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   445篇
  免费   18篇
各国政治   83篇
工人农民   26篇
世界政治   57篇
外交国际关系   44篇
法律   163篇
中国共产党   1篇
中国政治   6篇
政治理论   71篇
综合类   12篇
  2024年   1篇
  2023年   8篇
  2022年   3篇
  2021年   11篇
  2020年   29篇
  2019年   27篇
  2018年   30篇
  2017年   39篇
  2016年   49篇
  2015年   16篇
  2014年   20篇
  2013年   54篇
  2012年   18篇
  2011年   14篇
  2010年   6篇
  2009年   16篇
  2008年   10篇
  2007年   9篇
  2006年   8篇
  2005年   10篇
  2004年   13篇
  2003年   14篇
  2002年   12篇
  2001年   10篇
  2000年   6篇
  1999年   3篇
  1998年   8篇
  1997年   3篇
  1996年   1篇
  1994年   3篇
  1993年   2篇
  1991年   1篇
  1990年   1篇
  1985年   1篇
  1984年   1篇
  1972年   1篇
  1970年   1篇
  1967年   1篇
  1966年   2篇
  1957年   1篇
排序方式: 共有463条查询结果,搜索用时 15 毫秒
11.
X-ray photoelectron spectroscopy (XPS) is a widely used technique to characterize the surface chemistry of materials. It plays a crucial role in accessing qualitative and quantitative information and in detecting the presence of chemical functional groups on the surface of any material. The forensic methods available to detect and identify elements and organic/inorganic compounds are often destructive, so evidence cannot be re-analyzed. However, XPS allows rapid analysis of samples without damaging them. Recently, an increasing number of forensic researchers have begun to study certain chemical information on fingermarks. In this study, the authors aimed to present the applicability and power of XPS imaging in fingermark analysis which can also provide specific information about the fingermark chemical composition. Herein, monochromated X-ray (Al Kα) spot size was fixed at 50 μm. XPS mapping resulted in the acquisition of spectra at each pixel, in an array of 41 × 30 pixels with a step size of 50 μm. Then, a simple discussion has been made about how the scanned surface spectrum and basic snapshot spectra are used to identify different components at a fingertip of a scanned surface area (~3 mm2). Hence, a fingermark pattern contaminated with caffeine, TiO2, and Pb/PbO deposited on the silicon wafer can be chemically mapped and visualized by XPS using principal component analysis (PCA). Thus, the present study showed the possible applicability of XPS for the identification of illicit drugs of abuse, gunshot residue, and skin care products on latent fingermark by mimicking a crime scene evidence.  相似文献   
12.
13.
In 2013, Gezi Park housed perhaps the most significant democratic protest of the Turkish Republic’s history. The Gezi protests have drawn the attention of many democratic theorists since then. What is surprising about these theorists’ commentaries on Gezi is that in none of them is it possible to find an account of political practices that enabled actors with such different interests and worldviews to act in concert during this moment of popular action. This article argues that to attend fully to the unique features of events such as Gezi, we need to develop an alternative conceptualization of democratic action that brings to light such mediatory political practices. To develop that alternative, I turn to Aristotle and creatively appropriate his notion of “political friendship.” Interpreted as an ethico-political notion, which refers to a set of mediating practices, political friendship becomes a rich conceptual resource that lays bare the dynamics of democratic popular action.  相似文献   
14.
15.
Since the Moroccan invasion in 1975, official reports on visits to Sahrawi refugee camps by international aid agencies and faith-based groups consistently reflect an overwhelming impression of gender equality in Sahrawi society. As a result, the space of the Sahrawi refugee camps in Algeria and, by external association, Sahrawi society and Western Sahara as a nation-in-exile is constructed as ‘ideal’ (Fiddian-Qasmiyeh, 2010, p. 67). I suggest that the ‘feminist nationalism’ of the Sahrawi nation-in-exile is one that is employed strategically by internal representatives of the Popular Front for the Liberation of Saguia el-Hamra and Río de Oro (POLISARIO), the Sahrawi Arab Democratic Republic (SADR) and the National Union of Sahrawi Women (NUSW), and by external actors from international aid agencies and also the colonial Moroccan state. The international attention paid to the active role of certain women in Sahrawi refugee camps makes ‘Other’ Sahrawi invisible, such as children, young women, mothers, men, people of lower socio-economic statuses, (‘liberated’) slave classes and refugees who are not of Sahrawi background. According to Elena Fiddian-Qasmiyeh (ibid.), it also creates a discourse of ‘good’, ‘ideal’ refugees who are reluctant to complain, in contrast to ‘Other refugees’. This feminisation allows the international community not to take the Sahrawi call for independence seriously and reproduces the myth of Sahrawi refugees as naturally non-violent (read feminine) and therefore ‘ideal’. The myth of non-violence accompanied by claims of Sahrawi secularity is also used to distance Western Sahara from ‘African’, ‘Arab’ and ‘Islamic’, to reaffirm racialised and gendered discourses that associate Islam with terrorism and situate both in the Arab/Muslim East. These binaries make invisible the violence that Sahrawis experience as a result of the gendered constructions of both internal and external actors, and silence voices of dissent and frustration with the more than forty years of waiting to return home.  相似文献   
16.
