Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1965-1969  (23)
  • 1969  (11)
  • 1967  (12)
Material
Years
  • 1965-1969  (23)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 16 (1969), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— 〈list xml:id="l1" style="custom"〉1Breathing oxygen (1 atm.) for 2 hr increased the glycogen content of the rat brain from 3·38 to 4·35 μmoles glucosyl residues/g wet wt. At the same time the glucose and lactate concentrations were significantly decreased.2Both under normal conditions and when breathing oxygen, the sum (glycogen + glucose) × 2 + lactate, with which the balance of carbohydrate breakdown and lactate formation was assessed, was 13·5 μmoles/g wet wt.2Oxygen breathing effected a significant decrease in this sum after an ischaemic period of 1–15 min. In the control group breathing normal air, the sum, after all periods of ischaemia, ranged from 98 to 106 per cent of the starting value.3An increased partial pressure of oxygen did not change the breakdown rate of the high-energy phosphate compounds. This result was not consistent with an oxidation of the carbohydrates which were missing in the balance. It is probable that other metabolites, which were not tested for, accumulated.50 We failed to find any indication of storage of oxygen which the ischaemic brain could use for oxidative energy production.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 56 (1969), S. 644-644 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 56 (1969), S. 272-277 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical chemistry accounts 14 (1969), S. 263-272 
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es werden alle Integrale angegeben, die sich im Rahmen der quantenchemischen Rechnungen bei Verwendung von elliptischen Gaußfunktionen ergeben. Es zeigt sich dabei, daß die Integrationen ähnlich verlaufen wie bei den reinen Gaußfunktionen, die bisher verwendet wurden.
    Abstract: Résumé Toutes les intégrales d'un calcul de chimie quantique sont exprimées au moyen de fonctions gaussiennes elliptiques. La technique d'intégration est semblable à celle utilisée jusqu'à présent pour les fonctions gaussiennes pures.
    Notes: Abstract All integrals which result from quantum chemical calculations are given by means of elliptical Gaussian functions. The technique of integration is similar to that of the pure Gaussian functions which have been used up to now.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 1 (1967), S. 349-355 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The C5H5- ion has been investigated ab initio in the equilibrium distance of the centers, taking all 36 electrons into account, using the Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. A total energy of -189.42 a.u. and an ionization energy (electron affinity of C5H5) of 0.9 eV were found. A most significant result is that one π orbital is more strongly binding than four σ orbitals.
    Abstract: On présente un calcul ab initio de la molécule C5H5- pour la distance à l'équilibre des noyaux, basé sur Allgemeines Programmsystem/SCF-MO-LC (LCGO) Methode. Tous les 36 électrons ont été considérés. On trouve pour l'énergie totale -189.42 u.a. et pour l'énergie d'ionisation (l'affinité électronique de C5H5) 0.9 eV. L'une des orbitales π est plus liante que quatre des orbitales σ.
    Notes: Das C5H5- wird im Gleichgewichtsabstand der Zentren unter Berücksichtigung aller 36 Elektronen ab initio mit Hilfe des Allgemeinen Programmsystems/SCF—MO—LC(LCGO) Methode berechnet. Es ergibt sich eine Gesamtenergie von -189,42 a.E. Die Ionisierungsenergie (Elektronenaffinität des C5H5) beträgt 0,9 eV. Bei den Einteilchenenergien sind in energetischer Folge den π-Zuständen σ-Zustände eingelagert.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 7
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 1 (1967), S. 357-359 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The C6H6 has been investigated ab initio for the equilibrium distance of the centers, taking into account all 42 electrons, using the Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. A total energy of -227.27 a.u. and an ionization energy of 8.5 eV were found. Further one of the π orbitals was more strongly binding than some of the σ orbitals.
    Abstract: On présente un calcul ab initio de la molécule C6H6 pour la distance à l'équilibre des noyaux, basé sur Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. Tous les 42 électrons on été considérés. On trouve pour l'énergie totale -227.27 u.a. et pour l'énergie d'ionisation 8.5 eV. L'une des orbitales σ est plus liante que quelques-unes des orbitales π.
