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  • 1990-1994  (9)
  • 1945-1949
  • 1993  (9)
  • 1
    Electronic Resource
    Electronic Resource
    Marshall, Bruce D.: Theology and Dialogue: Essays in Conversation with George Lindbeck : Indiana, Notre Dame University Press, 1990 (1993)
    Cambridge : Cambridge University Press
    Scottish journal of theology 46 (1993), S. 542-544 
    Details
    ISSN: 0036-9306
    Source: Cambridge Journals Digital Archives
    Topics: Theology and Religious Studies
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0036930600045324
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  • 2
    Electronic Resource
    Electronic Resource
    Ten Questions for Psychoanalysis (1993)
    Cambridge : Cambridge University Press
    Philosophy 68 (1993), S. 183-192 
    Details
    ISSN: 0031-8191
    Source: Cambridge Journals Digital Archives
    Topics: Philosophy
    Notes: A psychoanalyst is said to provide the real explanation of a person's behaviour; an explanation which the person has arrived at with the help of a psychoanalyst. The person was not aware of the real character of his behaviour. It may have exhibited unconscious thoughts, beliefs, motives, intentions and emotions. In his paper ‘The Unconscious’, in Mind 1959, Ilham Dilman says, ‘What those who talked of “Freud's discovery of the unconscious” had in mind is a group of innovations which “the founder of psycho-analysis” brought to bear on the study of the human mind’ (p.446). I have ten questions concerning the relation of this ‘group of innovations’ to human behaviour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0031819100040237
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  • 3
    Electronic Resource
    Electronic Resource
    Can twin studies assess the genetic component in Type 2 (non-insulin-dependent) diabetes mellitus? (1993)
    Springer
    Diabetologia 36 (1993), S. 471-472 
    Details
    ISSN: 1432-0428
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402287
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Host-feeding and egg maturation byPachycrepoideus vindemiae (1993)
    Springer
    Entomologia experimentalis et applicata 69 (1993), S. 75-82 
    Details
    ISSN: 1570-7458
    Keywords: host feeding ; preference ; Pachycrepoideus vindemiae ; parasitoid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pachycrepoideus vindemiae Rondani (Hymenoptera: Pteromalidae) is a facultative hyperparasitoid ofDrosophila parasitoids in Europe. FemaleP. vindemiae host-feed from the same hosts into which they lay eggs and this enables them to mature additional eggs.P. vindemiae females were allowed to host-feed from puparia containingDrosophila melanogaster Meigen (Diptera: Drosophilidae) pupae or pupae ofAsobara tabida Nees (Hymenoptera: Braconidae). Wasps which had host-fed carried significantly more eggs; the species of host which was fed from had no significant effect on the number of mature eggs in the ovaries. Host-feeding caused no significant reduction in the size of the emerging offspring.P. vindemiae were allowed to forage over patches containing different frequencies of the two host species. No significant oviposition preference was found but there were marked host-feeding preferences which were affected by the age of the host pupae. It is suggested that these preferences were due to the physical nature of the hosts which were fed from.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02380676
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  • 5
    Electronic Resource
    Electronic Resource
    Occult node metastases in head and neck squamous carcinoma (1993)
    Springer
    European archives of oto-rhino-laryngology and head & neck 250 (1993), S. 446-449 
    Details
    ISSN: 1434-4726
    Keywords: Head and neck squamous carcinoma ; Occult cervical nodes ; Liverpool database
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present study examined the Liverpool database in an attempt to determine what proportion of N0 necks for various head and neck primary sites harbored subclinical squamous cell carcinoma and whether empiric treatment of occult disease improved survival over and above a “wait-and-watch policy” (treatment when metastasis becomes manifest). One hundred seventeen neck dissections were carried out for N0 necks, with 32% of specimens found to contain squamous cell carcinoma. The risk of carcinoma was highest in the hypopharynx, with 50% of specimens associated with a pyriform fossa primary cancer. Twenty-nine percent of neck dissection specimens for oral cavity cancer contained carcinoma and this was commonly associated with lateral border of tongue or anterior floor of mouth carcinomas. Twenty-five percent of specimens when primary tumor was in the oropharynx contained carcinoma and were due to tonsillar carcinoma. Twenty-one percent of laryngeal cancers produced histologically positive nodes and were mostly associated with posterior epiglottic tumors. Two hundred forty-six patients had a pyriform fossa cancer and of these only 37 had N0 disease and surgical treatment. Of these, 23 patients had radical neck dissections, whereas in 14 the necks were not treated. There was no difference in survival between the two groups (ξ1 2 = 0.787, P = NS). The Liverpool database also contained 1631 previously untreated patients with no clinical evidence of neck node metastases. Of these only 107 had a neck dissection. There was no difference in survival (ξ1 2 = 2.79, P = NS). When these data were analyzed by multivariate methods (Cox's proportional hazards model) prophylactic neck dissection was found to have no significant effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181087
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  • 6
    Electronic Resource
    Electronic Resource
    The effect of trends in tillage practices on erosion and carbon content of soils in the US corn belt (1993)
    Springer
