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Digitale Medien

The effect of high dose oxprenolol on stress-induced physical and psychophysiological variables (1979)

Farhoumand, N. ; Harrison, J. ; Pare, C. M. B. ; [weitere]

Springer

Psychopharmacology 64 (1979), S. 365-369

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Details

ISSN: 1432-2072

Schlagwort(e): Beta-adrenoceptor blockade ; CNS function tests

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Abstract The effects of oral oxprenolol (480 mg) and lorazepam (2 mg) on skin conductance, reaction time, critical flicker frequency and self-rating visual analogue scales for anxiety, sedation and concentration were investigated in 6 healthy male volunteers. Oxprenolol exerted a central action similar to lorazepam as shown by a significant lowering of skin conductance and decrease in the number of spontaneous fluctuations during stress, impaired critical flicker frequency and decrease in alertness with reduced concentration.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00427526

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Digitale Medien

A Rapid, Accurate Technique for Determining Densities of High Explosives (1977)

Lagus, P. L. ; Turner, P. L. ; Gaffney, E. S.

Weinheim : Wiley-Blackwell

Propellants, Explosives, Pyrotechnics 2 (1977), S. 81-84

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Details

ISSN: 0721-3115

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: An improved gas comparison pycnometer has been developed, based on precise differential pressure measurements coupled with a sample volume compensator. Using helium gas, volumes of solid and powdered explosives can be measured to a precision approaching one part in lo4. Coupled with a precise mass measurement, these volumes allow densities with an uncertainty of ∼± 0.002 g/ml to be inferred. Measurements performed on various explosives have allowed assessment of the purity and homogeneity of individual samples. It is also possible to infer void percentage or porosity in pressed explosive pellets.

Zusätzliches Material: 2 Ill.