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   3827篇
  免费   64篇
各国政治   108篇
工人农民   118篇
世界政治   173篇
外交国际关系   151篇
法律   2819篇
中国政治   28篇
政治理论   456篇
综合类   38篇
  2020年   38篇
  2019年   40篇
  2018年   61篇
  2017年   48篇
  2016年   74篇
  2015年   31篇
  2014年   55篇
  2013年   306篇
  2012年   97篇
  2011年   140篇
  2010年   84篇
  2009年   72篇
  2008年   120篇
  2007年   130篇
  2006年   131篇
  2005年   96篇
  2004年   127篇
  2003年   120篇
  2002年   119篇
  2001年   157篇
  2000年   143篇
  1999年   111篇
  1998年   23篇
  1995年   22篇
  1994年   25篇
  1993年   30篇
  1992年   75篇
  1991年   89篇
  1990年   91篇
  1989年   92篇
  1988年   101篇
  1987年   98篇
  1986年   83篇
  1985年   79篇
  1984年   68篇
  1983年   62篇
  1982年   28篇
  1981年   24篇
  1979年   38篇
  1978年   40篇
  1977年   27篇
  1976年   32篇
  1975年   34篇
  1974年   40篇
  1973年   39篇
  1972年   37篇
  1971年   40篇
  1970年   41篇
  1969年   34篇
  1968年   32篇
排序方式: 共有3891条查询结果,搜索用时 15 毫秒
901.
Political discussion matters for a wide array of political phenomena such as attitude formation, electoral choice, other forms of participation, levels of political expertise, and tolerance. Thus far, research on the underpinnings of political discussion has focused on political, social, and contextual forces. We expand upon this existing research by examining how individual personality traits influence patterns of political discussion. Drawing on data from two surveys we investigate how personality traits influence the context in which citizens discuss politics, the nature of the relationship between individuals and their discussion partners, and the influence discussion partners have on respondents’ views. We find a number of personality effects and our results highlight the importance of accounting for individual predispositions in the study of political discussion.  相似文献   
902.
903.
The purpose of this study was to examine both the family antecedents and the outcomes of early puberty, with a particular focus on factors related to family socioeconomic status (SES). The study employed a comprehensive measurement of pubertal development and longitudinal data from the Canadian National Longitudinal Survey of Children and Youth. The sample (N = 8,440; 49% girls) included four cohorts of children who were followed biennially for 10 years, starting from age 4–11 to 14–21 years. Data were drawn at different years of age from these cohorts of children. Girls whose fathers were unemployed were more likely to experience early puberty than those whose fathers were employed. For boys, those living with fathers who had not finished secondary school were more likely to experience early puberty. Early maturing girls tended to engage in smoking and drinking at an earlier age compared with their peers. These findings provide support for psychosocial acceleration theory and suggest that different aspects of low family SES may act as a psychosocial stress for early pubertal maturation in boys versus girls, which may lead to engagement in drinking and smoking at a younger age, at least for girls.  相似文献   
904.
On February 4, 2010 the Illinois Supreme Court struck down Illinois' medical practice reform bill, P.A. 94-677, when it decided Lebron v. Gottlieb Memorial Hospital. Although the court only considered the unconstitutionality of the cap on non-economic damages contained in that bill, an inseverability provision resulted in the invalidation of all of its provisions. The end result of the Lebron decision extends much further than the striking of the cap on non-economic damages. It affects such areas as medical liability insurance law, physician discipline, public disclosure of information, the admissibility of physician statements into evidence, and expert witness standards. The Lebron holding has raised a significant obstacle to the implementation of a wide range of legislative measures intended to improve both the delivery and quality of healthcare services in Illinois. This article explains the impact of Lebron in these collateral, but important, areas of the law.  相似文献   
905.
The article presents a discussion of judicial stress, along with proposed solutions. The authors gathered information on the topic of judicial stress from judges via a survey and attendance at two Association of Family and Conciliation Courts (AFCC) conventions. Some of the daily stressors endorsed by judges included endless caseloads, severe time limitations, social isolation, lack of privacy, and the weight of deciding the fates of others. It is important for our judges to be provided with ways of relieving and preventing burnout and stress. Proposed bench stress solutions include incorporating the Psychologist Advocate Program into the judicial system and creating specific guidelines for judges to take sabbaticals, which will serve to enhance our judicial system and the entire community.  相似文献   
906.
907.
908.
The objective of this study was to document patterns of fracture on infant porcine skulls aged 2-28 days (n = 57) because of a single, high energy blunt impact to the parietal bone with rigid (nondeformable) and compliant (deformable) interfaces. Fracture patterns were mapped using Geographic Information System software. For the same generated impact force, the rigid interface produced more fractures than the compliant interface for all ages. This study also showed that this increased level of impact energy versus an earlier study using a lower energy resulted in new sites of fracture initiation and also caused previously defined fractures that propagate into an adjacent bone. Several unique characteristics of bone and diastatic fracture were documented as a function of specimen age, impact energy, and interface. These data describe some baseline characteristics of skull fracture using an animal model that may help guide future studies from forensic case files.  相似文献   
909.
Using desorption/ionization techniques such as easy ambient sonic-spray ionization mass spectrometry (EASI-MS), it is possible to analyze documents of Brazilian vehicles for authenticity, providing a chemical profile directly from the surface of each document. A method for the detection of counterfeit documents is described, and the falsification procedure is elucidated. Forty authentic and counterfeit documents were analyzed by both positive and negative ion modes, EASI(±)-MS. EASI(+)-MS results identified the presence of (bis(2-ethylhexyl)phthalate plasticizer and of dihexadecyldimethylammonium biocide in both types of documents. For EASI(-)-MS results, the 4-octyloxybenzoic acid additive ([M + H](+): m/z 249) is present only in counterfeit documents. It was also found that counterfeit vehicle documents are produced via Laserjet printers. Desorption/ionization techniques, such as EASI-MS, offer therefore, an intelligent way to characterize the counterfeiting method.  相似文献   
910.
The history of the Department of Forensic Medicine of I.M. Sechenov First Moscow State Medical University is highlighted based on the results of the studies of the relevant literature data and archival materials. The authors lay special emphasis on the organization of the teaching process and research at different stages of the development of the Department, scientific and forensic medical activities of its leading specialists, materials obtained in the course of research, and the contribution to the development of forensic medicine made by outstanding scientists.  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