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  • 1
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Energy dispersive x-ray spectroscopy of Kα transitions of neon and chlorine ions inside an electron cyclotron resonance (ECR) plasma is used to analyze the ion charge state distribution (CSD) inside the plasma. Basing on a computer code describing time dependent and stationary solutions of the balance equations for the CSD in ECR plasmas (considering single and multiple ionization and charge exchange processes, radiative recombination, vacancy cascades, and electron shake-off) and considering atomic properties (fluorescence yields, transition rates, x-ray energy shifts, x-ray production cross sections) of ions with different charge states, an approximation of simulated x-ray spectra to measured ones is possible. Thus the result we get is the corresponding CSD and information about the electron energy distribution function in the low energy region in the plasma. © 1998 American Institute of Physics.
    Materialart: Digitale Medien
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  • 2
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Wavelength dispersive x-ray measurements on cobalt and krypton ions were presented to determine the ion charge state distribution (CSD) inside the electron cyclotron resonance (ECR) plasma of the 14.5 GHz ECR ion source of the TU Dresden. For clearly from the parent diagram lines separating x-ray satellites a comparison between calculated wavelength shifts and measured ones allows it to deduce the ion CSD of the analyzed ions. In the case of small line shifts (lower ionization states) a comparison with x-ray spectra derived from plasma modeling is done. By approximating the modeled spectra to the measured ones a most probable ion CSD was derived. © 1998 American Institute of Physics.
    Materialart: Digitale Medien
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  • 3
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Energy dispersive x-ray spectroscopy of Kα transitions of neon and chlorine ions inside an electron cyclotron resonance (ECR) plasma is used to analyze the ion charge state distribution (CSD) inside the plasma. Basing on a computer code describing time dependent and stationary solutions of the balance equations for the CSD in ECR plasmas (considering single and multiple ionization and charge exchange processes, radiative recombination, vacancy cascades, and electron shake-off) and considering atomic properties (fluorescence yields, transition rates, x-ray energy shifts, x-ray production cross sections) of ions with different charge states, an approximation of simulated x-ray spectra to measured ones is possible. Thus the result we get is the corresponding CSD and information about the electron energy distribution function in the low energy region in the plasma. © 1998 American Institute of Physics.
    Materialart: Digitale Medien
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  • 4
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Archaeological dialogues 3 (1996), S. 26-29 
    ISSN: 1380-2038
    Quelle: Cambridge Journals Digital Archives
    Thema: Klassische Archäologie
    Notizen: Thomas' paper and manuscript are ambitious. He aims at nothing less than opening up for discussion fundamental concepts which have informed archaeological writings to date. While in principal laudable and exciting, the chosen concepts – time, culture and identity – are broad, each one on its own of daunting complexity. The vastness of the project is handled by setting up an opposition at the outset between the Cartesian and modernist reading of these concepts adopted by archaeology and an anti-Cartesian and anti-modernist reading facilitated by Heidegger. At issue is less the validity of Heidegger's writings or their deployment in contemporary theory-making, a fact which the author is at pains to defend, though leaving the novice at pains guessing what his writings are actually about; at issue is whether the future of archaeology should rest on developing an anti-Cartesian theory in the first place. The mind/body dualism associated with Descartes has been the subject of much critical work, so much so that it seems at best unnecessary to have to revive Heidegger to give Cartesianism the final blow. One may further question the opposition itself; is it not Kant who is the foundation of post-Enlightenment thought, rather than Descartes, and would thus not his writings be the point of departure for any rethinking of theoretical assumptions that may have guided archaeological theory and practice? A third reservation may be voiced about the validity of the interpretative approach itself; it rests on the assumption, also known as the logocentric paradigm, which holds that a relation exists between an object or image and a narrative description of it which is ‘found’ outside the object and thus may vary according to the context in which the object is seen. The most serious criticism to this assumption is that it ignores the immediacy of understanding which allows images to play a fundamental role in social transmission. Thomas' use of Heidegger's notion of Being appears to strive towards precisely such an immediacy of understanding, yet fails to do so by leaving accounted for the materiality of images. In advocating the interpretative approach, Thomas sets out less a new direction for archaeological theory than captures post-modernist writing which dominated across disciplines for the past decade and left a whole generation of scholars trained during this period ill-equipped to deal with artefacts in more than an exemplary manner. In the late 90s, however, due to advances in cognitive psychology and our day to day experience with cyberspace, this neglect of the image, material and conceptual, and its role in transmission has become glaringly obvious and unacceptable. Critical in their inception, however, paper and manuscript are intently thought provoking, stimulating and timely in calling for a rethinking of archaeological theory to accommodate the contemporary perception of material things. In my discussion I aim to both paraphrase the main points of Thomas's paper and manuscript and to offer comments and questions.
    Materialart: Digitale Medien
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  • 5
    ISSN: 1540-8183
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: The Comparison of Balloon versus Rotational Angioplasty (COBRA) study is a prospective, randomized study to compare short- and long-term effects of PTCA and high speed PTCRA (or rotablation) in patients with complex coronary stenoses. Patients with angiographically defined complex coronary stenoses (〉 70% diameter reduction) are included in the study. The trial has recruited 501 patients who will have detailed follow-up for 6 months. The primary end points are: (1) procedural success, defined as angiographically proven residual stenoses 〈 50% and stenosis reduction of ± 20% in absence of new myocardial infarction, emergency CABG, or death; (2) 6-month restenosis in the treated segment; and (3) major cardiac events during the follow-up period. Additionally, improved exercise tolerance will be scored. The final results of the study are expected by late 1997.
