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101.
Andreas Haaker 《Zeitschrift für Betriebswirtschaft》2009,79(12):1469-1473
102.
Abstract Possible chronotoxic effects were the reason to study chemical workplace exposure under the special condition of shiftwork. Eight shiftworkers occupationally exposed to acetone vapours and eight controls were investigated during fast-rotated shiftwork. The mean concentration of acetone during the shifts was close to 1000 ppm (2400 mg/m3). Data on well-being and acute symptoms, but not on performance, indicate that the exposure contributed mainly in an additive way to the negative effects of shiftwork. As a consequence, the exposed shiftworkers revealed enhanced impairments during the night-shift. 相似文献
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104.
This note generalizes various previous results on the equality of OLS and GLS in the General Linear Regression Model. 相似文献
105.
Risk Assessment of Escherichia coli O157 Illness from Consumption of Hamburgers in the United States Made from Australian Manufacturing Beef 下载免费PDF全文
We analyze the risk of contracting illness due to the consumption in the United States of hamburgers contaminated with enterohemorrhagic Escherichia coli (EHEC) of serogroup O157 produced from manufacturing beef imported from Australia. We have used a novel approach for estimating risk by using the prevalence and concentration estimates of E. coli O157 in lots of beef that were withdrawn from the export chain following detection of the pathogen. For the purpose of the present assessment an assumption was that no product is removed from the supply chain following testing. This, together with a number of additional conservative assumptions, leads to an overestimation of E. coli O157‐associated illness attributable to the consumption of ground beef patties manufactured only from Australian beef. We predict 49.6 illnesses (95%: 0.0–148.6) from the 2.46 billion hamburgers made from 155,000 t of Australian manufacturing beef exported to the United States in 2012. All these illness were due to undercooking in the home and less than one illness is predicted from consumption of hamburgers cooked to a temperature of 68 °C in quick‐service restaurants. 相似文献
106.
Andreas Schulz Dipl.-Psych. 《Organisationsberatung, Supervision, Coaching》2010,17(4):361-371
Social competence is based upon cognition, action, emotion and referrs to ethic convictions. Self-reflection about the personal assumptions, role playing and mild personal risks help to increase social competent behaviour. Psychodrama helps to understand complex structures of organization and relations and to specify social competent behaviour. 相似文献
107.
108.
Andreas Koller 《Theory and Society》2004,33(6):741-743
Volume Contents
Volume Contents 相似文献109.
Anger between colleagues is part of the daily life in organisations. Conflicts do not only imply very intense emotions, but annoyed actors also tend to strongly personalise them: Often, the blame is attributed to others. Typical consequences of these emotional distortions, which lead to anger, are continuous conflicts, health problems and a lower working efficiency. This article pleads to take more into consideration the structure of organisations in order to avoid these problems. By referring to the structuring theory (Giddens) which takes into account different structural components (Signification, legitimation and power) a general perspective of anger episodes can be developed. Organisational structures produce anger and anger reproduces organisational structures.Based on this assumption, several approaches point out the application of a more developed structuring theory of anger interactions in organisations. 相似文献
110.
Andreas Fromkorth Michael Kohler 《Journal of statistical planning and inference》2011,141(1):172-188
Estimation of a regression function from independent and identical distributed data is considered. The L2 error with integration with respect to the design measure is used as error criterion. Upper bounds on the L2 error of least squares regression estimates are presented, which bound the error of the estimate in case that in the sample given to the estimate the values of the independent and the dependent variables are pertubated by some arbitrary procedure. The bounds are applied to analyze regression-based Monte Carlo methods for pricing American options in case of errors in modelling the price process. 相似文献