全文获取类型
收费全文 | 564篇 |
免费 | 23篇 |
国内免费 | 9篇 |
专业分类
安全科学 | 140篇 |
废物处理 | 8篇 |
环保管理 | 191篇 |
综合类 | 164篇 |
基础理论 | 15篇 |
污染及防治 | 22篇 |
评价与监测 | 24篇 |
社会与环境 | 28篇 |
灾害及防治 | 4篇 |
出版年
2024年 | 1篇 |
2023年 | 5篇 |
2022年 | 16篇 |
2021年 | 20篇 |
2020年 | 32篇 |
2019年 | 9篇 |
2018年 | 5篇 |
2017年 | 7篇 |
2016年 | 16篇 |
2015年 | 18篇 |
2014年 | 31篇 |
2013年 | 38篇 |
2012年 | 40篇 |
2011年 | 47篇 |
2010年 | 33篇 |
2009年 | 33篇 |
2008年 | 33篇 |
2007年 | 43篇 |
2006年 | 24篇 |
2005年 | 26篇 |
2004年 | 11篇 |
2003年 | 12篇 |
2002年 | 5篇 |
2001年 | 10篇 |
2000年 | 16篇 |
1999年 | 7篇 |
1998年 | 10篇 |
1997年 | 6篇 |
1996年 | 6篇 |
1995年 | 6篇 |
1994年 | 3篇 |
1993年 | 2篇 |
1992年 | 2篇 |
1991年 | 1篇 |
1990年 | 4篇 |
1987年 | 5篇 |
1986年 | 3篇 |
1985年 | 2篇 |
1984年 | 4篇 |
1983年 | 3篇 |
1982年 | 1篇 |
排序方式: 共有596条查询结果,搜索用时 15 毫秒
271.
阐述了社会主义市场经济条件下 ,我国乡镇企业暴露出来的环境污染问题 ,并进行深刻剖析 ,认为主要原因是一些地方政府允许采用落后工艺和简陋设备、掠夺式的资源开发方式发展乡镇企业 ,并提出了解决这些问题的方法。 相似文献
272.
冯建社 《辽宁城乡环境科技》1998,18(3):8-9
本世纪五十年代以来,对企业绿色赋有防污的要求,本文地防污绿化的概念及要求进行了论述,为工矿的绿化工作提供了科学依据。 相似文献
273.
The paper focuses on risk sources under no legislative pressure in the field of prevention of major accidents. Despite this, they can represent significant sources of risk of accidents.The aim of the paper is to present the results of the risk assessment associated with the operation of enterprises not regulated by the SEVESO III Directive (the so-called subliminal enterprises), to provide information on possible operational problems and to verify the applicability of recognized risk analysis methods for these specific sources of risk. Last but not least, its purpose is to point out that subliminal enterprises, due to their location close to residential areas or areas with a high concentration of population, pose a serious risk to the population.The paper summarizes the results of the quantitative risk assessment of a specific enterprise not included in the Seveso Directive – a filling station. Filling stations are frequently located in built-up areas with a dense coefficient of habitability. Due to their number, location (e.g. close to residential areas), frequency of occurrence of persons in the area and handling of dangerous substances during normal operation, they can have negative or even tragic consequences to the life and health of the population.Due to the non-existent risk assessment methodology for enterprises with subliminal quantities of dangerous substances and the lack of a systematic search for risk sources, a risk assessment procedure for these companies is designed. 相似文献
274.
Introduction: Crash data suggest an association between driver seatbelt use and child passenger restraint. However, community-based restraint use is largely unknown. We examined the association between driver seatbelt use and child restraint using data from a state-wide observational study. Methods: Data from Iowa Child Passenger Restraint Survey, a representative state-wide survey of adult seat belt use and child passenger safety, were analyzed. A total of 44,996 child passengers age 0–17 years were observed from 2005 to 2019. Information about driver seatbelt use and child restraint was directly observed by surveyors and driver age was reported. Logistic regression was used to examine the association between driver seatbelt use and child restraint adjusting for vehicle type, community size, child seating position, child passenger age, and year. Results: Over the 15-year study period, 4,114 (9.1%) drivers were unbelted, 3,692 (8.2%) children were completely unrestrained, and another 1,601 (3.6%) children were improperly restrained (analyzed as unrestrained). About half of unbelted drivers had their child passengers unrestrained (51.8%), while nearly all belted drivers had their child passengers properly restrained (92.3%). Compared with belted drivers, unbelted drivers had an 11-fold increased odds of driving an unrestrained child passenger (OR = 11.19, 95%CI = 10.36, 12.09). The association between driver seatbelt use and child restraint was much stronger among teenage drivers. Unbelted teenage drivers were 33-fold more likely (OR = 33.34, 95%CI = 21.11, 52.64) to have an unrestrained child passenger. Conclusion: These data suggest that efforts to increase driver seatbelt use may also have the added benefit of increasing child restraint use. Practical applications: Enforcement of child passenger laws and existing education programs for new drivers could be leveraged to increase awareness of the benefits of seatbelt use for both drivers themselves and their occupants. Interventions aimed at rural parents could emphasize the importance of child safety restraints. 相似文献
275.
276.
277.
PROBLEM: In today's economic environment, enterprises may not be able to fund every new project aimed at promoting health and safety in the workplace. Company level economic evaluation of interventions can provide guidance in sound business decision-making. The Economic Evaluation of Occupational Health and Safety Interventions at the Company Level Meeting brought together members of the global occupational safety and health community interested in encouraging the use of economic knowledge and tools to evaluate economic gains from occupational health and safety interventions. DISCUSSION: Discussions of the six models presented explored similarities, reliability, and potential use by corporate enterprises, small and medium enterprises, developing and transitioning nations, and economic theorists. Each group provided specific projects that could be pursued to advance knowledge in the area of economic evaluation at the company level. CONCLUSION: This conference established pathway to incorporate economic evaluation of health and safety interventions or programs at the workplace. 相似文献
278.
/ The rural West of the United States is considered strongly antienvironment. The traditional economic reliance of the area on natural resources has long explained this antienvironment stance. The region consistently elects federal officials who as a group consistently vote against environmental bills and seek to undo existing federal environmental regulation. These politicians defend their antienvironment actions based on their perception of the economic composition and interests of the region. Recent studies, however, have suggested that rural residents are increasingly concerned about environmental issues. These studies, however, lack a consistent theoretical basis. This article uses an alternative economic typing system to examine the economic composition of rural Idaho and suggests that the results found using the alternative typing system might provide a theoretical basis to explain why some studies are finding increased rural environmental support. The results show that rural Idaho is much more economically diverse using this alternative typing methodology compared to the outcomes of traditional USDA economic methodologies. The policy and research implications of these findings are examined.KEY WORDS: Rural; Environmental policy; Economic composition 相似文献
279.
通过对石化行业面临的主要健康风险进行分析,识别影响员工健康的主要危险因素,结合科学研究,提出技术支撑建议,为石化行业开展健康企业建设提供思路。 相似文献
280.