全文获取类型
收费全文 | 941篇 |
免费 | 39篇 |
专业分类
各国政治 | 49篇 |
工人农民 | 91篇 |
世界政治 | 96篇 |
外交国际关系 | 66篇 |
法律 | 417篇 |
中国共产党 | 1篇 |
中国政治 | 9篇 |
政治理论 | 245篇 |
综合类 | 6篇 |
出版年
2023年 | 14篇 |
2022年 | 16篇 |
2021年 | 11篇 |
2020年 | 43篇 |
2019年 | 49篇 |
2018年 | 51篇 |
2017年 | 48篇 |
2016年 | 48篇 |
2015年 | 26篇 |
2014年 | 41篇 |
2013年 | 148篇 |
2012年 | 31篇 |
2011年 | 44篇 |
2010年 | 27篇 |
2009年 | 24篇 |
2008年 | 29篇 |
2007年 | 46篇 |
2006年 | 35篇 |
2005年 | 28篇 |
2004年 | 36篇 |
2003年 | 28篇 |
2002年 | 27篇 |
2001年 | 15篇 |
2000年 | 11篇 |
1999年 | 10篇 |
1998年 | 5篇 |
1997年 | 5篇 |
1996年 | 4篇 |
1995年 | 6篇 |
1994年 | 6篇 |
1993年 | 6篇 |
1992年 | 4篇 |
1991年 | 3篇 |
1990年 | 3篇 |
1988年 | 4篇 |
1987年 | 8篇 |
1986年 | 4篇 |
1985年 | 3篇 |
1984年 | 3篇 |
1983年 | 2篇 |
1982年 | 4篇 |
1981年 | 2篇 |
1980年 | 2篇 |
1979年 | 4篇 |
1978年 | 4篇 |
1977年 | 2篇 |
1974年 | 3篇 |
1973年 | 2篇 |
1971年 | 2篇 |
1963年 | 1篇 |
排序方式: 共有980条查询结果,搜索用时 0 毫秒
51.
Ohne Zusammenfassung 相似文献
52.
Alexander Thumfart Grit Straßenberger Steffen Ganghof Beate Rosenzweig Oliver Eberl Raimund Ottow Peter Niesen Uwe Wagschal Dirk Jacobi Wolfram Lamping Alf Mintzel Kai-Uwe Schnapp Anna Geis Hanna Kaspar Otmar Jung Ulrich Sieberer Philipp Klages Alexander Warkotsch Christian Lammert Susanne Frölich-Steffen Ralf J. Leiteritz Klaus Schlichte Siegfried Weichlein Claudia Ritter Marcus Höreth Alexander Siedschlag Kolja Raube Wolfgang Muno Helga Haftendorn Armin Pfahl-Traughber Wilhelm Bleek Ralf Zwengel 《Politische Vierteljahresschrift》2006,47(3):475-543
Ohne Zusammenfassung 相似文献
53.
54.
55.
This study explored the impact of victim and perpetrator alcohol consumption on police officers' evaluations of an alleged sexual assault and their reported likelihood of charging the perpetrator. Two hundred and twelve police officers were presented with a vignette depicting an acquaintance rape in which the beverage consumption (beer, cola) of both the victim and perpetrator was systematically varied. Results indicated that the officers' perceptions of the complainant's intoxication level, as well as the gender of the officer, influenced officers' evaluations of the alleged sexual assault. The more intoxicated the complainant was perceived to be, the more negatively she was viewed. Female police officers evaluated the victim more favorably than male officers. The only factors related to the officers' likelihood of charging the perpetrator, however, involved their assessment of the complainant's credibility and their perception of the likelihood that the perpetrator would be found guilty in a court of law. 相似文献
56.
57.
58.
59.
Salas A Prieto L Montesino M Albarrán C Arroyo E Paredes-Herrera MR Di Lonardo AM Doutremepuich C Fernández-Fernández I de la Vega AG Alves C López CM López-Soto M Lorente JA Picornell A Espinheira RM Hernández A Palacio AM Espinoza M Yunis JJ Pérez-Lezaun A Pestano JJ Carril JC Corach D Vide MC Alvarez-Iglesias V Pinheiro MF Whittle MR Brehm A Gómez J 《Forensic science international》2005,150(2-3):191-198
A qualitative and quantitative analytical method was developed and validated for the determination of 49 licit and illicit drugs in oral fluid. Small oral fluid samples, volume 1mL, were collected from volunteers using a modified Omni-Sal device and the analytes were extracted from an oral fluid/buffer mixture using a single Bond Elut Certify solid phase extraction cartridge. Liquid chromatography-tandem mass spectrometry (LC-MS-MS) and gas chromatography-repetitive full scan mass spectrometry (GC-MS) were used in parallel to analyze the extracts for the targeted drugs. Extracts were analyzed by GC-MS in their underivatized form and as their pentafluoropropionyl derivatives. Deuterated internal standards were used for quantification of drugs of abuse by LC-MS-MS to minimize matrix effects. Methadone-d(9) and tumoxetine were used as the internal standards for quantification of non-derivatized and derivatized analytes respectively by GC-MS. Linearity was demonstrated over the range 5-200 ng/mL and limits of detection were less than 4 ng/mL for each drug analyzed. The method demonstrated acceptable recoveries for most of the analytes and good intra- and inter-day precision. Acquisition of data by repetitive full scan GC-MS allows the addition of further analytes to the target menu. 相似文献
60.
The switch to prospective payment for hospitals under Medicare is expected to have ramifications in a number of different areas. This paper addresses a select number of those areas: hospital organization and management, other community agencies, and families. Questions are raised as to the capacity to provide adequate care in response to the increased demand for care outside the hospital setting that will result from the new payment system. 相似文献