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Reviewing the study of US policy towards Africa: from intellectual ‘backwater’ to theory construction

White Men Don't Have Juju: An American Couple's Adventure Through Africa. Pam Ascanio, Chicago, IL: The Noble Press, 1992. 345 pp.

Beyond Safaris: A Guide to Building People‐to‐People Ties With Africa. Kevin Danaher, Trenton, NJ: Africa World Press, 1991. 193 pp.

Free at Last? US Policy Toward Africa and the End of the Cold War. Michael Clough, New York: Council on Foreign Relations Press, 1992. 145 pp.

US Economic Policy Toward Africa. Jeffrey Herbst, New York: Council on Foreign Relations Press, 1992. 82 pp.

High Noon in Southern Africa: Making Peace in a Rough Neighborhood. Chester A Crocker, New York: W W Norton, 1992. 533p

African Americans and US Policy Toward Africa 1850–1925: In Defense of Black Nationality. Elliott P Skinner, Washington, DC: Howard University Press, 1992. 555 pp.

An African American in South Africa: The Travel Notes of Ralph J Bunche. 28 September 1937–1 January 1938. Robert R Edgar, (ed), Athens, OH: Ohio University Press; Johannesburg: Witwatersrand University Press, 1992. 398 pp.

Mobutu or Chaos? The United States and Zaire, 1960–1990. Michael G Schatzberg, Lanham, MD: University Press of America; Philadelphia, PA: Foreign Policy Research Institute, 1991. 115 pp.

The United States, Great Britain, and Egypt, 1945–1956: Strategy and Diplomacy in the Early Cold War. Peter L Hahn, Chapel Hill, NC: The University of North Carolina Press, 1992. 359 pp.

Nigeria, Africa, and the United States From Kennedy to Reagan. Robert B Shepard, Bloomington, IN: Indiana University Press, 1991. 193 pp.

American Intellectuals and African Nationalists, 1955–1970. Martin Staniland, New Haven, CT: Yale University Press, 1991. 310 pp.

The Political Economy of Third World Intervention: Mines, Money, and US Policy in the Congo Crisis. David N Gibbs, Chicago, IL: University of Chicago Press, 1991. 322 pp.

Arms for the Horn: US Security Policy in Ethiopia and Somalia 1953–1991. Jeffrey A Lefebvre, Pittsburgh, PA: University of Pittsburgh Press, 1991. 351 pp.

Latin American church and politics

Politics and the Catholic Church in Nicaragua. John M Kirk, Gainesville, FL: University Press of Florida, 1992. 246 pp.

Popular Voices in Latin American Catholicism. Daniel H Levine, Princeton, NJ: Princeton University Press, 1992. 403 pp.

Kingdoms Come: Religion and Politics in Brazil. Rowan Ireland, Pittsburgh, PA: University of Pittsburgh Press, 1991. 262 pp.

Commentaries on Muslim Women

Women in Middle Eastern History: Shifting boundaries in sex and gender. Nikki R Keddie and Beth Baron (eds), New Haven, CT: Yale University Press, 1991. 333 pp. £19.95 hb

Women and Gender in Islam. Leila Ahmed, New Haven, CT: Yale University Press, 1992. 248 pp.

Women, Islam and the State,. Deniz Kadiyoti (ed), London: Macmillan Press, 1991. 271 pp.

