Bibliothek

feed icon rss

Ihre E-Mail wurde erfolgreich gesendet. Bitte prüfen Sie Ihren Maileingang.

Leider ist ein Fehler beim E-Mail-Versand aufgetreten. Bitte versuchen Sie es erneut.

Vorgang fortführen?

Exportieren
Filter
  • 1990-1994  (3)
  • Blood vessels  (1)
  • High speed analysis  (1)
  • Many-body perturbation theory  (1)
Materialart
Erscheinungszeitraum
  • 1990-1994  (3)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Surgical and radiologic anatomy 12 (1990), S. 241-246 
    ISSN: 1279-8517
    Schlagwort(e): Palm of the hand ; Blood supply ; Blood vessels ; Reimplantation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Résumé Trente membres supérieurs de sujets adultes ont été étudiés. Les vaisseaux sanguins de la main ont été analysés sur des angiographies, des coupes anatomiques et des dissections sous microscope. Les artères de la paume sont disposées en trois plans dans la partie moyenne, alors que dans les segments sous-jacents, elles sont disposées en deux plans seulement. La disposition des territoires dépendant des aa. radiale et ulnaire n'est pas la même dans chaque plan. Il existe trois voies anastomotiques entre les aa. radiale et ulnaire dans le sens paume-dos de la main. Les possibilités de réimplantation après amputation transpalmaire ont été envisagées grâce à l'étude dynamique de la circulation, à des coupes et à l'analyse des anastomoses artérielles entre ces trois plans.
    Notizen: Summary Thirty adult upper extremities were used to study the blood vessels of the hand by angiography, cross-sectional measurement and operative microscopic dissection. The arteries in the middle segment of the palm are arranged in three planes, while in the upper or lower segment there are two planes only. The division of the territories of the radial and ulnar arteries are not same in the three different layers. There are three main anastomotic pathways between the radial and ulnar arteries in the radial-ulnar direction, while in the palmar-dorsal direction there are three anastomotic zones between the palmar and dorsal planes. According to the rate of appearance, sources, cross-sectional area, irrigation territories and anastomoses of the arteries in the three segments, the clinical significance in the reimplantation of the amputated hand through the palm has been discussed.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical chemistry accounts 80 (1991), S. 307-319 
    ISSN: 1432-2234
    Schlagwort(e): Many-body perturbation theory ; Coupled-cluster approach ; Frequency-dependent polarizabilities ; Atomic helium
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary A time-dependent coupled-cluster approach may be employed to describe dynamic processes of many-electron systems. Atomic properties, such as the frequency-dependent polarizability, can be treated as a response of the system described by the coupled-cluster expansion to an external radiation field. The major difficulty in the realization of such a formalism is to deal with dynamic pair functions. The procedure reported here is to simplify the full set of single- and pair-excitation expansion equations to a subset of equations which includes polarization and relaxation effects to all orders and is solved by using a complete set of discrete basis functions. Calculations of excitation energies and frequency-dependent electric dipole polarizabilities for helium are presented. Application of the procedure to calculate photoionization cross sections is discussed.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    ISSN: 1612-1112
    Schlagwort(e): Supercritical fluid chromatography ; Gas chromatography ; High speed analysis ; Thermal desorption ; Two dimensional analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary A two-dimensional supercritical fluid-gas chromatography system was constructed and evaluated. A 50-μm i.d. capillary column coated with a 50 % cyanopropyl polysilixane stationary phase was used as the firstdimensional column. Group-type separations of polycyclic aromatic hydrocarbons, based on the number of aromatic rings, were achieved using this column under SFC conditions. A 25-μm i.d. liquid crystal column was used as the second-dimensional column under GC conditions. The effluent from the first column (SFC) was received continuously by the second column (GC) through a thermal desorption modulator. The thermal desorption modulator (prepared at the head of the second column) generated a series of concentration pulses from the first column effluent. These concentration pulses served as injections to the second column, and were developed into a corresponding series of high-speed chromatograms. Grouptype sample bands from the first column were separated into individual components on the second column. All sample substances passed through both columns to generate two sets of retention data, which could be used for more accurate compound identification.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
Schließen ⊗
Diese Webseite nutzt Cookies und das Analyse-Tool Matomo. Weitere Informationen finden Sie hier...