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  • Chemistry  (14)
  • Engineering General  (4)
  • Analytical Chemistry and Spectroscopy  (2)
  • Computed tomography  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 361 (1983), S. 755-756 
    ISSN: 1435-2451
    Keywords: Thymoma ; Thymushyperplasia ; Computed tomography ; Thymom ; Thymushyperplasie ; Computertomographie.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In der Diagnostik mediastinaler Tumoren spielt die thorakale Computertomographie mit der Differenzierungsmöglichkeit zwischen retrostemalem Fett, Thymusgewebe und Thymom eine zentrale Rolle. Wegen der Übersichtlichkeit und Radikalität bei der Entfernung eines Thymoms aber auch der zu fordernden ausgedehnten Thymektomie im Falle der Thymushyperplasie ist die mediane Sternotomie operativer Zugangsweg der Wahl. Für die Prognose ist der intraoperative Nachweis von invasivem Wachstum von entscheidender Bedeutung.
    Notes: Summary Computed axial tomography plays an essential role in the diagnosis of mediastinal tumors. It can differentiate between retrosternal fat, thymic tissue and thymoma. A median stemotomy is the operative approach of choice. It provides optimal access to the mediastinum which is a prerequisite in the radical removal of a thymoma as well as in the surgical treatment of thymus hyperplasia which we believe has to be treated by radical thymectomy. The prognosis mainly depends on whether invasion of adjacent structures was present at the time of operation or not.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 361 (1983), S. 913-913 
    ISSN: 1435-2451
    Keywords: Myastenia gravis ; Thymectomy ; Computed tomography ; Myasthenia gravis ; Thymektomie ; Computertomographie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Patienten mit Myastenia gravis wird die Häufigkeit einer Thymushyperplasie mit 65%, von Thymustumoren mit 8–28% angegeben. Da sich selbst ein eindeutig veränderter Thymus dem klinischen Nachweis entziehen kann, hat die thorakale Computertomographie einen hohen diagnostischen Stellenwert. Die Indikation zur Thymektomie besteht bei erwachsenen Myastheniepatienten im computertomographischen Nachweis von Thymusgewebe. Für die zu fordernde komplette Entfernung des Thymusgewebes bevorzugen wir die mediane Sternotomie. Neurologische Nachbehandlung ist notwendig.
    Notes: Summary Among patients suffering from myasthenia gravis, thymic hyperplasia can be found in 65% and a tumor in 8%–28%. Clinical diagnosis can be difficult. Therefore, computed axial tomography is of great diagnostic importance. There is increasing evidence that a thymectomy should always be performed if thymic tissue can be shown by CAT scan to be present in the anterior mediastinum. As operative treatment we prefer a median sternotomy, which makes it easier to remove the thymus completely. Postoperatively the patients should be under neurological surveillance.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 29 (1995), S. 337-337 
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 11 (1875), S. 57-63 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 63 (1951), S. 28-28 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 36 (1993), S. 3019-3039 
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: In engineering applications often problems with symmetric system and symmetric loading occur. It is well known that these symmetry conditions can be used to reduce the computational effort. Thus, only a symmetric reduced system is treated with sufficient boundary and loading conditions. Especially for non-linear problems this procedure is very effective. Such a strategy allows the computation of solution paths with the constraint that the solution has to be symmetric. Consequently in a stability analysis, only limit points and bifurcation points with associated symmetrical eigenvectors can be found. Often the stability behaviour is dominated by symmetry-breaking bifurcation points which cannot be detected considering only the tangent stiffness matrix of the reduced system. Hence, in case of stability considerations a calculation of the complete system is necessary. This paper introduces a special form of stability analysis of the complete system using only certain matrices known from the symmetric reduced system, and some transformations concerning the topology of the total system. The proposed methods base on a substructure technique for symmetry under reflections and rotations, and are formulated for the finite element method. Numerical examples are given to show the efficiency of the proposed procedures and algorithms.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 36 (1923), S. 19-20 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 44 (1972), S. 600-600 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1100-1101 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 70 (1998), S. 1198-1199 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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