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  • 1
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 99 (1993), S. 4225-4226 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: An exact expression for entropy of simple fluids in terms of the pair correlation functions is derived assuming the known form of the bridge functional. The Martynov–Sarkisov closure of the Ornstein–Zernike equation is tested for the Lennard-Jones fluid. The results improve the accuracy of the pair correlation component of the Green–Raveche entropy expansion at low and intermediate densities but fail to describe a dense fluid.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 145 (2001), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background  Occupational skin diseases (OSDs) account for a large portion of occupational diseases in Europe, but population-based epidemiological studies are missing. Objectives  We analysed the initial reports of OSDs in our register of OSDs in Northern Bavaria (BKH-N). Methods  A total of 5285 cases were assessed prospectively and registered from 1990 to 1999. As the German Federal Employment Office provides specific occupational data in relation to the total employed population of Northern Bavaria, it was possible to conduct a population-based study that investigated the trend in incidence rates between two study periods (1990–92 and 1993–99) in 24 different occupational groups. Results  A total of 3097 cases of OSD (median age 25 years) were recorded in the 24 occupational groups. There was a significant decline (P 〈 0·001) in the overall incidence rate of OSD with 10·7 cases per 10,000 workers per year for the first study period and 4·9 cases per 10,000 workers per year for the second study period. This general trend in incidence rates was also significant for hairdressers and barbers, bakers, health-care workers, cooks and metal processors. Conclusions  The BKH-N provides national data based on the notification of OSDs in Germany. The results demonstrate the rank of occupations hazardous for the skin and are helpful for defining target groups for prevention.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 58 (1991), S. 2470-2472 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A Michelson interferometer containing a nonlinear fiber in one arm and dispersion control in the other arm has been used for passive mode locking of a continuous wave Nd:glass laser. We discuss scaling issues and demonstrate the usefulness of this technique by generating ≈300 fs pulses with only Pf≈15 mW of average power in the fiber and ≈100 fs pulses with a self-starting threshold of Pf≈100 mW.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 56 (1990), S. 1415-1417 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new amplitude-modulation mode-locking technique is presented. Acoustic waves are generated directly on the faces of a resonant photoelastic medium. The created standing waves cause a highly efficient diffraction modulation of light. The modulation depth of standing-wave mode lockers is related to material and drive parameters and a figure of merit is introduced. With a lithium niobate crystal modulation depths over 10 are achieved at 1.054 μm and 1 W of radio frequency power. Using this device for the active mode locking of a continuous-wave Nd:glass laser pulses as short as 3.8 ps are produced at a repetition rate of 66 MHz. Limitations of amplitude-modulation mode locking by standing acoustic waves are discussed.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Copenhagen : Munksgaard International Publishers
    Contact dermatitis 44 (2001), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Blackwell Science Ltd/Inc.
    Contact dermatitis 50 (2004), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives:  To analyse the yearly incidence rates and causes of occupational skin diseases (OSD) in different metal-working industries.Methods:  Between 1990 and 1999, all new cases of OSD and their causes were prospectively recorded in all metal-working enterprises of Northern Bavaria. We calculated the incidence rates according to the average employed population. Furthermore, we analysed the different allergens, irritants and constitutional factors (e.g. atopy) in the affected metal workers.Results:  In metal workers, a total of 700 OSDs were registered which comprise 18.8% of all OSDs in our register. They were classified into metal-surface processors (260 OSDs, yearly incidence per 10,000 employees = 10.4), metal processors (129 OSDs, 5.9), locksmiths and automobile mechanics (119 OSDs, 2.5), electrical industry (69 OSDs, 1.4), machinists (47 OSDs, 11.6), mechanics (40 OSDs, 6.6), electroplaters (22 OSDs, 20.6) and solderers (14 OSDs, 13.4). The proportion between allergic (ACD) and irritant contact dermatitis (ICD) varies conspicuously. While electroplaters and solderers predominantly suffer from ACD (82% resp. 71%), in other occupational groups ICD is more common: mechanics (60%), locksmiths and automobile mechanics (59%) or metal-surface processors (53%). The type IV allergens differ widely depending on the occupational exposure. The most important allergen in solderers is colophony, in electroplaters nickel sulphate and potassium dichromate. There is a wide range of allergens in metal working fluids and it is mandatory to patch test patient‘s own working materials due to the fact that important allergens are not yet included in the screening series.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    Contact dermatitis 50 (2004), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives:  Occupational skin diseases (OSDs) account for a large number of occupational diseases in Europe. Population-based epidemiological studies concerning certain occupations (e.g. Health care workers), however, are missing.Aim of our study was to analyse the reports of OSD in Health care workers (HCW) in the register of OSDs of Northern Bavaria and to assess the annual incidence in this occupational group in relationship to the total employed population in Northern Bavaria. Further, we investigated the spectrum of sensitizations with and without occupational relevance in this group.Methods:  A total of 5285 cases of OSD were assessed prospectively and registered from 1990–1999. Data of total employment were provided by the German Federal Employment office.Results:  A total of 3097 cases were confirmed as OSD in 24 occupational groups, of which 482 were confirmed in the group of HCW. The average annual incidence of OSD in this group accounted for 7.3 per 10,000 workers. In 1990 the incidences in this occupational group accounted for 11.4%, in 1999 for 5.0% per 10,000 workers with highest incidences in younger age groups. In the evaluated health care workers from the register of OSD in Northern Bavaria 54%(n = 260) had irritant and 51%(n = 244) had allergic contact dermatitis including 19%(n = 89) who suffered from both. Of the 482 HCW 13% had occupational relevant Type IV allergy to glutaraldehyde, 12% to thiurams, 6% to nickel (II) sulfate, 4% to formaldehyde or fragances, respectively, 2% to thimerosal, potassium (II) chloride, chloromethyl-isothiazolone and p-phenylendiamine (free base) each.Conclusions:  HCW belong to the occupational groups at exceedingly high risk for OSD. Higher frequencies of OSD occur in younger age groups. Irritant and allergic contact dermatitis are equally common causes of OSD in HCW. Sensitization to certain allergens (e.g. glutaraldehyde, thiurams and latex) are most often of occupational relevance, whereas others although frequently found (e.g. sensitization to nickel-II-sulfate, cobalt-II-chloride, fragance-mix) rarely are of occupational relevance.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 98 (1994), S. 11780-11785 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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