    Water, air & soil pollution 70 (1993), S. 389-401 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The EPIC model was used to simulate soil erosion and soil C content at 100 randomly selected sites in the US corn belt. Four management scenarios were run for 100 years: (1) current mix of tillage practices maintained; (2) current trend of conversion to mulch-till and no-till maintained; (3) trend to increased no-till; (4) trend to increased no-till with addition of winter wheat cover crop. As expected, the three alternative scenarios resulted in substantial decreases in soil erosion compared to the current mix of tillage practices. C content of the top 15 cm of soil increased for the alternative scenarios, while remaining approximately constant for the current tillage mix. However, total soil C to a depth of 1 m from the original surface decreased for all scenarios except for the no-till plus winter wheat cover crop scenario. Extrapolated to the entire US corn belt, the model results suggest that, under the current mix of tillage practices, soils used for corn and/or soybean production will lose 3.2 × 106 tons of C per year for the next 100 years. About 21% of this loss will be C transported off-site by soil erosion; an unknown fraction of this C will be released to the atmosphere. For the base trend and increased no-till trend, these soils are projected to lose 2.2 × 106 t-C yr−1 and 1.0 × 106 t-C yr−1, respectively. Under the increased no-till plus cover crop scenario, these soils become a small sink of 0.1 × 106 t-C yr−1. Thus, a shift from current tillage practices to widespread use of no-till plus winter cover could conserve and sequester a total of 3.3 × 106 t-C yr−1 in the soil for the next 100 years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01105010
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  • 7
    Electronic Resource
    Electronic Resource
    Ontogenesis of intestine morphology and intestinal disaccharidases in chickens (Gallus gallus) fed contrasting purified diets (1993)
    Springer
    Journal of comparative physiology 163 (1993), S. 508-518 
    Details
    ISSN: 1432-136X
    Keywords: Allometry ; Disaccharidases ; Dietary Acclimation ; Symmorphosis ; Gallus gallus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Two groups of growing posthatching Cornish x Rock cross chickens were fed with either a carbohydrate-containing (52.5%) or a carbohydrate-free diet. At 36 days after hatching some of the chicks in each group were shifted to the opposite diet. Chickens fed on a carbohydrate-containing diet grew faster and achieved higher asymptotic masses than chickens fed on a carbohydrate-free diet. Chickens fed on a carbohydrate-free diet had longer intestines and larger intestinal areas than chickens of the same mass fed on a carbohydrate-containing diet. In both groups sucrase and maltase activity (standardized by either intestinal area or mass) increased from day 1 to approximately day 17. After day 17, chickens fed on a carbohydrate-containing diet exhibited 1.8 and 1.9 times higher sucrase and maltase activities per unit intestinal area, respectively, than chickens fed on a carbohydrate-free diet. Analysis of covariance was used to estimate the contribution of sucrase and the sucrase-independent maltases to maltase activity, and to estimate the effect of diet on the sucrase-independent maltases. Sucrase contributed 80% and 75% of the maltase activity in carbohydrate and carbohydrate-free fed chickens, respectively. Chickens shifted from a carbohydrate-free to a carbohydrate diet converged in gross intestinal morphology and intestinal sucrase and maltase levels with carbohydrate-fed chickens within 8 days. Chickens shifted from carbohydrate to carbohydrate-free diets, in contrast, did not show appreciable changes in intestinal length and after 8 days had not reduced levels of sucrase and maltase to those of chickens fed on the carbohydrate-free diet. A comparison of integrated maltase intestinal activity with published data on glucose uptake showed that the ratio of maltose hydrolysis to glucose uptake seemed to be about 7 and to remain relatively invariant during ontogeny. Because so little is known about the interaction between hydrolysis and uptake in vivo, it is difficult to determine if this relatively high ratio represents excess hydrolytic capacity or if it is needed to provide high lumenal glucose concentrations that maximize uptake.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00346936
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  • 8
    Electronic Resource
    Electronic Resource
    Extremely cold antiprotons for antihydrogen production (1993)
    Springer
    Hyperfine interactions 76 (1993), S. 81-93 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The possibility to produce, trap and study antihydrogen atoms rests upon the recent availability of extremely cold antiprotons in a Penning trap. Over the last five years, our TRAP Collaboration has slowed, cooled and stored antiprotons at energies 1010 lower than was previously possible. The storage time exceeds 3.4 months despite the extremely low energy, which corresponds to 4.2 K in temperature units. The first example of measurements which become possible with extremely cold antiprotons is a comparison of the antiproton inertial masses which shows they are the same to a fractional accuracy of 4×10−8. (This is 1000 times more accurate than previous comparisons and large additional increases in accuracy are anticipated.) To increase the number of trapped antiprotons available for antihydrogen production, we have demonstrated that we can accumulate or “stack” antiprotons cooled from successive pulsed injections into our trap.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02316708
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  • 9
    Electronic Resource
    Electronic Resource
    A single trapped antiproton and antiprotons for antihydrogen production (1993)
    Springer
    Hyperfine interactions 81 (1993), S. 5-14 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract During the last several years, our TRAP collaboration has pioneered techniques for slowing, trapping, cooling and indefinitely storing antiprotons to energies more than 1010 times lower than previously possible. The radio signal from a single trapped antiproton is now being used for precision measurements. Many cold antiprotons are “stacked” as another important step toward the eventual production of antihydrogen, and positrons have been trapped in vacuum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00567246
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