Negritude and Africa: Armah's account  相似文献   
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Tobacco consumption is a global epidemic responsible for a vast burden of disease. With pharmacological properties sought-after by consumers and responsible for addiction issues, nicotine is the main reason of this phenomenon. Accordingly, smokeless tobacco products are of growing popularity in sport owing to potential performance enhancing properties and absence of adverse effects on the respiratory system. Nevertheless, nicotine does not appear on the 2011 World Anti-Doping Agency (WADA) Prohibited List or Monitoring Program by lack of a comprehensive large-scale prevalence survey. Thus, this work describes a one-year monitoring study on urine specimens from professional athletes of different disciplines covering 2010 and 2011. A method for the detection and quantification of nicotine, its major metabolites (cotinine, trans-3-hydroxycotinine, nicotine-N'-oxide and cotinine-N-oxide) and minor tobacco alkaloids (anabasine, anatabine and nornicotine) was developed, relying on ultra-high pressure liquid chromatography coupled to triple quadrupole mass spectrometry (UHPLC-TQ-MS/MS). A simple and fast dilute-and-shoot sample treatment was performed, followed by hydrophilic interaction chromatography-tandem mass spectrometry (HILIC-MS/MS) operated in positive electrospray ionization (ESI) mode with multiple reaction monitoring (MRM) data acquisition. After method validation, assessing the prevalence of nicotine consumption in sport involved analysis of 2185 urine samples, accounting for 43 different sports. Concentrations distribution of major nicotine metabolites, minor nicotine metabolites and tobacco alkaloids ranged from 10 (LLOQ) to 32,223, 6670 and 538 ng/mL, respectively. Compounds of interest were detected in trace levels in 23.0% of urine specimens, with concentration levels corresponding to an exposure within the last three days for 18.3% of samples. Likewise, hypothesizing conservative concentration limits for active nicotine consumption prior and/or during sport practice (50 ng/mL for nicotine, cotinine and trans-3-hydroxycotinine and 25 ng/mL for nicotine-N'-oxide, cotinine-N-oxide, anabasine, anatabine and nornicotine) revealed a prevalence of 15.3% amongst athletes. While this number may appear lower than the worldwide smoking prevalence of around 25%, focusing the study on selected sports highlighted more alarming findings. Indeed, active nicotine consumption in ice hockey, skiing, biathlon, bobsleigh, skating, football, basketball, volleyball, rugby, American football, wrestling and gymnastics was found to range between 19.0 and 55.6%. Therefore, considering the adverse effects of smoking on the respiratory tract and numerous health threats detrimental to sport practice at top level, likelihood of smokeless tobacco consumption for performance enhancement is greatly supported.  相似文献   
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Anti-doping authorities have high expectations of the athlete steroidal passport (ASP) for anabolic-androgenic steroids misuse detection. However, it is still limited to the monitoring of known well-established compounds and might greatly benefit from the discovery of new relevant biomarkers candidates. In this context, steroidomics opens the way to the untargeted simultaneous evaluation of a high number of compounds. Analytical platforms associating the performance of ultra-high pressure liquid chromatography (UHPLC) and the high mass-resolving power of quadrupole time-of-flight (QTOF) mass spectrometers are particularly adapted for such purpose. An untargeted steroidomic approach was proposed to analyse urine samples from a clinical trial for the discovery of relevant biomarkers of testosterone undecanoate oral intake. Automatic peak detection was performed and a filter of reference steroid metabolites mass-to-charge ratio (m/z) values was applied to the raw data to ensure the selection of a subset of steroid-related features. Chemometric tools were applied for the filtering and the analysis of UHPLC-QTOF-MS(E) data. Time kinetics could be assessed with N-way projections to latent structures discriminant analysis (N-PLS-DA) and a detection window was confirmed. Orthogonal projections to latent structures discriminant analysis (O-PLS-DA) classification models were evaluated in a second step to assess the predictive power of both known metabolites and unknown compounds. A shared and unique structure plot (SUS-plot) analysis was performed to select the most promising unknown candidates and receiver operating characteristic (ROC) curves were computed to assess specificity criteria applied in routine doping control. This approach underlined the pertinence to monitor both glucuronide and sulphate steroid conjugates and include them in the athletes passport, while promising biomarkers were also highlighted.  相似文献   
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Turkey is a case of a Muslim-majority country that has known an experience of representative democracy almost uninterrupted since the Second World War. The historical passages that have characterized the path to democracy in Turkey have configured the current set of powers. The aim of this article is to explore how the democratization process in Turkey is relevant in procedural, substantive, and result terms. In the first part is undertaken a historical overview from the perspective of modernization and democratic consolidation carried out by Turkey, also on the basis of the ability to meet the requirements of the Copenhagen political criteria. The second part investigates eight dimensions in which democracy spreads its effects in order to assess the quality of democracy of Turkey.  相似文献   
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