全文获取类型
收费全文 | 1145篇 |
免费 | 49篇 |
专业分类
各国政治 | 71篇 |
工人农民 | 190篇 |
世界政治 | 73篇 |
外交国际关系 | 60篇 |
法律 | 576篇 |
中国政治 | 16篇 |
政治理论 | 204篇 |
综合类 | 4篇 |
出版年
2023年 | 5篇 |
2021年 | 4篇 |
2020年 | 13篇 |
2019年 | 31篇 |
2018年 | 43篇 |
2017年 | 44篇 |
2016年 | 35篇 |
2015年 | 27篇 |
2014年 | 30篇 |
2013年 | 172篇 |
2012年 | 27篇 |
2011年 | 33篇 |
2010年 | 23篇 |
2009年 | 45篇 |
2008年 | 51篇 |
2007年 | 48篇 |
2006年 | 47篇 |
2005年 | 27篇 |
2004年 | 40篇 |
2003年 | 29篇 |
2002年 | 35篇 |
2001年 | 31篇 |
2000年 | 24篇 |
1999年 | 22篇 |
1998年 | 16篇 |
1997年 | 21篇 |
1996年 | 23篇 |
1995年 | 18篇 |
1994年 | 7篇 |
1993年 | 12篇 |
1992年 | 18篇 |
1991年 | 19篇 |
1990年 | 11篇 |
1989年 | 15篇 |
1988年 | 10篇 |
1987年 | 9篇 |
1986年 | 10篇 |
1985年 | 10篇 |
1984年 | 13篇 |
1983年 | 12篇 |
1982年 | 14篇 |
1981年 | 10篇 |
1980年 | 15篇 |
1979年 | 9篇 |
1978年 | 10篇 |
1977年 | 7篇 |
1976年 | 5篇 |
1975年 | 3篇 |
1973年 | 3篇 |
1969年 | 2篇 |
排序方式: 共有1194条查询结果,搜索用时 31 毫秒
101.
This paper explores a popular yet highly destructive form of property crime — graffiti vandalism. The localities of such destruction
selected for study were male and female restrooms. Three hundred and ninety-two cases were collected and analyzed. Prior research
theorized the existence of a significant difference in the amount of graffiti produced between the sexes. (It was believed
that males produce more graffiti than females). Analysis, however, revealed equal production of graffiti by males and females.Content differences between the sexes were hypothesized. The content categories included homosexual, heterosexual, nonsexual (humorous
and political statements) and racial graffiti. The findings as they relate to content differences between the sexes are presented
and discussed relative to sex-role socialization theory. 相似文献
102.
The anti-'death tax' movement is the starting point for contemporary discussions of inheritance taxation. The political rhetoric surrounding calls for its repeal typically is met with analyses of the extent to which inheritance tax avoidance benefits the wealthy, and arguments that inheritance taxation is fair and 'targeted'. This article suggests that engagement by tax lawyers with sociological theories of economic inheritance has the potential to revive this discourse. A renewed approach to inheritance taxation is of immediate concern to supporters of inheritance taxation in the United Kingdom, who face considerable obstacles posed by the increasing use of United States anti-inheritance tax movement political rhetoric by politicians. Durkheim's consideration of the conjugal family and, more recently, Beckert's sociology of inheritance are submitted as analyses that, amongst others, have particular potential. Such engagement also has the potential to revive the interest of sociologists in inheritance taxation, memorably described by MacNamee and Miller as a 'sociological lacuna.' 相似文献
103.
104.
Ann Laquer Estin 《Law & social inquiry》2001,26(2):505-528
105.
In the analysis of human skeletal or otherwise unidentifiable remains the assessment of sex is an initial vital element when rendering a biological profile. As such other aspects of the biological profile are sex-specific (e.g. stature and age) and cannot be successfully determined without this preliminary assessment. In addition, the estimation of stature is an essential parameter of the biological profile, which is often used to confirm or exclude presumptive identifications.The purpose of this study is to present newly developed local identification criteria for the estimation of sex from the postcrania and stature for Chileans. Linear discriminant functions were derived for the humerus and femur. Sexing accuracies of 87%, 86%, and 82% were achieved. Furthermore, new univariate predictive stature equations are presented using a Bayesian approach for the humerus, femur and tibia. 相似文献
106.
107.
