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排序方式: 共有61条查询结果,搜索用时 15 毫秒
1.
对汽车组装流水线作业工人的作业体位、人机测量、劳动状况和生产环境的调查结果表明,过分低头、向前弯腰、手抬高过肩、手抬高过头、长时间站立、工作时间率较高、工作场所照度不足以及噪声值超标可能是存在的主要工效学问题,是导致慢性肌肉骨骼损伤的重要因素,应根据有关标准和法规,采取相应的劳动保护和工效学改进措施 相似文献
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王传连 《中国安全生产科学技术》2018,14(4):155-159
为全面认识驾驶人行为及风险感知并分析行为成因,从驾驶人生理因素着手,从驾驶人视力、阻塞性睡眠呼吸暂停综合征和肌肉骨骼疾患3个方面梳理国内外驾驶人行为及风险感知的研究成果与研究不足。研究结果表明:驾驶人的生理疾病对其驾驶能力和危险感知存在显著影响;生理疾病严重程度与异常驾驶行为中的一般性失误、危险性失误行为之间具有显著正相关关系,疾病严重程度越高,出行失误行为的频率越高;之后可从理论和实验两方面着手,针对驾驶人的不同属性进行研究。 相似文献
3.
Despite the fact that virtual environments are increasingly deployed to study the relation between urban planning, physical and social disorder, and fear of crime, their ecological validity for this type of research has not been established. This study compares the effects of similar signs of public disorder (litter, warning signs, cameras, signs of vandalism and car burglary) in an urban neighborhood and in its virtual counterpart on the subjective perception of safety and livability of the neighborhood. Participants made a walking tour through either the real or the virtual neighborhood, which was either in an orderly (baseline) state or adorned with numerous signs of public disorder. During their tour they reported the signs of disorder they noticed and the degree to which each of these affected their emotional state and feelings of personal safety. After finishing their tour they appraised the perceived safety and livability of the environment. Both in the real and in the simulated urban neighborhood, signs of disorder evoked associations with social disorder. In all conditions, neglected greenery was spontaneously reported as a sign of disorder. Disorder did not inspire concern for personal safety in reality and in the virtual environment with a realistic soundscape. However, in the absence of sound disorder compromised perceived personal safety in the virtual environment. Signs of disorder were associated with negative emotions more frequently in the virtual environment than in its real-world counterpart, particularly in the absence of sound. Also, signs of disorder degraded the perceived livability of the virtual, but not of the real neighborhood. Hence, it appears that people focus more on details in a virtual environment than in reality. We conclude that both a correction for this focusing effect and realistic soundscapes are required to make virtual environments an appropriate medium for both etiological (e.g. the effects of signs of disorder on fear of crime) and intervention (e.g. CPTED) research. 相似文献
4.
Du YB Lee CT Christina D Belfer ML Betancourt TS O'Rourke EJ Palfrey JS 《Disasters》2012,36(3):495-513
The tsunami that struck South-east Asia on 26 December 2004 left more than 500,000 people in Aceh, Indonesia, homeless and displaced to temporary barracks and other communities. This study examines the associations between prolonged habitation in barracks and the nature of fears reported by school-age children and adolescents. In mid-2007, 30 months after the tsunami, the authors interviewed 155 child and parent dyads. Logistic regression analysis was used to compare the fears reported by children and adolescents living in barracks with those reported by their peers who were living in villages. After adjusting for demographic factors and tsunami exposure, the data reveals that children and adolescents living in barracks were three times more likely than those living in villages to report tsunami-related fears. The study demonstrates that continued residence in barracks 30 months after the tsunami is associated with higher rates of reporting tsunami-related fears, suggesting that barracks habitation has had a significant impact on the psychological experience of children and adolescents since the tsunami. 相似文献
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刘芳 《中国环境管理干部学院学报》2014,(6):51-54
通过分析秦皇岛市2011—2012年每日的API值及大气PM10、 SO2、 NO2的日平均浓度变化与同时期的呼吸系统疾病日门诊人数资料,建立了时间序列分析数学模型,分析了秦皇岛市主要大气污染物与呼吸系统疾病发病的关系。发现秦皇岛市大气污染物的浓度与居民呼吸系统疾病之间存在着一定的正相关性,污染物浓度升高,居民呼吸系统疾病的就诊人数随之增加。 相似文献
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Kevin P. McSweeney Jerome J. Congleton David Miller 《International journal of occupational safety and ergonomics》2013,19(4):433-449
The implementation of a successful ergonomic and medical intervention program designed to reduce the number and severity of injuries and illnesses and the associated levels of discomfort in the workplace is presented. Because of the recent activity concerning the on-again-off-again Occupational Safety and Health Administration (OSHA) Ergonomic Program Standard questions have been raised as to the value and effectiveness of an organization’s ergonomics program. In light of these concerns, the immense cost associated with work-related injury and illness, and the related pain and suffering associated with such injuries and illnesses, it is important to present a workable and effective ergonomic and medical intervention program. The results of this applied study demonstrate that through the application of an ergonomic and medical intervention program, workplace-related injuries and illnesses can be reduced or eliminated. 相似文献
9.
J. M. M. van Lith MD J. R. Beekhuis A. J. van Loon A. Mantingh B. T. H. M. de Wolf A. S. P. M. Breed 《黑龙江环境通报》1991,11(8):625-628
In order to gain more insight into the association between alpha-fetoprotein (AFP) and fetal chromosomal disorders, especially Down's syndrome, we measured AFP in fetal serum, amniotic fluid, and maternal serum at cordocentesis. We compared the concentration and gradient of AFP in these three compartments. Our data confirm earlier findings on second-trimester fetal serum AFP concentration. The results indicate that low maternal serum AFP in pregnancies with fetal chromosomal disorders could result from an impaired fetal kidney function as well as from impaired membrane or placental passage of AFP, rather than from reduced fetal AFP production. 相似文献
10.
Data were tabulated and compared for cases involving prenatal diagnostic procedures performed in the 8 years between January 1985 and December 1992. Of a total of 2781 pregnancies, 2546 cases (91·5 per cent) were diagnosed by amniocentesis, and 235 (8·5 per cent) by chorionic villus sampling (CVS). These findings reflect the fact that amniocentesis has taken deep root as the prenatal diagnostic procedure widely acknowledged by society, whereas even the existence of CVS has yet to be generally recognized. Analysis of our clinical and laboratory results and complication rates, however, suggests that CVS is a safe and accurate alternative to amniocentesis which should and can be positively presented to all patients who are candidates for prenatal diagnosis. 相似文献