOHNSON'S LETTERS TO THRALES (1946)
    Oxford : Periodicals Archive Online (PAO)
    Review of English studies. 22 (1946) 17 
    Details
    ISSN: 0034-6551
    Topics: English, American Studies
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:0091-1945-022-00-000014
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  • 14
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    Mrs. Thrale's Letters to Johnson published by Mrs. Piozzi in 1788 (1948)
    Oxford : Periodicals Archive Online (PAO)
    Review of English studies. 24 (1948) 58 
    Details
    ISSN: 0034-6551
    Topics: English, American Studies
    Notes: NOTES AND OBSERVATIONS
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:0091-1947-024-00-000028
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  • 15
    Electronic Resource
    Electronic Resource
    A Simple Form of Tide Predictor (1903)
    [s.l.] : Nature Publishing Group
    Nature 68 (1903), S. 322-322 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR the past four years a very simple form of tide-predicting machine, the invention of Captain A. Inglis, the harbour-master, has been in use at Port Adelaide for the construction of the yearly published tide tables. The tides at Port Adelaide are rather peculiar in their behaviour, this being ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/068322a0
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  • 16
    Electronic Resource
    Electronic Resource
    Tides at Port Darwin (1903)
    [s.l.] : Nature Publishing Group
    Nature 68 (1903), S. 295-295 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALONG the north-west coast of Australia the tidal wave, flowing in from the Indian Ocean, produces at most places a large rise and fall. At Port Darwin the mean spring range is about 24 feet, but the range is sometimes as much as 30 feet. A tide gauge of Lord Kelvin's pattern was set up here by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/068295b0
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  • 17
    Electronic Resource
    Electronic Resource
    Trace enrichment of cytokinins from Douglas-fir xylem extrudate (1976)
    Springer
    Planta 131 (1976), S. 271-274 
    Details
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Quantitative trace-enrichment of cytokinins from a plant source (xylem sap from the Douglasfir, Pseudotsuga menziesii (Mirb.) Franco) has been achieved by adsorption onto octadecyl-silica columns followed by elution with ethanol. Adsorption is rapid and efficient and allows complete recovery of cytokinins at the nanomolar level. Douglas-fir sap contains at least four compounds having cytokinin activity, one of which co-elutes with zeatin and another with ribosylzeatin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00385425
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  • 18
    Electronic Resource
    Electronic Resource
    Ulcerative colitis in association with Takayasu's disease (1978)
    Springer
    Digestive diseases and sciences 23 (1978), S. 660-662 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01072601
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  • 19
    Electronic Resource
    Electronic Resource
    Hepatic iron stores and markers of iron overload in alcoholics and patients with idiopathic hemochromatosis (1982)
    Springer
    Digestive diseases and sciences 27 (1982), S. 909-916 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Liver iron concentrations were determined in 60 alcoholics with liver disease of varying severity, 15 patients with untreated idiopathic hemochromatosis, and 16 control subjects with biliary tract disease. Mean liver iron concentrations (μg/100 mg dry weight) were significantly greater in the alcoholics (156.4±7.8 (sem);P〈0.05) and in patients with idiopathic hemochromatosis (2094.5±230.7;P〈0.01) than in control subjects (53.0±7.0). Liver iron concentrations of 〉140 μg/100 mg were found in 17 alcoholics (29%) and in all 15 patients with idiopathic hemochromatosis. Liver iron concentrations 〉1000 μg/100 mg were found in all patients with idiopathic hemochromatosis but in none of the alcoholics. In the alcoholics no relationship existed between liver iron concentrations and the amount of alcohol consumed daily, the length of the drinking history, the amount of beverage iron consumed daily, or the severity of the liver disease. Serum ferritin concentrations reflected iron stores in patients with hemochromatosis and in alcoholics with minimal liver disease. However, in alcoholics with significant liver disease serum ferritin concentrations did not reflect iron stores accurately, although with normal values iron overload is unlikely. Serum iron concentration and percentage saturation of total iron-binding capacity were of little value in assessing iron status in either alcoholics or patients with hemochromatosis. Measurement of the liver iron concentration clearly differentiates between alcoholics with significant siderosis and patients with idiopathic hemochromatosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01316575
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  • 20
    Electronic Resource
    Electronic Resource
    Serum ferritin and binding of serum ferritin to concanavalin A as a tumor marker in patients with primary liver cell cancer and chronic liver disease (1982)
    Springer
    Digestive diseases and sciences 27 (1982), S. 111-116 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Total ferritin concentration was measured in sera of 30 patients with primary liver cell cancer (PLCC) and 33 patients with cirrhosis and compared with serum alpha-fetoprotein levels as a diagnostic marker of PLCC. Serum ferritin concentration was raised in 19 patients (63%) with PLCC and 11 patients (33%) with cirrhosis. The median level was significantly higher (P〈0.001) in the PLCC group (560 μg/liter) than in the cirrhotic group (137 μg/liter), although there was considerable overlap. Serum ferritin was posititively correlated with serum aminotransferase levels in the cirrhotic patients (r=0.53,P〈0.001), reflecting hepatic necrosis, but not in the PLCC patients. The concentration of ferritin binding to concanavalin A was measured in the sera of patients with elevated total serum ferritin. Although the proportion of bound ferritin was decreased in the majority of PLCC sera compared to controls (P〈0.001), there was overlap with the cirrhotic group, making it unlikely that this assay is useful in distinguishing a tumor-specific isoferritin. Serum alpha-fetoprotein levels were elevated in 21 patients (70%) with PLCC and proved to be a highly sensitive and specific test for PLCC. There was no relationship between the alpha-fetoprotein and serum ferritin concentrations. Serum ferritin is inferior to alpha-fetoprotein as an initial screening test for PLCC, but in alpha-fetoprotein-negative patients serum ferritin may have a role in monitoring therapy. Patients with cirrhosis with normal serum alpha-fetoprotein and ferritin concentrations are very unlikely to have PLCC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01311703
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