全文获取类型
收费全文 | 104篇 |
免费 | 6篇 |
专业分类
财政金融 | 5篇 |
工业经济 | 5篇 |
计划管理 | 42篇 |
经济学 | 26篇 |
综合类 | 10篇 |
运输经济 | 2篇 |
旅游经济 | 3篇 |
贸易经济 | 4篇 |
农业经济 | 7篇 |
经济概况 | 6篇 |
出版年
2023年 | 3篇 |
2022年 | 5篇 |
2021年 | 9篇 |
2020年 | 9篇 |
2019年 | 4篇 |
2018年 | 3篇 |
2017年 | 5篇 |
2016年 | 3篇 |
2015年 | 7篇 |
2014年 | 7篇 |
2013年 | 13篇 |
2012年 | 11篇 |
2011年 | 8篇 |
2010年 | 7篇 |
2009年 | 2篇 |
2008年 | 4篇 |
2007年 | 3篇 |
2006年 | 1篇 |
2004年 | 1篇 |
2003年 | 1篇 |
2001年 | 1篇 |
2000年 | 2篇 |
1997年 | 1篇 |
排序方式: 共有110条查询结果,搜索用时 15 毫秒
91.
92.
Kwadwo Asenso‐Okyere Felix A. Asante Jifar Tarekegn Kwaw S. Andam 《Agricultural Economics》2011,42(3):293-304
This paper surveys the linkages between malaria and agriculture, focusing on the economic impacts of the disease. We adopt Negin's (2005) conceptual framework to examine the potential impacts of malaria in the agricultural sector, including both direct and indirect impacts. In addition to health care costs, malaria causes loss of agricultural labor and slows adoption of improved practices in agriculture. Furthermore, some agricultural practices and development interventions are known to facilitate the spread of malaria, exacerbating its impacts. Given the importance of both agriculture and malaria in developing countries, especially in Africa, the interaction between them could be a significant factor in economic growth. The review identifies gaps in past research on this topic. A better understanding of malaria's impact on agricultural productivity, coupled with efforts to strengthen capacity to deal with malaria, would enhance policies and programs aimed at combating malaria and curbing its impacts on agricultural productivity. 相似文献
93.
高速公路建设的特点之一就是路基高填深挖路段多。为确保路基、路面的稳定性,安全性,增长道路使用寿命,必须加强路基边坡防护的综合研究。公路边坡防护从设计到施工,应紧紧抓住设计对象的地质、水文、气候等自然条件特点,采用灵活有效的防护方式,并结合环境保护。 相似文献
94.
桥梁工程作为贯穿整个公路建设的必不可少的一环,也备受人们的关注。为了保证桥梁工程的质量,对整个施工过程进行质量管理,并实时对桥梁建设工程进行病害检查及病害的防治更是显得尤为重要。本文就桥梁建设工程中的施工病害防治及其现场质量管理等方面进行简述。 相似文献
95.
影响人们健康的因素,过去主要是生物因素危害人类健康,而现在主要是生活方式、环境及医疗卫生利用等因素影响着人们的健康状态,特别是生活方式已成为影响现代人健康最直接、最密切的因素。 相似文献
96.
仔猪腹泻一直是困扰养猪业发展的重大难题。为了做到有的放矢地预防和治疗,建立正确的诊断是最关键的前提。本文从流行病学、发病症状、剖检变化以及血清学角度阐述了仔猪腹泻病的正确诊断的鉴别方法。 相似文献
97.
文章以柳南高速公路小平阳—宾阳段综合治理工程为例,分析了水泥混凝土路面的病害,并根据工程实际提出水泥混凝土路面的养护和维修措施。 相似文献
98.
浅谈森林病虫害的特点和预防措施 总被引:5,自引:0,他引:5
依据我国森林病虫害的发生特点分析造成我国森林病虫害日趋严重的原因,简要介绍我国森林病虫害的预防措施以及有效的生物治理措施。 相似文献
99.
on behalf of the ONTARGET Investigators 《Journal of medical economics》2013,16(6):792-797
AbstractBackground:The recently published ONTARGET trial found that telmisartan was non-inferior to ramipril in reducing CV death, MI, stroke, or heart failure in patients with vascular disease or high-risk diabetes. The cost implications of ramipril and telmisartan monotherapy use based on the ONTARGET study are reported here.Methods and Results:Only healthcare system costs were considered. Healthcare resource utilization was collected for each patient during the trial. The authors obtained country-specific unit costs to the different healthcare care resources consumed (i.e., hospitalizations events, procedures, non-study, and study drugs) for all enrolled patients. Purchasing power parities were used to convert country-specific costs into US dollars (US$ 2008). The total undiscounted costs of the study for the telmisartan group was $12,762 per patient and is higher than the ramipril group at $12,007 per patient, an un-discounted difference of $755 (95% confidence interval [CI], $218–$1292); The discounted costs for the telmisartan group was $11,722 compared with $11,019 for the ramipril group; a difference of $703 (95% CI, $209–$1197). The difference in costs is exclusively related to the acquisition cost of telmisartan over generic ramipril.Limitations:This analysis only considered direct healthcare system costs. Costs accrued outside the hospital were not collected. Combination therapy was excluded since it would likely be more expensive than ramipril alone, with no additional benefit and a risk of some harm.Conclusions:Based on these results, it is suggested that for the ONTARGET patients, the use of telmisartan instead of ramipril increases costs by 6.3%. These findings suggest that the choice to put patients on telmisartan should be justified based on the patient’s susceptibility to specific adverse events to minimize the cost implications. 相似文献
100.
The recent global financial crisis and the threat of a worldwide H1N1 influenza epidemic have greatly affected the tourism and hospitality industries around the world. Both hospitality practitioners and researchers are interested in finding analytical methods that enable forecasts to be made of hotel room demand under the uncertain conditions likely to affect the industry. In this article, a novel data mining technique called independent component analysis (ICA) is proposed to establish the major factors determining the hotel occupancy rate in Hong Kong. Then, extension of the model is suggested, incorporating these factors to decompose hotel occupancy rates and examine the effect of each factor on the hotel occupancy rate. Empirical findings show that outbreaks of infectious diseases, economic performance, and service price were the major determinants of the hotel occupancy rate in Hong Kong over the period studied. 相似文献