全文获取类型
收费全文 | 1128篇 |
免费 | 73篇 |
专业分类
各国政治 | 97篇 |
工人农民 | 63篇 |
世界政治 | 168篇 |
外交国际关系 | 84篇 |
法律 | 612篇 |
中国政治 | 1篇 |
政治理论 | 176篇 |
出版年
2023年 | 17篇 |
2022年 | 14篇 |
2021年 | 28篇 |
2020年 | 44篇 |
2019年 | 48篇 |
2018年 | 76篇 |
2017年 | 65篇 |
2016年 | 65篇 |
2015年 | 40篇 |
2014年 | 62篇 |
2013年 | 182篇 |
2012年 | 50篇 |
2011年 | 41篇 |
2010年 | 24篇 |
2009年 | 22篇 |
2008年 | 34篇 |
2007年 | 35篇 |
2006年 | 35篇 |
2005年 | 29篇 |
2004年 | 34篇 |
2003年 | 33篇 |
2002年 | 22篇 |
2001年 | 26篇 |
2000年 | 33篇 |
1999年 | 10篇 |
1998年 | 7篇 |
1997年 | 4篇 |
1996年 | 4篇 |
1995年 | 5篇 |
1994年 | 10篇 |
1993年 | 8篇 |
1992年 | 7篇 |
1991年 | 7篇 |
1990年 | 5篇 |
1989年 | 4篇 |
1988年 | 6篇 |
1987年 | 6篇 |
1985年 | 3篇 |
1984年 | 2篇 |
1983年 | 2篇 |
1982年 | 4篇 |
1980年 | 4篇 |
1979年 | 6篇 |
1978年 | 5篇 |
1977年 | 2篇 |
1973年 | 8篇 |
1972年 | 2篇 |
1971年 | 7篇 |
1965年 | 4篇 |
1963年 | 2篇 |
排序方式: 共有1201条查询结果,搜索用时 15 毫秒
881.
Jorge Iván Vergara Daniela Leyton Legües Mauricio Sepúlveda Galeas Germán Lagos Sepúlveda Carolina Tavares Peixoto Ana Vergara Del Solar 《Bulletin of Latin American research》2023,42(2):283-301
This article aims to reconstruct the social imaginaries of Coronavirus disease 2019 (COVID-19) in Chile. We seek to understand how families interpret their experience confronting the pandemic by identifying four main aspects: (a) the COVID-19 pandemic, (b) working and learning, (c) health and (d) family life. Following Habermas' distinction between lifeworld and social systems, we consider these issues as constituting the social imaginary of lifeworld, different but related to the imaginaries of social systems. The qualitative empirical data was gathered through a sample of 38 families interviewed online between September 2020 and January 2021 in four Chilean cities: Iquique, Valparaíso, Santiago and Concepción. Other complementary sources of information are multimodal ethnography (digital diaries), press articles and state reports. 相似文献
882.
This article tests the effects of a new electoral system in Hungary that was introduced by the governing FIDESZ party in 2011. We are especially concerned with the shape of single-member district (SMD) level electoral competition following a significant transformation that tends to be viewed as serving FIDESZ's goal of preserving its constitutional majority. The results show not only transformation of Hungarian electoral politics between 2010 and 2018 elections but also the fact that the return of bipolarization is far from reality in Hungarian electoral politics. On one hand, the reform resulted in an increased number of districts with clear dominance of the two strongest parties nationally, but on the other hand, this trend was connected to asymmetrical bipartism, with clear advantage of the FIDESZ. Furthermore, there was a persistently high number of SMDs where the competition took place between the FIDESZ and one of the third-place parties. 相似文献
883.
884.
Věra Stojarová 《Southeast European and Black Sea Studies》2020,20(1):161-181
ABSTRACTThe contribution assesses the role of the media in respect to democratization and EU accession in the countries of the Western Balkans (WB) and the development of press freedom over the long run. The author closely analyses the legislative framework and its implementation in practice and focuses in particular on the economic and political pressure on the media in the region. The article offers three arguments to explain the bad shape of media freedom in the Balkans: structural factors (state advertisements as the main source of income, economic tycoons close to incumbents as media owners), proximate or external factors (the deteriorating level of media freedom in some EU countries and the whole WB region, with an accent on stability rather than democracy) and political-societal dynamics (defamation and libel as means to punish journalists, verbal and physical assaults on journalists). The media in the WB region do not serve as the watchdog of democracy but are instead used as a means to reinforce illiberal regimes. 相似文献
885.
