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511.
分析了影响核电站大修作业安全的人、机、环境因素及其相互关系,并从人、机、环境三方面提出了相应的控制措施. 相似文献
512.
Frequent business travel can be a burden for travelers' work and private life. We tested whether preventive coping (the proactive accumulation of resources in advance of potential stressors) makes such trips beneficial despite their potential to be stressful. In a longitudinal three‐wave study, we investigated whether frequent travel relates to an increase or decrease in work–life balance, emotional exhaustion, work engagement, and relationship satisfaction depending on preventive coping. Findings from a sample of 133 frequent business travelers revealed significant indirect effects for emotional exhaustion, work engagement, and relationship satisfaction through work–life balance. Among employees who engaged less in preventive coping, a higher number of business trips was related to a decrease in work–life balance, which, in turn, was related to more emotional exhaustion, less work engagement, and lower relationship satisfaction. Among those who reported higher preventive coping, we found opposing indirect effects: Frequent travel was related to an increase in work–life balance and, in turn, to less emotional exhaustion, more work engagement, and higher relationship satisfaction. These findings advance our knowledge in the field of business travel, future‐oriented coping, and work–life balance. They highlight that travelers and their organizations should resort to preventive coping to make frequent travel more beneficial. 相似文献
513.
Innovative work behavior and sex‐based stereotypes: Examining sex differences in perceptions and evaluations of innovative work behavior
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Building on role congruity theory, we predict that innovative work behaviors are stereotypically ascribed to men more than to women. Because of this bias, women who innovate may not receive better performance evaluations than those who do not innovate, whereas engaging in innovative work behaviors is beneficial for men. These predictions were supported across 3 complementary field and experimental studies. The results of an experiment (Study 1; N = 407) revealed that innovative work behaviors are stereotypically associated with men more than women. In Studies 2 and 3, using multisource employee evaluation data (N = 153) and by experimentally manipulating innovative work behaviors (N = 232), respectively, we found that favorable performance evaluations were associated with innovative work behaviors for men but not for women. These studies highlight a previously unidentified form of sex bias and are particularly important for those wishing to increase innovative behaviors in the workplace: We need to address this phenomenon of “think innovation‐think male.” 相似文献
514.
Multifoci effects of injustice on counterproductive work behaviors and the moderating roles of symbolization and victim sensitivity
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James J. Lavelle Christopher M. Harris Deborah E. Rupp David N. Herda Randall F. Young M. Blake Hargrove Meghan Ann Thornton‐Lugo Gary C. McMahan 《组织行为杂志》2018,39(8):1022-1039
Past research suggests that employees, in response to workplace experiences, selectively engage in targeted counterproductive work behaviors (CWBs). Taking a retributive justice and target similarity perspective, we predict that employee perceptions of unfairness from the organization uniquely predict CWB specifically targeted at the organization whereas employee perceptions of supervisory unfairness uniquely predict CWB specifically targeted at the supervisor. We further hypothesized that moral identity‐symbolization would strengthen these target‐similar relationships. Finally, drawing from the sensitivity to mean intentions model, we hypothesized that victim sensitivity would not only strengthen these target‐similar relationships but also lead to cross‐foci effects of multifoci fairness perceptions on targets of CWB. Results from 3 field studies of full‐time employees provided support for most of our hypothesized relationships. 相似文献
515.
Rauno Pääkkönen Milja Koponen 《International journal of occupational safety and ergonomics》2018,24(1):160-163
The aim of this work is to evaluate and describe the current status of, and prospects for, the future of occupational hygiene in Finland. The main sources of information include a seminar held in the annual meeting of Finnish Occupational Hygiene Society and interviews with different stakeholders. Nanotechnology and other new materials, changing work environments, circular economy including green jobs, new medical methods and advances of construction methods were recognized as future challenges. Future work opportunities for occupational hygiene experts included exposure assessments in indoor air surveys, private consulting and entrepreneurship in general, international activities and product safety issues. Unclear topics needing more attention in the future were thought to be in new exposures, sensitive persons, combined effects, skin exposures and applicability of personal protective equipment. Occupational hygiene should broaden its view; occupational hygienists should have to cooperate with other specialists and grasp new challenges. 相似文献
516.
