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  • 1
    ISSN: 0003-2670
    Keywords: Beer ; Flow injection ; Fruit juice ; PAHBAH ; Reducing sugars ; Sugars ; Wine
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1963
    Keywords: Schlüsselwörter Normales Hirngewicht ; Erwachsene ; Alter ; Geschlecht ; Körpergröße ; Gewicht ; Key words Normal brain weight ; Adults ; Age ; Sex ; Height ; Weight
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Based on more than 8000 autopsies of male and female patients without brain diseases the normal brain weight of adult males and females in relation to sex, age, body-weight, and body-height as well as Body Mass Index were calculated. The average brain weight of the adult male was 1336 gr; for the adult female 1198 gr. With increasing age, brain weight decreases by 2.7 gr in males, and by 2.2 gr in females per year. Per centimeter body height brain weight increases independent of sex by an average of about 3.7 gr. Body Mass Index is of minor importance and only relevant in males. Based on these data the independent variables, age and height, were for the first time combined in a nomogram for the calculation of brain weight. The mathematical functions were integrated in a computer program which facilitates the calculation of normal brain weights in individual cases.
    Notes: Zusammenfassung Anhand von über 8000 Autopsien von Patienten ohne Hirnkrankheiten wurden die Normgewichte der Gehirne für Männer und Frauen in Abhängigkeit von Alter, Körpergröße, Gewicht und Body Mass Index berechnet. Das Hirngewicht des erwachsenen Mannes beträgt im Durchschnitt 1336 g, das der erwachsenen Frau 1198 g. Pro Altersjahr nimmt das Hirngewicht beim Mann um ca. 2,7 g, bei der Frau um ca. 2,2 g ab. Pro cm Körpergröße nimmt das Hirngewicht bei beiden Geschlechtern um ca. 3,7 g zu. Den geringsten Einfluß auf das Hirngewicht hat der Body Mass Index, der praktisch nur bei Männern bedeutsam ist. Aus den unabhängigen Variablen, Alter und Körpergröße, wurde erstmals ein Nomogramm für das zu erwartende Hirngewicht konstruiert. Gleichzeitig wurden die Funktionen unter Berücksichtigung der wichtigsten Einflußgrößen in ein Computerprogramm integriert, das die Normgewichte errechnet und quantitative Aussagen über die Abweichung des Hirngewichts von der Norm im Einzelfall erlaubt.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0630
    Keywords: 79.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Strained layer GaAs.95P.05 photo cathodes are presented, which emit electron beams spinpolarized to a degree of P = 75% typically. Quantum yields around QE = 0.4% are observed routinely. The figure of merit P2 × QE = 2.3 × 10−3 is comparable to that of the best strained layer cathodes reported in literature. The optimum wavelength of irradiating light around 830 nm is in convenient reach of Ti:sapphire lasers or diode lasers respectively. The cathodes are produced using MOCVD-techniques. A GaAs.55P.45-GaAs.85P.15 superlattice structure prevents the migration of dislocations from the substrate and bottom layers to the strained overlayer. The surface is protected by an arsenic layer so that no chemical cleaning is necessary before installation into vacuum. The source of polarized electrons attached to the Mainz race track microtron MAMI works with such cathodes now. More than 1000 hours beamtime have been performed successfully.
    Type of Medium: Electronic Resource
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