    Notes: Das C6H6 wurde im Gleichgewichtsabstand der Zentren unter Berücksichtigung aller 42 Elektronen ab initio mit dem Allgemeinen Programmsystem/SCF—MO—LC(LCGO) Methode berechnet. Es ergab sich eine Gesamtenergie von -227.27 a.E. und eine Ionisierungsenergie von 8.5 eV. Ferner wurde gefunden, dass den Einelektronen π-Zuständen in energetischer Reihenfolge σ-Zustände eingelagert sind.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 1 (1967), S. 361-364 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The C3H6 has been investigated ab initio, taking all 24 electrons into account, using the Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. Variation of the C—C distance gives a total energy of -116.02 a.u. at a C—C distance of 2.91 a.u. The ionization energy was found to be 10.33 eV.
    Abstract: On présente un calcul ab initio de la molécule C3H6 basé sur Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. Tous les 24 électrons on été considérés. Variant la distance C—C on obtient l'énergie totale -116.02 u.a. pour la distance C—C 2.91 u.a. L'énergie d'ionisation correspondante est 10.33 eV.
    Notes: Das C3H6 wurde unter Berücksichtigung aller 24 Elektronen ab initio mit dem Allgemeinen Programmsystem/SCF—MO—LC(LCGO) Methode berechnet. Es ergab sich nach Variation des C—C Abstandes ein Minimum der Gesamtenergie von -116.02 a.E. bei einem C—C Abstand von 2.91 a.E. Die Ionisierungsenergie wurde zu 10.33 eV bestimmt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 9
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 1 (1967), S. 365-368 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The C2H4 was investigated ab initio for the equilibrium distance of the centers, taking all 16 electrons into account, using the Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. A total energy of -76.77 a.u. and an ionization energy of 10.55 eV were found.
    Abstract: On présente un calcul ab initio de la molécule C2H4 pour la distance à l'équilibre des noyaux, basé sur Allgemeines Programmsystem/SCF—MO—LC(LCGO) Methode. Tous les 16 électrons ont été considérés. On trouve, pour l'énergie totale -76.77 u.a. et pour l'énergie d'ionisation 10.55 eV.
    Notes: Das C2H4 wird im Gleichgewichtsabstand der Zentren unter Berücksichtigung aller 16 Elektronen ab initio unter Verwendung des Allgemeinen Programmsystem/SCF—MO—LC(LCGO) Methode berechnet. Es ergibt sich eine Gesamtenergie von -76.77 a.E. Die Ionisierungs-energie beträgt dabei 10.55 eV.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 10
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 1 (1967), S. 369-372 
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Using the results of ab initio calculations, by comparison of the “1s orbital energies” of the C atom in the compounds C6H6, C5H5-, C3H6 (cyclopropane), C2H4 as well as at the C atom itself the bond electrons were found to have a significant influence on the inner electrons. The reason for this is pointed out and an explanation is given. The connection between the bonding and this “1s orbital energy” change as well as the importance of this result for quantum-chemical “models” is discussed.
    Abstract: On compare les énergies des orbitales 1s de l'atome C libre et de l'atome C dans C6H6, C5H5-, C3H6 (cyclopropane), C2H4. On trouve une influence significative des électrons de valence sur les électrons de la couche intérieure. On discute la raison de cette influence et ses conséquences pour les modèles de la chimie quantique.
    Notes: Durch Vergleichen der “1s-Einteilchenenergien” an den C Atomen in den Verbindungen C6H6, C5H5-, C3H6 (Cyclopropan), C2H4 sowie am freien C Atom wird im Rahmen von ab initio - Rechnungen gezeigt, dass die inneren Elektronen von den Bindungsvorgängen wesentlich beeinflusst sind. Die Ursachen werden diskutiert und eine Erklärung dafür angegeben. Der Zusammenhang dieser Energieänderungen mit den Bindungsverhältnissen, sowie die Bedeutung dieser Tatsache für gewisse Modellvorstellungen werden besprochen.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...