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
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 50 (1990), S. 379-384 
    ISSN: 1432-0630
    Keywords: 72.40.+w ; 85.60.Gz
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract This paper considers the Hg1−x Zn x Te alloy system as a potential material for the fabrication of infrared photodiodes. The influence of different junction current components (diffusion, tunneling and depletion layer currents) on the R 0 A product of n+-pHg1−x Zn x Te photodiodes is analysed. The upper theoretical limits of the R 0 A product and detectivity are determined. Results of calculations are compared with experimental data reported by other authors and those measured in our laboratory. Preliminary results on related technology and the properties of Hg1−x Zn x Te prepared by the ion-etching technique are presented.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 57 (1985), S. 57-69 
    ISSN: 1432-1246
    Keywords: Styrene ; Mandelic acid ; Phenylglyoxylic acid ; Inhalation exposure ; Exposure test
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Volunteers (six men and one woman) were exposed by inhalation to styrene within the concentration range of 20 to 200 mg/m3. The average retention of styrene vapours in the respiratory tract was 71%. The yield of styrene metabolism measured within 24 h was 39 and 17% for mandelic acid and phenylglyoxylic acid, respectively. The determination of mandelic acid in urine collected immediately after the exposure was applied as exposure test. The excretion rate of this metabolite assured the best correlation with the absorbed dose. The relative standard deviations of the test related to acutal dose level vary, depending on the analysed concentration range, from 0.21 to 0.33. Quantitative interpretation of the test is possible for styrene concentrations in the air exceeding 20 mg/m3. The concentration amounting to 100 mg/m3 (TI-V) corresponds with the mandelic acid excretion rate of 15 mg per hour.
    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...