Claire E.V. French Cynthia G. Jensen Susan K. Vintiner Douglas A. Elliot Susan R. McGlashan 《Forensic Science International Supplement Series》2008,178(1):1-6
There are a number of forensic cases in which the identification of the epithelial cell type from which DNA originated would provide important probative evidence. This study aimed to develop a technique using histological staining of fixed cells to distinguish between skin, buccal and vaginal epithelium. First, 11 different stains were screened on formalin-fixed, wax-embedded cells from five women. Samples were analysed qualitatively by examining staining patterns (colour) and morphology (absence or presence of nuclei). Three of the staining methods – Dane's, Csaba's and Ayoub-Shklar – were successful in distinguishing skin epithelial cells from buccal and vaginal. Second, cells were smeared directly onto slides, fixed with one of five fixatives and stained with one of the three stains mentioned above. Methanol fixation, coupled with the Dane's staining method, specific to keratin, was the only technique that distinguished between all three cell types. Skin cells stained magenta, red and orange and lacked nuclei; buccal cells stained predominantly orange–pink with red nuclei; while vaginal cells stained bright orange with orange nuclei and a blue extracellular hue. This staining pattern in vaginal cells was consistent in samples collected from 50 women aged between 18 and 67. Identification of cell type from unlabelled micrographs by 10 trained observers showed a mean success rate of 95%. The results of this study demonstrate that histological staining may provide forensic scientists with a technique for distinguishing between skin, buccal and vaginal epithelial cells and thus would enable more conclusive analyses when investigating sexual assault cases. 相似文献
108.
Ralph Schwenzer Werner Pflug 《Forensic Science International: Genetics Supplement Series》2008,1(1):68-70
Human DNA quantification occupies a central role within the DNA analytic process of forensic casework samples as DNA quantification results have an important impact on the quality of the short tandem repeat data. Manual processing for the setup of quantification reactions can be time consuming and labor intensive. Therefore automation of quantitative real-time PCR setup was an important component of our DNA-analysis automation concept. Here we show the implementation of a robotized setup for the Quantifiler™ Human DNA Quantification Kit. 相似文献
109.
Jean‐Louis Denis Lise Lamothe Ann Langley Mylaine Breton Julie Gervais Louise‐Hlne Trottier Damien Contandriopoulos Carl‐Ardy Dubois 《Canadian public administration. Administration publique du Canada》2009,52(2):225-248
Abstract: Drawing on a longitudinal study from the early years of implementation of health‐care networks in Quebec, this article describes how public‐sector managers deal with complex challenges when both organizational structures and organizational strategies are radically transformed simultaneously. The new organizations studied had to completely re‐shuffle roles and responsibilities of their management teams while making sense of their new mandate of developing a population‐focused approach to health problems – all the time maintaining day‐to‐day operations. The four health‐care networks studied proceeded somewhat differently to meet these reciprocal challenges. The study reveals the importance of balancing organizing initiatives (focused on structures) with “sense‐making” initiatives (focused on strategies), of developing capacities for sense‐making through the creation of key “sense‐maker/sense‐giver” positions whose occupants are able to ensure that conceptual activities engage people working at different levels, even as organizational structures are in flux, and of mobilizing external constraints and influences as opportunities and resources in sense‐making and organizing. Sommaire : Se fondant sur une étude longitudinale des premières années de la mise en œuvre des réseaux de soins de santé au Québec, cet article décrit la manière dont les gestionnaires du secteur public font face à des défis complexes, alors que les structures et les stratégies organisationnelles sont radicalement transformées simultanément. Les nouveaux organismes étudiés ont dû complètement remanier les rôles et les responsabilités de leurs équipes de gestion et comprendre leur nouveau mandat d'élaborer une approche axée sur la population pour ce qui est des problèmes de santé, tout en maintenant leurs activités au jour le jour. Les quatre réseaux de soins de santéétudiés ont travailléà relever ces défis réciproques d'une manière assez différente. L'étude révèle l'importance de trouver un équilibre entre les initiatives consistant à organiser (axées sur les structures) et les initiatives consistant à interpréter les faits (axées sur les stratégies) ; de perfectionner les capacités à interpréter les faits grâce à la création de postes clés d'«interpréteurs de faits», dont les titulaires veilleraient à ce que des activités conceptuelles fassent intervenir les gens travaillant à différents niveaux même lorsque les structures organisationnelles fluctuent continuellement; et enfin de tirer parti des contraintes et influences externes comme autant d'occasions et de ressources pour interpréter et organiser les faits. 相似文献
110.
Prof. Dr. Edmund Brandt Andreas Heck Dr. Claudia Bieling Prof. Dr. Werner Konold Dr. Franz Höchtl 《Natur und Recht》2008,30(10):673-684
Zusammenfassung Viele l?ndliche Regionen sind mit einer Ausdehnung der Waldfl?chen konfrontiert. Dies wird
vor allem dann als problematisch empfunden, wenn die betroffenen R?ume bereits waldreich sind. Zur
Steuerung der Waldzunahmedynamik bieten sich verschiedene rechtliche Instrumente an, deren Potenziale derzeit
nicht voll ausgesch?pft werden. Weiterentwicklungsm?glichkeiten bestehen insbesondere im Hinblick
auf die Normen zur Aufforstungsgenehmigung. Hier ist ein grunds?tzlicher normativer Paradigmenwechsel
denkbar. Neureglungen k?nnten aber auch über die Einrichtung einer Experimentiergesetzgebung
zun?chst beispielhaft erprobt werden. Der Beitrag entwickelt zudem einen Leitfaden für die Beurteilung
einer “erheblichen Beeintr?chtigung des Landschaftsbilds”, einem bisher nicht ausreichend
konkretisierten Versagungsgrund für eine Aufforstungsgenehmigung. 相似文献