Five years on from the Tunisian revolution, Tunisia stands as the sole success story of the Arab Spring. The country since then has managed to adopt a pluralist and democratic constitution, and held three free and fair elections. Accordingly, in the eyes of several observers, Tunisia is now in the process of consolidating its new democracy. However, the reality on the ground seems much gloomier, as most recent opinion surveys suggest that there is a significant degree of dissatisfaction, not only with political parties and Parliament but also with the very institution of democracy. Nevertheless, what accounts for this change? After the collapse of the long-lasting and oppressive Ben Ali regime, how, just in five years, has Tunisians’ confidence in the democratic process changed? This article accounts for this state of affairs from a party politics view, arguing that political parties, which are the main protagonists of the consolidation process, fail to fulfill their role of acquiring legitimacy for the new regime. While party–state relations seem to be stabilized due to the inclusiveness of the constitution-making process, both inter-party relationships and the relationship between parties and society suffer from numerous flaws which, in turn, hamper the democratic consolidation process.  相似文献   
17.
Right-wing populist parties portray immigrants as economic or symbolic threats in their political advertisements by constructing a moral divide between the “good” ordinary people and “bad” immigrants. Yet, it remains unclear how these different threat appeals contribute to the formation of anti-immigrant attitudes among citizens and what role visual elements play in producing these effects. A survey-experiment with a quota sample of 471 participants reveals that, overall, symbolic threat appeals exert stronger effects on anti-immigrant attitudes than economic ones. When presented via text alone, only symbolic—not economic—threat appeals increased anti-immigrant attitudes via the activation of heuristic processing such as the reliance on negative stereotypes or feelings of anxiety, in particular among lower-educated citizens. When visuals were present, both types of threat appeals enhanced anti-immigrant attitudes among citizens across all education levels based on heuristic processing. Additionally, high image-text congruency induced cognitive argument approval resulting in higher anti-immigrant attitudes.  相似文献   
18.
The aim of this study is to define organizational citizenship levels of physicians working in public hospitals. The population of the study consists of the physicians employed in the hospitals run by the Ministry of Health in Istanbul. The Organizational Citizenship Level Scale was used for the collection of data. It was found that the participants’ organizational citizenship levels were the highest in the “conscience” subsection and the lowest in the “praising the organization” subsection. Findings of this study provide clear information for the decision-makers and hospital managers in developing working conditions of physicians in public hospitals.  相似文献   
19.
This study sought to learn from Latino immigrant parents which and how state-level immigration policies impact their families. Fifty-four Latino immigrant parents participated in interviews. Constructivist grounded theory methods were used to complete the analysis. Results indicate that fear of detainment, deportation, and family separation affects participants emotionally and behaviorally. Participants experience exploitive practices in the workplace and through traffic infractions. Social support networks are constantly changing and weakened when families relocate in search of immigrant friendly communities. Simultaneously, parents develop strategies to protect their families against stringent immigration enforcement. Implications for practice, policy, and research are discussed.  相似文献   
20.
Guillermo O’Donnell’s influential work ‘Delegative Democracy’ set the discourse on a peculiar type of democracy. Lying between representative democracy and authoritarianism, the uniqueness of delegative democracy lies in its features, including an absence of horizontal accountability, strong centralised rule, individual leadership with unchecked powers, a cult figure embodying the nation and clientelist practices. While delegative democracies seem to arise out of presidential systems, Turkey, though a parliamentary system, has also displayed the distinctive features of delegative democracies. This paper identifies three characteristics of delegative democracy, which are responsible for the lack of democratic consolidation, if not the erosion of democracy itself: anti-institutionalism, an anti-political agenda and clientelism. Arguing that delegative democracy is the best concept with which to examine contemporary Turkey, the paper lays out how, post-2011, Turkey has demonstrated the three elements of delegative democracy. The final section discusses the implications of the Turkish case for scrutinising the very possibility of delegative democracy in parliamentary regimes.  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