首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   387篇
  免费   20篇
各国政治   73篇
工人农民   13篇
世界政治   68篇
外交国际关系   39篇
法律   135篇
中国政治   6篇
政治理论   71篇
综合类   2篇
  2023年   5篇
  2021年   11篇
  2020年   29篇
  2019年   12篇
  2018年   23篇
  2017年   12篇
  2016年   28篇
  2015年   11篇
  2014年   14篇
  2013年   82篇
  2012年   11篇
  2011年   10篇
  2010年   10篇
  2009年   10篇
  2008年   9篇
  2007年   11篇
  2006年   8篇
  2005年   2篇
  2004年   7篇
  2003年   11篇
  2002年   16篇
  2001年   6篇
  2000年   6篇
  1999年   2篇
  1998年   4篇
  1997年   6篇
  1996年   5篇
  1995年   5篇
  1993年   7篇
  1992年   6篇
  1991年   3篇
  1990年   5篇
  1989年   2篇
  1987年   1篇
  1986年   1篇
  1985年   4篇
  1983年   2篇
  1982年   1篇
  1981年   1篇
  1980年   1篇
  1979年   2篇
  1975年   1篇
  1974年   1篇
  1973年   2篇
  1967年   1篇
排序方式: 共有407条查询结果,搜索用时 15 毫秒
91.
Pesticide poisoning is still a significant health problem in Turkey. We conducted a retrospective study of autopsy cases at Izmir Branch of the Council of Forensic Medicine to describe the characteristics of deaths caused by pesticide poisoning between 2006 and 2009. The distributions of the cases according to gender and age were as follows: men 74.1% (n = 40, mean [±SD] age, 44.7 ± 14.1), women 25.9% (n = 14, mean [±SD] age, 39.2 ± 18.9). The majority of pesticide-poisoning deaths were suicides (n = 43, 80%) followed by accidents (n = 4, 8%) and homicide (n = 1, 2%). The manner of death could not be determined in six cases (11%). Suicides mostly occurred at home (n = 26, 63%) (p < 0.05). Methomyl was the most frequent pesticide (n = 9, 17%) among the all cases. This study reported that most of the pesticides found in poisoning cases were highly hazardous types. Combined efforts of medical professionals and law makers are needed for enacting strict laws against highly hazardous pesticides.  相似文献   
92.
The exclusionary principle in English contract law is a long established but controversial rule of contractual interpretation. This article considers the jurisprudential origins of the principle and critically analyses judicial justification of the principle. This article also puts forward a case for how the principle can be reformed in order to introduce greater fairness within the process of contractual interpretation.  相似文献   
93.
94.
95.
96.
97.
Blood samples were collected from 115 individuals residing in the Pakistani state of West Punjab and 81 Bengali individuals residing in the state of East Bengal, India. These samples were analyzed for the loci HLA-DQA1, PM (LDLR, GYPA, HBGG, D7S8, and GC) and eight short tandem repeats: CSF1PO, TPOX, THO1, vWA, D16S539, D7S820, D13S317, and D5S818. Departures from Hardy-Weinberg (HWE) were observed in Punjabi population at LDLR, THO1, D13S317, D5S818, and D16S539 and at CSF1PO and THO1 in Bengali population.  相似文献   
98.
The laryngeal cartilages undergo age changes, including mineralization and ossification. Keen and Wainwright defined, in male and female subjects, recognizable stages of radiopacity of the thyroid, cricoid, and arytenoid cartilages. The present study analyzed quantitatively the degree of laryngeal radiopacity to determine whether radiography of the larynx can be used routinely in forensic pathology to estimate age at death. In each of 82 subjects, the larynx was removed during forensic autopsy and subjected to radiography in an anteroposterior orientation. Each radiograph was independently scored by two observers. For each case, the degree of laryngeal radiopacity was evaluated according to the classification of Keen and Wainwright. There was a positive correlation between the total score of laryngeal radiopacity and age (correlation coefficient = 0.74). It was concluded that this method is simple, fast, and nondestructive and has a good reproducibility between observers. Because there was a wide interindividual variability in the same age class, this method must be associated with more accurate methods.  相似文献   
99.
A retrospective study was carried out on 58 fatalities due to stab or incised wounds. The frequency of bone or cartilage lesions was analysed according to the number of wounds, the circumstances of death and the anatomical site. Our findings showed that bone/cartilage lesions were present in about 53% of the cases. Cartilage lesions were more frequent than bone lesions. The mean number of wounds in the group with bone/cartilage lesions was statistically higher than the mean number of wounds in the group without lesions (P=0.0068). The main cause of death was thoracic injury in the groups with and without bone/cartilage lesions. In case of skeletal remains, only bone or cartilage lesions allow to diagnose stab or incised wounds. The discovery of these lesions, often of small size, justifies a complete and careful examination of skeletal remains with the help of stereomicroscopy.  相似文献   
100.
Haider A. Khan 《当代中国》2004,13(40):507-521
In this paper it is argued that Taiwan succeeded in developing by deviating from the currently popular ‘Washington Consensus’ strategy in specific ways. In particular, it developed investment strategies that have now reached a crucial ‘Schumpeterian’ phase. This has important implications for high and information technology sectors. Following Schumpeter we assume that innovation in specific firms can have economy‐wide effects. Models based on this idea can be shown to have multiple equilibria. The idea of a positive feedback loop innovation system or POLIS is formalized by picking an appropriate sequence of equilibria over time. It is shown that POLIS has empirical relevance by applying the formal model to an actual economy. Recent financial crisis in many Asian countries, most notably South Korea, seems to have reversed the conventional wisdom regarding the East Asian ‘miracle’. This paper applies the concept of a POLIS to show that neither the current view that the miracle was a mirage nor the earlier contrarian view that the growth was a result of factor accumulation only is correct. Ultimately technological transformation—in particular the creation of a positive feedback loop innovation system is what makes the difference between sustained growth and gradual or sudden decline. Although various problems remain in both the real and the financial sectors, the successes of Taiwan in building the preconditions for an innovation system are worth examining. Upon careful examination of Taiwan's system of innovation within the above Schumpeterian model it is found that of all the ‘miracle’ economies Taiwan has the best chance of building a POLIS in the near future. Because of Taiwan's strength in building a POLIS, the PRC can also benefit from continuing contact with Taiwan through trade and FDI from Taiwan.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号