全文获取类型
收费全文 | 18820篇 |
免费 | 1306篇 |
专业分类
各国政治 | 797篇 |
工人农民 | 887篇 |
世界政治 | 1294篇 |
外交国际关系 | 673篇 |
法律 | 12873篇 |
中国共产党 | 3篇 |
中国政治 | 121篇 |
政治理论 | 3366篇 |
综合类 | 112篇 |
出版年
2023年 | 93篇 |
2021年 | 101篇 |
2020年 | 469篇 |
2019年 | 500篇 |
2018年 | 628篇 |
2017年 | 650篇 |
2016年 | 730篇 |
2015年 | 556篇 |
2014年 | 594篇 |
2013年 | 2035篇 |
2012年 | 539篇 |
2011年 | 566篇 |
2010年 | 576篇 |
2009年 | 617篇 |
2008年 | 567篇 |
2007年 | 553篇 |
2006年 | 569篇 |
2005年 | 481篇 |
2004年 | 478篇 |
2003年 | 387篇 |
2002年 | 443篇 |
2001年 | 706篇 |
2000年 | 635篇 |
1999年 | 500篇 |
1998年 | 253篇 |
1997年 | 194篇 |
1996年 | 203篇 |
1995年 | 213篇 |
1994年 | 177篇 |
1993年 | 190篇 |
1992年 | 318篇 |
1991年 | 326篇 |
1990年 | 306篇 |
1989年 | 287篇 |
1988年 | 312篇 |
1987年 | 269篇 |
1986年 | 335篇 |
1985年 | 327篇 |
1984年 | 254篇 |
1983年 | 231篇 |
1982年 | 184篇 |
1981年 | 160篇 |
1980年 | 146篇 |
1979年 | 225篇 |
1978年 | 118篇 |
1977年 | 94篇 |
1975年 | 94篇 |
1974年 | 125篇 |
1973年 | 84篇 |
1972年 | 79篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
51.
52.
Christopher Cramer 《冲突、安全与发展》2006,6(3):389-410
Although many different analyses in some ways acknowledge the relevance of labour markets to the political economy of violent conflict and of war to peace transitions, there has been little sustained or systematic exploration of this dimension of war economies and post-conflict reconstruction. This paper highlights the empirical and analytical gaps and suggests that a framework departing from the assumptions of the liberal interpretation of war allows for a richer analysis of labour market issues and policies. This is illustrated by the history of rural Mozambique through the war economy and into the first post-war decade. 相似文献
53.
54.
Alexander M Holsinger Christopher T LowenkampEdward J Latessa 《Journal of criminal justice》2003,31(4):309
Offender assessment and classification is becoming an increasingly important part of correctional supervision and intervention. Over the last several decades, several different methods and “generations” of offender classification have emerged. Of most value appear to be third-generation, actuarial, dynamic risk/need assessments. With any new correctional strategy, however, there is a need to investigate the use of these risk/need assessments on offender subgroups in order to inform issues, such as reliability and prevalence of criminogenic risk factors. The present study utilized data that were gathered using the Level of Service Inventory-Revised (LSI-R). Results and comparisons of these assessments were investigated and presented for Native American and non-Native American offenders as well as male and female offenders. Discussion of the results, implications, and recommendations for further research are presented. 相似文献
55.
Mackenzie Catriona; McDowell Christopher; Pittaway Eileen 《Journal of Refugee Studies》2007,20(2):299-319
This paper highlights some of the central ethical challengesinvolved in undertaking social science research with refugeesin conflict and crisis situations. It focuses on two main setsof challenges: first, the difficulties of constructing an ethicalconsent process and obtaining genuinely informed consent; andsecond, taking fully into account and responding to refugeeparticipants' capacities for autonomy. The authors also discussthe challenges involved in applying the central normative principlesgoverning ethics review processes—the principles of beneficence,integrity, respect for persons, autonomy and justice—tothe context of refugee research. It is argued that researchersshould seek ways to move beyond harm minimization as a standardfor ethical research and recognize an obligation to design andconduct research projects that aim to bring about reciprocalbenefits for refugee participants and/or communities. Some ofthe methodological issues raised by this analysis are discussedin the conclusion. 相似文献
56.
Christopher Hemmer 《中东政策》2003,10(3):121-135
57.
58.
Isolation of the DNA minisatellite probe MZ 1.3 and its application to DNA 'fingerprinting' analysis 总被引:1,自引:0,他引:1
U Schacker P M Schneider B Holtkamp E Bohnke R Fimmers H H Sonneborn C Rittner 《Forensic science international》1990,44(2-3):209-224
A minisatellite probe, MZ 1.3, detecting hypervariable fragment patterns was isolated from a human genomic library. A repetitive sequence of 27 bp length was identified which is contained in the probe approx. 40 times. The MZ 1.3 repeat shows variable homology of 53-73% to the repetitive sequence of the protein III gene of the bacteriophage M13 genome. Polymorphic restriction fragment patterns were found with MZ 1.3 using the enzymes Hinf I, BstN I, Hae III, Mbo I, PstI/Pvu II, and Rsa I. An average of 18 polymorphic fragments was observed using Hinf I as enzyme. The band sharing frequency after Hinf I digestion among unrelated individuals was determined to be 23.8 +/- 7.2%. An example for the application of MZ 1.3 to paternity testing in an incest case is given. The probe can be used with radioactive or non-radioactive detection systems. An approach is presented to compare polymorphic fragment patterns from individuals obtained by independent gel runs on the basis of relative band positions (RBP) and calculated in a computerized analysis. 相似文献
59.
Good gas chromatography (GC) separation of molecules is essential for clean gas chromatography/mass spectrometry (GC/MS) confirmation of compounds. The trifluoro derivatives of ephedrine (E) and methamphetamine (MA) coelute on dimethyl silicone capillary columns, such as DB-1, which are most commonly used by chromatographers. Methods are described to separate E and MA to aid GC/MS confirmations of methamphetamine, ephedrine, or both E and MA together, whichever may be present in Enzyme Immunoassay (EIA)-analyzed amphetamine-positive urine samples. The use of the heptafluoro derivatives of E and MA on a DB-1 column, or the trifluoro derivatives of E and MA on a DB-17 column, is suggested for good gas chromatographic separation. 相似文献
60.
One case of the erroneous administration of deslanoside and high level of drug in antemortem plasma and postmortem specimens has been reported owing to the unusual surrounding circumstances. Deslanoside in antemortem plasma was determined by FPIA and the analysis was done by HPLC in the postmortem tissue samples. The analytical results and methods used in the examinations are discussed in the following paper. 相似文献