Fernández-Fernández I Castro A Buján M Cuevas N García-Orad A de Pancorbo MM 《Journal of forensic sciences》2000,45(5):1083-1086
A population study of unrelated individuals from the Basque Country (Northern Spain) was carried out using the GenePrint STR System. The PCR products were separated on denaturing polyacrylamide gels and visualized by silver staining. Three tetrameric loci were evaluated: HumF13A01, HumFXIIIB, and HumLIPOL. All loci fit Hardy-Weinberg expectations, and independence of alleles was found between these STR loci. A comparison with other population groups indicated allele frequencies are well conserved in Caucasians, but differ from other racial groups. The calculated parameters a priori probability of exclusion (Pex) and "power of discrimination" (PD) show how informative these loci are for the determination of identity and relatedness of individuals. 相似文献
886.
887.
González-Neira A Gusmão L Brión M Lareu MV Amorim A Carracedo A 《Forensic science international》2000,110(2):117-126
Seven Y-specific STR loci (DYS19, DYS389I, DY5389II, DYS390, DYS391, DYS392 and DYS393) were studied in five populations from the Iberian Peninsula: Andalusia, Valencia, Basque Country, Galicia and Northern Portugal. Haplotype and allele frequencies of these seven Y-chromosome STRs were estimated. Observed haplotype diversities are in a range between 0.96 (Basque Country) and 0.99 (Valencia and Andalusia). Significant population differentiation was registered between Basques and all the other Iberian populations and also between Valencia and Northern Portugal. 相似文献
888.
Drugs in prehistory: chemical analysis of ancient human hair 总被引:1,自引:0,他引:1
Báez H Castro MM Benavente MA Kintz P Cirimele V Camargo C Thomas C 《Forensic science international》2000,108(3):173-179
Concern about drug abuse in modern populations has led to the development of specific methods for identification of cocaine, opiates and cannabis in human hair. Drug use in prehistory can provide indirect evidence of interpopulational contact and social stratification. This paper reports drug evaluation in nineteen ancient hair samples from archaeological sites in northern Chile. Each sample was tested for the presence of traces of cocaine, opiates and cannabis, in order to establish a standard methodology for studies of drug use among prehistoric groups. Although results are negative, this absence of evidence could be due to two main causes: (1) the individuals evaluated did not use any drugs, which does not mean that other members of their cultural group did, or (2) the wide range of known drugs studied did not consider some group specific drugs, derived from local or imported plants, thus meaning that a greater drug range must be tested. In any case, our study confirms that drug testing in prehistoric samples is viable. However, in order to determine what kind of substances were used in prehistoric times new patterns that incorporate all drugs which are not part of the western pharmacopeia must be created. Finally, a methodology for the study of drug use among prehistoric groups using ancient hair samples is described. 相似文献
889.
Estrada Pedro R. Torres Bagatella Juan C. Montero Ferrel Carlos Vázquez Mariño Sylvia C. García 《Crime, Law and Social Change》2021,76(4):387-407
Crime, Law and Social Change - Given its vast border with the United States, Mexico is a strategic trade and economic development region, which creates significant challenges in combating crime and... 相似文献
890.
Many studies suggest that mixed‐member electoral systems produce different attitudes and behaviors among representatives. This article assesses how this type of electoral system shapes Bolivian legislators' perceptions of their roles as representatives, their district activities, and their relationships with their political parties. It examines these dimensions using elite survey data and interviews with legislators and their personal assistants. The results show that the electoral system does not produce a uniform impact. It shapes how legislators perceive their role as representatives and the nature of the relationship they build with their political parties, but it does not produce differences in the kinds of activities that both types of legislators carry out in their districts. 相似文献