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   563篇
  免费   34篇
各国政治   59篇
工人农民   57篇
世界政治   72篇
外交国际关系   33篇
法律   245篇
中国政治   5篇
政治理论   118篇
综合类   8篇
  2023年   4篇
  2022年   3篇
  2021年   5篇
  2020年   18篇
  2019年   14篇
  2018年   19篇
  2017年   20篇
  2016年   33篇
  2015年   21篇
  2014年   20篇
  2013年   117篇
  2012年   22篇
  2011年   29篇
  2010年   19篇
  2009年   16篇
  2008年   15篇
  2007年   18篇
  2006年   26篇
  2005年   17篇
  2004年   12篇
  2003年   15篇
  2002年   12篇
  2001年   10篇
  2000年   11篇
  1999年   8篇
  1998年   9篇
  1997年   6篇
  1996年   3篇
  1995年   8篇
  1994年   6篇
  1993年   5篇
  1992年   2篇
  1991年   5篇
  1990年   6篇
  1989年   3篇
  1987年   1篇
  1986年   4篇
  1985年   4篇
  1984年   4篇
  1983年   6篇
  1982年   5篇
  1977年   2篇
  1976年   1篇
  1974年   3篇
  1973年   3篇
  1969年   1篇
  1968年   1篇
  1967年   1篇
  1966年   3篇
  1939年   1篇
排序方式: 共有597条查询结果,搜索用时 15 毫秒
61.
62.
The routine production of a cast of a shoe-print taken in soil provides information other than shoe size and gait. Material adhering to the surface of the cast represents the preservation of the moment of footprint impression. The analysis of the interface between the cast and soil is therefore a potentially lucrative source of information for forensic reconstruction. These principles are demonstrated with reference to a murder case which took place in the English Midlands. The cast of a footprint provided evidence of a two-way transfer of material between the sole of a boot and the soil of a recently ploughed field. Lumps of soil, which had dried on a boot, were deposited on the field as the footprints were made. Pollen analysis of these lumps of soil indicated that the perpetrator of the imprint had been standing recently in a nearby stream. Fibre analysis together with physical and chemical characteristics of the soil suggested a provenance for contamination of this mud prior to deposition of the footprint. Carbon/nitrogen ratios of the water taken from the cast showed that distilled water had been used thus excluding the possibility of contamination of the boot-soil interface. It was possible to reconstruct three phases of previous activity of the wearer of the boot prior to leaving the footprint in the field after the murder had taken place. This analysis shows the power of integrating different independent techniques in the analysis of hitherto unrecognised forensic materials.  相似文献   
63.
The Protection of Geographical Indications After Doha: Quo Vadis?   总被引:1,自引:0,他引:1  
During the last twenty years the international protection ofgeographical indications (GIs) has experienced a worldwide resurgencespurred by both the greater need and the additional opportunitiesoffered by the global marketplace for the diversification ofagricultural products and foodstuffs. The Doha Ministerial Declarationlends support to developing countries that are seeking formsof knowledge less than high technology that they have the capacityto exploit. June 2005 saw the European Communities submit aradical proposal, designed to also meet the needs of developingcountries that would amend the Trade-Related Aspects of IntellectualProperty (TRIPS) Agreement in favour of a mandatory multilateralsystem of registration for all products. Yet, World Trade Organization(WTO) Members are as divided over their capacity to take advantageof GI protection no less than they are as to the means of regulation.To date, no ready solution to the further global harmonizationof GIs has been found. This paper examines the two major regulatorymodels advanced by the European Union and the United Statesof America for the protection of GIs. In the light of the DohaDevelopment Agenda, the authors argue in favour of an incrementalapproach that would allow developing countries the flexibilityto adjust additional protection in accordance with their levelof economic development.  相似文献   
64.
65.
Reproductive genetic technologies are becoming more controversial as they become more ubiquitous. The opponents of these technologies are largely religious groups, a fact that leads to the question of why religious groups would be more opposed to these technologies than others. Since all of these technologies are justified by their ability to relieve suffering of some kind, it is hypothesized that the actively religious have a notion of suffering different from that of advocates for these technologies, and this different notion of suffering leads to opposition to the technologies. In this article I report on a qualitative interview study of the religiously active in the United States. I find that the religiously active do have views of suffering that are distinct from the medical consensus, and these views are related to people's conclusions about the advisability of reproductive genetic technologies.  相似文献   
66.
67.
68.
69.
As organ transplantation procedures become accepted as standard medical practice, it is anticipated that the frequency of liability claims against transplant care providers will increase. This article examines current statutory and common law analyses of malpractice issues in transplantation, with particular attention given to issues of informed consent as they arise both for the organ donor and donee.  相似文献   
70.
According to law enforcement, many witnesses are intoxicated either at the time of the crime, the interview, or both (Evans et al., Public Policy Law 15(3):194-221, 2009). However, no study to date has examined whether intoxicated witnesses' recall is different from sober witnesses' and whether they are more vulnerable to misinformation using an ecologically valid experimental design. Intoxicated, placebo, and sober witnesses observed a live, staged theft, overheard subsequent misinformation about the theft, and took part in an investigative interview. Participants generally believed they witnessed a real crime and experienced a real interview. Intoxicated witnesses were not different from placebo or sober witnesses in the number of accurate details, inaccurate details, or "don't know" answers reported. All the participants demonstrated a misinformation effect, but there were no differences between intoxication levels: Intoxicated participants were not more susceptible to misinformation than sober or placebo participants. Results are discussed in the light of their theoretical and applied relevance.  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