对用钼酸铵分光光度法测定地表水中总磷时工作曲线的绘制、消解时间和浊度补偿等进行了试验。结果表明,绘制工作曲线时可不进行消解处理;样品测定时可缩短消解时间;试样中有浊度时可用离心法替代浊度补偿法。 相似文献
517.
通过某种产品的二次筛选试验前后的参数数据分析,从一个侧面分析了二次筛选试验对产品造成的影响,定量地表征了影响的程度,为以后的二次筛选乃至一次筛选对产品寿命影响的全面分析奠定基础。 相似文献
518.
Gas purging processes in pipeline safety maintenance were studied using the Computational Fluid Dynamics (CFD) methods. A new model (model 1) closer to actual working conditions and another two-side injection model were investigated. The simulation results showed that the relative purging efficiency of model 1 decreases compared to the ideal model (model 0), and two-sided injection model increases the efficiency relative to the single sided purging model. In addition, the models with different intake methods, outlet positions, outlet sizes and outlet pressures were simulated. If the outlet is opened after delaying some time, purging efficiency is improved. Furthermore if “relay purging” method is adopted, the efficiency is increased by 18% with two gas inlets and by 11% with a single inlet. The outlet position affects the average velocity in the last purging time. If the outlet diameter is equal or larger than that of the inlet, the purging efficiency is much higher. 相似文献
519.
从事故中吸取教训是安全科学的主要任务,回顾拆解曾经的研究成果,从理论基础研究和应用实践研究两个方面进行了文献综述,以期达到总结前期成果和启示后续研究的目的。结果表明,在横向研究中,一方面在全学科的宏观层面,相关和因果的研究在经济与管理科学和社会科学中的开展较为成熟,而在安全科学与灾害防治领域还处于发展阶段。同时自2003年至2012年,是相关关系和因果关系研究成果的快速发展时期;另一方面在生产安全事故范围的微观层面,相关和因果的研究相对集中于事故控制阶段的相关关系的研究;在纵向研究中,对于生产安全事故分析时需要进行的描述、解释、预测和控制4个阶段中在选取相关关系和因果关系时有所侧重,在事故描述阶段偏重使用相关关系;在事故解释阶段,如果是解释事故发生的可能性主要偏重使用因果关系。如果是解释事故发生的损失程度主要偏重使用相关关系;在事故预测阶段,偏重相关关系;在事故控制阶段偏重因果关系。 相似文献
520.
《组织行为杂志》2017,38(6):792-812
Low work engagement may contribute towards decreased well‐being and work performance. Evaluating, boosting and sustaining work engagement are therefore of interest to many organisations. However, the evidence on which to base interventions has not yet been synthesised. A systematic review with meta‐analysis was conducted to assess the evidence for the effectiveness of work engagement interventions. A systematic literature search identified controlled workplace interventions employing a validated measure of work engagement. Most used the Utrecht Work Engagement Scale (UWES). Studies containing the relevant quantitative data underwent random‐effects meta‐analyses. Results were assessed for homogeneity, systematic sampling error, publication bias and quality. Twenty studies met the inclusion criteria and were categorised into four types of interventions: (i) personal resource building; (ii) job resource building; (iii) leadership training; and (iv) health promotion. The overall effect on work engagement was small, but positive, k = 14, Hedges g = 0.29, 95%‐CI = 0.12–0.46. Moderator analyses revealed a significant result for intervention style, with a medium to large effect for group interventions. Heterogeneity between the studies was high, and the success of implementation varied. More studies are needed, and researchers are encouraged to collaborate closely with organisations to design interventions appropriate to individual contexts and settings, and include evaluations of intervention implementation. © 2016 The Authors. Journal of Organizational Behavior published by John Wiley & Sons, Ltd. 相似文献