全文获取类型
收费全文 | 1706篇 |
免费 | 57篇 |
专业分类
各国政治 | 144篇 |
工人农民 | 113篇 |
世界政治 | 114篇 |
外交国际关系 | 101篇 |
法律 | 887篇 |
中国政治 | 8篇 |
政治理论 | 396篇 |
出版年
2023年 | 11篇 |
2022年 | 14篇 |
2021年 | 26篇 |
2020年 | 44篇 |
2019年 | 52篇 |
2018年 | 91篇 |
2017年 | 95篇 |
2016年 | 84篇 |
2015年 | 78篇 |
2014年 | 69篇 |
2013年 | 258篇 |
2012年 | 121篇 |
2011年 | 97篇 |
2010年 | 58篇 |
2009年 | 61篇 |
2008年 | 64篇 |
2007年 | 83篇 |
2006年 | 45篇 |
2005年 | 48篇 |
2004年 | 41篇 |
2003年 | 32篇 |
2002年 | 38篇 |
2001年 | 28篇 |
2000年 | 35篇 |
1999年 | 24篇 |
1998年 | 10篇 |
1997年 | 9篇 |
1996年 | 12篇 |
1995年 | 7篇 |
1994年 | 6篇 |
1993年 | 4篇 |
1992年 | 8篇 |
1991年 | 5篇 |
1990年 | 7篇 |
1989年 | 5篇 |
1986年 | 4篇 |
1984年 | 7篇 |
1983年 | 9篇 |
1982年 | 7篇 |
1979年 | 8篇 |
1978年 | 5篇 |
1974年 | 3篇 |
1973年 | 4篇 |
1972年 | 3篇 |
1970年 | 4篇 |
1967年 | 3篇 |
1966年 | 3篇 |
1965年 | 3篇 |
1958年 | 3篇 |
1957年 | 3篇 |
排序方式: 共有1763条查询结果,搜索用时 9 毫秒
41.
Carin Björngren Cuadra 《Journal of immigrant & refugee studies》2015,13(3):302-320
The aim is to explore experiences and considerations of social workers regarding irregular migrants, understood as being prone to be “collateral damage.” It is revealed that some social workers approve assistance exceeding that which can find support in the national legislation. They are hereby addressing the normative conditions for recognition and installing new frames for apprehending irregular migrants. This process is referred to as a reframing of recognizability. By exceeding the limits of “belonging,” social workers question their profession's national link as well as the inability of a nationally anchored understanding of social work to deal with irregular migrants. 相似文献
42.
Cristiane Barbosa D'Oliveira Matielo M.S. Rafael Plá Matielo Lemos Ph.D. Deise Schröder Sarzi M.S. Lilian de Oliveira Machado Ph.D. Dalvan Carlos Beise Bac. Priscila Caroline Thiago Dobbler M.S. Renata Machado Castro Bac. Mauro Sander Fett Ph.D. Luiz Fernando Würdig Roesch Ph.D. Flávio Anastácio de Oliveira Camargo Ph.D. Valdir Marcos Stefenon Ph.D. 《Journal of forensic sciences》2020,65(1):259-265
DNA is one of the fastest growing tools in forensic sciences, increasing reliability in forensic reports and judgments. The use of DNA has increased in different areas of the forensic sciences, such as investigation of plant species, where plastid DNA has been used to elucidate and generate evidence in cases of traceability of genetically modified and controlled plants. Even with several advances and the practice of using DNA in forensic investigations, there are just few studies related to the identification of genetic tools for the characterization of drug and nondrug-types of Cannabis. Herein, the whole plastomes of two drug-type Cannabis are presented and have their structures compared with other Cannabis plastomes deposited in the GenBank, focusing in the forensic use of plastome sequences. The plastomes of Cannabis sativa “Brazuka” and of the hybrid Cannabis AK Royal Automatic presented general structure that does not differs from the reported for other C. sativa cultivars. A phylogenomic analyses grouped C. sativa “Brazuka” with the nondrug C. sativa cultivars, while the hybrid Cannabis AK Royal Automatic placed isolated, basal to this group. This suggests that the analysis of plastomes is useful toward genetic identification of hybrids in relation to C. sativa. 相似文献
43.
Law and Critique - In 2016, the international community, in reaction to the growing number of ‘tragedies’ occurring as people attempted to move across borders, met to discuss large... 相似文献
44.
Social Justice Research - A cross-national study with university students from Germany (n?=?1135) and Turkey (n?=?634) tested whether personal belief in a just world (PBJW)... 相似文献
45.
46.
In order to better understand why some children retaliate when they feel provoked and others do not, the present study identified “pacifistically-oriented” children who made negative interpretations in response to unambiguous provocations, yet did not endorse revenge goals, and compared them to “revenge-seeking” children who also made negative interpretations but did endorse revenge goals. Groups were identified based on seventh graders’ (N?=?367; 54.77% male; 22.89% racial/ethnic minority) responses to hypothetical situations in which a peer excluded and insulted them. Comparing these groups revealed that Pacifists endorsed relationship-maintaining goals and emotion regulation goals more highly than Revenge-Seekers. Revenge-Seekers reported more anger and endorsed beliefs about negative reciprocity and aggression being legitimate more highly than Pacifists. Additionally, Revenge-Seekers were more disrespect sensitive than were Pacifists, based on a measure of vigilance for signs of disrespect and expectations that others would disrespect them. Together these findings point to social-cognitive and emotion-related processes that may inhibit revenge-seeking in unambiguous provocation situations, even when children interpret the peer’s behavior quite negatively. 相似文献
47.
48.
Against a backdrop of increased levels of marketization of welfare services in OECD countries, this article aims to shed light on the separate effects of private ownership and competition for the market on service quality. Using residential elder care homes in Sweden as our case, we leverage unique panel data of ownership and competition against a set of indicators, pertaining to the structure, process, and outcome dimensions of care quality. The main finding of our analyses is that competition for the market does surprisingly little for quality: private entrepreneurs perform neither better nor worse under stiff competition and the quality of care is approximately the same in those nursing homes that are exposed to the market as in those that are not. 相似文献
49.
In this paper we analyse possible effects of insurance on child labour. First, we develop a theoretical model that separates effects of insurance with and without a shock taking place. We then empirically test the hypotheses derived from the model by analysing the extension of a health insurance product in urban Hyderabad in Pakistan. Consistent with the theoretical model we develop in this paper, the reduction in child labour caused by the extension is largely due to an ex-ante feeling of protection as opposed to an ex-post shock-mitigation effect. 相似文献
50.
Oscar W. Gabriel Ulf Bohmann Daniel Gaus Emanuel Richter Annika Frisch Helga Haftendorn Dirk Berg-Schlosser Frank Bönker Dennis-Jonathan Mann Christian Tuschhoff Karsten Schmitz Jared Sonnicksen Heinrich Pehle Marco Schäferhoff Wilhelm Bleek Jürgen Petersen 《Politische Vierteljahresschrift》2009,50(3):646-690