    Materialart: Digitale Medien
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  • 6
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 137 (1997), S. 0 
    ISSN: 1365-2133
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Summary We report three cases of acute generalized exanthematous pustulosis (AGEP) following oral administration of nystatin. All cases showed similar clinical features and hislopathological findings, and a delnyed-type hypersensitivily to nystatin could be demonstrated in patch and prick testing. Drug eruptions to nystatin are extremely rare, and, to our knowledge, AGEP has not been reported previously.
    Materialart: Digitale Medien
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  • 7
    ISSN: 1432-2323
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Quality of life (QOL) in patients with gastric cancer who underwent total gastrectomy has so far not been studied using the EORTC QLQ-C30 (Quality of Life Core Questionnaire of the European Organization for Research and Treatment of Cancer) as a standardized European QOL instrument. The aim of this study was to evaluate the effect of radical procedures such as extensive lymph node resection and combined resection of adjacent organs on patients' QOL. From 1992 to 1996, 152 patients underwent total gastrectomy. All patients alive on July 1, 1996 were included in the study (77/152). For assessing QOL, the EORTC QOL questionnaire QLQ-C30 version 2.0 and a validated gastric cancer module were sent home to the patients for self-completion. The response rate was 91%. It was possible to evaluate the questionnaires of 62 patients who had undergone resection with curative intent including 13 extended gastrectomies (21%). Of the 62 resections, 50 were combined with D2 lymphadenectomy (80.6%). The global health status was not negatively influenced by D2 lymphadenectomy and extended gastrectomy. Patients with splenectomy were more affected by treatment than patients without splenectomy. Radical gastrectomy combined with D2 lymphadenectomy is the treatment of choice for gastric cancer patients, concerning not just survival but QOL as well.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 239-241 (Nov. 1996), p. 349-352 
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 379 (1996), S. 294-294 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - Research in biochemical sciences in Austria was recently evaluated by a dozen colleagues from different countries selected by the European Molecular Biology Organisation (EMBO) (see Nature 377, 468; 1995). These experts took on a formidable task and produced an objective and balanced review. ...
    Materialart: Digitale Medien
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  • 10
    ISSN: 1432-1173
    Schlagwort(e): Schlüsselwörter Desmoplastisches malignes Melanom ; Neurotropes Melanom ; Key words Desmoplastic malignant melanoma ; Neurotropic melanoma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Summary Clinical and histopathological findings of 34 cases of desmoplastic malignant melanoma (DMM) are summarized and compared to the literature. DMM develop mostly in sun damaged skin of elderly patients, they are rare and often nonpigmented tumors that are difficult to diagnose clinically. In all cases the tumor parameters showed level IV or V melanomas (level IV: 55,9%, level IV–V: 14.7%, level V: 29,4%) and the tumor thickness measured 3,85 mm±2,31 mm (1,0–11,0 mm). In 22 cases, the follow-up time was between 2 and 7 years. Local recurrences were observed in 7 (=31,8%) patients, metastases in 4 (=18,2%) and tumor-related deaths in 3. The prognosis for our patients seems to be slightly better than that described in the literature. The main reason is an improved histological diagnosis of this special type of melanoma. Using immunohistochemical staining with anti-S100 antibody it is possible to establish the melanocytic nature of these fibrotic spindle cell tumors earlier that is, in small initial biopsies, and tumor margins can be defined more accurately. As a consequence, surgery is done earlier and is more likely to be curative.
    Notizen: Zusammenfassung Klinische und histologische Befunde von 34 desmoplastischen malignen Melanomen (DMM) werden zusammenfassend dargestellt und mit der Literatur verglichen. DMM treten als seltene, zumeist nicht pigmentierte Melanome in lichtgeschädigter Haut älterer Patienten auf und werden klinisch kaum diagnostiziert. Regelmäßig findet sich ein Clark-Level IV oder V (Level IV: 55,9%, Level IV–V: 14,7%, Level V: 29,4%), und die mittlere Tumordicke beträgt im Kollektiv 3,85±2,31 mm (1,0–11,0 mm). Bei 22 Patienten lag eine dokumentierte Nachbeobachtungszeit zwischen 2 und 7 Jahren vor. 68,2% der Patienten weisen eine Nachbeobachtungszeit von 3 und mehr Jahren auf. Lokalrezidive wurden im Kollektiv bei 7 (=31,8%) Patienten beobachtet, Metastasen bei 4 (=18,2%) Patienten. Drei Patienten verstarben am Tumorleiden. Vergleicht man die vorliegenden Verlaufsdaten mit der Literatur, deutet sich eine etwas günstigere Prognose an. Ursächlich ist eine verbesserte feingewebliche Diagnostik dieser Melanome. Insbesondere durch den Einsatz des S-100-Antikörpers gelingt es, die melanozytäre Natur des fibrotisch-desmoplastischen Tumors frühzeitig bei der ersten Biopsie festzustellen. Die Tumorausdehnung kann exakt bestimmt werden und ermöglicht eine angemessene radikale chirurgische Sanierung.
    Materialart: Digitale Medien
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