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  • Springer  (300)
  • 1
    ISSN: 1573-3289
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Psychology
    Notes: Abstract Differences in the perceptions of state and local officials about mental health systems create obstacles to effective functioning. Data from 25 states were analyzed to identify these differences as well as the mechanisms being used to reconcile them. Outcomes from an intervention within one state are presented along with guidelines for reducing the dysfunctional effects of level-specific perceptions.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-3289
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Psychology
    Notes: Abstract A longitudinal study of 71 community mental health centers in fifteen states empirically classified four groups of states by similarities in policy and funding. Changes in performance of centers across these four state groups were compared and differences in management strategies employed by these centers were examined. Results indicated that state policy and funding influence center performance, and that certain management strategies were effective in adapting to specific state environments.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Community mental health journal 23 (1987), S. 19-29 
    ISSN: 1573-2789
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Formulating and implementing corporate strategy to guide the planning and operations of mental health centers is related to some degree to the center's initial scale of operations and its funding context. The results of a longitudinal study of centers in 15 states indicate that these aspects of a center's context favor a specific array of management strategies: the extent to which centers are diversifying their service operations, the percent of change in direct government and nongovernment revenue, and an emphasis on developing interagency ties and on reducing costs represent major strategy options which differentiate mental health centers.
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  • 4
    ISSN: 1573-2800
    Keywords: volunteer bias ; female sexual response ; vaginal photoplethysmograph
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Psychology
    Notes: Abstract Demographic, sexual, and personality characteristics of volunteers and nonvolunteers for a laboratory study of sexual arousal were compared. Subjects were 296 female students from an introductory psychology course who had volunteered for a study on sexuality and personality. After completing several questionnaires, subjects were presented with a written description of an experiment that involved viewing sexually explicit videotapes and measurement of sexual arousal with a vaginal photoplethysmograph and indicated in writing whether or not they would be interested in participating in the experiment. Chi-square analyses revealed that a greater percentage of volunteers had experienced sexual trauma and that fewer women in this group reported objections to viewing sexually explicit films than nonvolunteers. A discriminant function analysis revealed that the volunteers masturbated more frequently, had more exposure to commercialized erotica materials, were exposed to these materials at an earlier age, and reported less sexual fear than nonvolunteers. Other personality, demographic, and sexual characteristics did not differ across the groups. This study demonstrates that the external validity of studies employing vaginal measures of sexual arousal is limited. Researchers must use caution when discussing the generality of findings based on genital measurement of sexual arousal.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-069X
    Keywords: Isotretinoin ; Comedones ; Keratinization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of isotretinoin on experimentally induced comedones was studied by means of histoplanimetry and scanning electron microscopy (SEM). To induce comedone formation, insoluble cutting oil was applied to the ventral surface of the ears of rabbits for 2 weeks. After comedones formed, isotretinoin was fed to the rabbits by a feeding tube, daily, for 4 weeks. A low dose (2.0 mg/kg) and a high dose (20.0 mg/kg body weight) were selected for two different groups. Soybean oil served as the vehicle. Histoplanimetrically, the high-dose group showed a significant decrease in size of comedones when compared to the control group and the low-dose group [P〈0.005], and in the high-dose group, the follicular lumen contained a small number of loose, non-adherent, horny cells. Upon SEM examination, the comedones were seen to have a ‘chrysanthemum’ appearance before treatment. After treatment, the high-and low-dose groups both showed evidence of the elimination of comedones on three-dimensional analysis.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0178-515X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The objectives of this study were to investigate the biodegradation of gaseous trichloroethylene (TCE) and tetrachloroethylene (PCE) in an activated carbon biofilter inoculated with phenol-oxidizing microorganisms and to study the effect of surfactant concentration below its critical micelle concentration (CMC) on the removal efficiency of TCE or PCE. For the enhanced biofiltration, a biodegradable nonionic surfactant was added to biofilters. The investigation was conducted using two specially built stainless steel biofilters, one for TCE and the other for PCE. The removal efficiency of gaseous TCE was 100% at a residence time of 7 min and its average inlet concentration of 85 ppm. For gaseous PCE, 100% removal efficiency was obtained at residence times of 4–7 min and its average concentrations of 47–84 ppm. It was found that adsorption by GAC and absorption by influent nutrient solution were a minor or negligible mechanism for TCE and PCE removal in the activated carbon biofilters. The TCE and PCE activated carbon biofilter performances were observed to be a little enhanced but not significantly, when the surfactant was introduced at concentrations of 5–50 mg/l. Surfactant concentrations of 5–15 mg/l were found to be an optimal dosage in the biofilter operation for avoiding significant residual in the effluent from biofilters.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-6709
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study compares the attitudes of nonsecluded patients hospitalized on psychiatric units with either isolated or visible seclusion rooms. It was found that there were minimal differences between units. Patients at the hospital with visible seclusion rooms more often indicate that patients are often cured in such rooms, in contrast to the patients on the other unit who endorsed more stereotypical perceptions of the quiet room.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A scheme was developed for the determination of oxidation states of plutonium in environmental samples. The method involves a combination of solvent extractions and coprecipitation. It was tested on solutions with both high-level and trace-level concentrations. The scheme was used to determine Pu oxidation states in solutions from solubility experiments in groundwater from a potential nuclear waste disposal site. At steady-state conditions, Pu was found to be soluble predominantly as Pu(V) and Pu(VI).
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The objective of this research was to design an extraction media and procedure that would selectively remove uranium without adversely affecting the soils' physicochemical characteristics or generating secondary waste forms difficult to manage or dispose of. Investigations centered around determining the best lixiviant and how the various factors such as pH, time, and temperature influenced extraction efficiency. Other factors investigated included the influence of attrition scrubbing, the effect of oxidants and reductants, and the recycling of lixiviants. Experimental data obtained at the bench-and pilot-scale levels indicated 80% to 95% of the uranium could be removed from the uranium-contaminated soils by using a carbonate lixiviant. The best treatment was three successive extractions with 0.25M carbonate-bicarbonate (in presence of KMnO4 as an oxidant) at 40°C followed with two water rinses.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The presence of excess uranium-235 was detected in many of the rain samples collected at Fayetteville (36°N, 94°W), Arkansas, during the period between April 1983 and March 1984. The experimental data indicate that the uranium-235 originated from the nuclear reactor on board the Soviet satellite Cosmos-1402, which fell over the South Atlantic Ocean on 7 February 1983.
    Type of Medium: Electronic Resource
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