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   695篇
  免费   50篇
各国政治   56篇
工人农民   29篇
世界政治   85篇
外交国际关系   31篇
法律   376篇
中国政治   5篇
政治理论   158篇
综合类   5篇
  2024年   1篇
  2023年   14篇
  2021年   14篇
  2020年   22篇
  2019年   25篇
  2018年   21篇
  2017年   32篇
  2016年   37篇
  2015年   28篇
  2014年   33篇
  2013年   136篇
  2012年   44篇
  2011年   36篇
  2010年   21篇
  2009年   14篇
  2008年   30篇
  2007年   34篇
  2006年   25篇
  2005年   22篇
  2004年   26篇
  2003年   25篇
  2002年   16篇
  2001年   12篇
  2000年   17篇
  1999年   7篇
  1998年   6篇
  1997年   5篇
  1996年   5篇
  1995年   6篇
  1994年   2篇
  1993年   3篇
  1992年   3篇
  1991年   1篇
  1990年   1篇
  1989年   2篇
  1988年   1篇
  1987年   1篇
  1986年   1篇
  1984年   1篇
  1983年   3篇
  1981年   2篇
  1978年   2篇
  1975年   2篇
  1973年   3篇
  1970年   1篇
  1965年   2篇
排序方式: 共有745条查询结果,搜索用时 15 毫秒
741.
On 2 June 2009, the Nimes administrative court condemned the Hospital of Orange (France) for unreasonable obstinacy after neonatal resuscitation. On 14 December 2002, an apparently stillborn child was resuscitated after approximately 30 minutes of foetal distress. Cardiac activity was recovered, but the child has since suffered from severe disabilities. The court did not find any fault committed by the hospital regarding maternal care. However, the hospital was sentenced to compensate for the injuries caused by unreasonable obstinacy. According to the court, the medical team should have taken into account the harmful neurological consequences of prolonged foetal distress. The court did not condemn the act of resuscitation itself, but its excessive length. This court ruling serves as a basis for reflection regarding the limits by which unreasonable obstinacy should be set.  相似文献   
742.
Self-inflicted burns are rare in France, but they lead to major, often life-threatening complications. The authors reviewed medical data for patients hospitalized in a burn center from January 2004 to December 2008. Thirty-eight cases of self-inflicted burns were compared with 220 accidental burns. Women were predominantly affected (57.9%, n = 22). A psychiatric history (71%, n = 27) was more frequent in this population. The mean age of the victims was 38 years. The leading method of suicide was flame (94%, n = 36) associated with gasoline used as an accelerant (77.7%, n = 28). Mean total burn surface area (41.5%) and mortality (36.9%) were higher in the self-inflicted burn population. By recognizing epidemiological characteristics and patients at risk, we can better classify lesions related to self-immolation. It is important for the forensic physician to consult survival details to correlate these data with the results of autopsy.  相似文献   
743.
Abstract: The AmpF?STR® Identifiler® Direct PCR Amplification Kit is a new short tandem repeat multiplex assay optimized to allow the direct amplification of single‐source blood and buccal samples on FTA® card without the need for sample purification and quantification. This multiplex assay has been validated according to the FBI/National Standards and SWGDAM guidelines. Validation results revealed that slight variations in primer concentration, master mix component concentration, and thermal cycling parameters did not affect the performance of the chemistry. The assay’s sensitivity was demonstrated by amplifying known amounts of white blood cells spotted onto FTA® cards, and the assay’s specificity was verified by establishing minimal cross‐reactivity with nonhuman DNA. No effect on the age of the sample stored on the FTA® substrate was observed and full concordance was established in the population study. These findings of the validation study support the use of the Identifiler® Direct Kit for forensic standards and database samples genotyping.  相似文献   
744.
Various methods have been published in the literature to estimate endocranial capacity. These are based on mathematical equations using measurements made directly on the skull or indirectly from X-rays, by filling the skull with various materials, by endocasts both physical and virtual (using 3D CT-scan reconstructions). Each method has its advantages, limits and drawbacks. A useful method is one that is simple, time-efficient, cheap, and reproducible. For this study we estimated endocranial capacity by filling the skull with calibrated glass beads. We used a thorough protocol of tamping to ensure results reproducibility. Intra- and inter-observer trials showed no significant differences. The method was applied to 130 recent French (West European) skulls (65 males and 65 females). Sexual dimorphism was studied using logistic regression functions, discriminant analysis, and neural network. The best results were obtained using the neural network, built with two hidden nodes in the hidden layer and one output node, and trained with a steepest descent algorithm. Our tests show that there is obvious sexual dimorphism (p < 10(-5)) of the weight of the skulls (623.44 ± 106.83 g in males; 548.07 ± 94.57 in females), the weight of the glass beads used to fill the skulls (2379.83 ± 228.92 g in males; 2095.95 ± 145.49 in females), and endocranial capacity (1676.47 cm(3) ± 161.26 in males; 1476.48 ± 102.49 in females), but overlapping between sexes is quite significant. The average ECC in male (1676.5 cm(3)) and in female (1476.5 cm(3)) subjects is higher than those previously published, which deserves some discussion.  相似文献   
745.
Asia Europe Journal - This article analyses trade flows EU-ASEAN, focusing on export performance and technological intensity, covering the years 2004–2016. The aim of this paper is to analyse...  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