全文获取类型
收费全文 | 550篇 |
免费 | 11篇 |
专业分类
各国政治 | 25篇 |
工人农民 | 81篇 |
世界政治 | 24篇 |
外交国际关系 | 28篇 |
法律 | 296篇 |
中国政治 | 4篇 |
政治理论 | 98篇 |
综合类 | 5篇 |
出版年
2022年 | 2篇 |
2021年 | 6篇 |
2020年 | 8篇 |
2019年 | 7篇 |
2018年 | 14篇 |
2017年 | 9篇 |
2016年 | 15篇 |
2015年 | 19篇 |
2014年 | 13篇 |
2013年 | 76篇 |
2012年 | 25篇 |
2011年 | 15篇 |
2010年 | 8篇 |
2009年 | 17篇 |
2008年 | 23篇 |
2007年 | 17篇 |
2006年 | 25篇 |
2005年 | 18篇 |
2004年 | 18篇 |
2003年 | 15篇 |
2002年 | 14篇 |
2001年 | 13篇 |
2000年 | 14篇 |
1999年 | 5篇 |
1998年 | 8篇 |
1997年 | 11篇 |
1996年 | 6篇 |
1995年 | 7篇 |
1994年 | 9篇 |
1993年 | 7篇 |
1992年 | 10篇 |
1991年 | 9篇 |
1990年 | 12篇 |
1989年 | 10篇 |
1988年 | 5篇 |
1987年 | 10篇 |
1986年 | 4篇 |
1985年 | 9篇 |
1984年 | 4篇 |
1983年 | 11篇 |
1982年 | 4篇 |
1981年 | 4篇 |
1980年 | 3篇 |
1979年 | 3篇 |
1978年 | 5篇 |
1977年 | 4篇 |
1976年 | 4篇 |
1975年 | 2篇 |
1972年 | 1篇 |
1968年 | 1篇 |
排序方式: 共有561条查询结果,搜索用时 15 毫秒
121.
Patricia Wolf 《wohnrechtliche bl?tter: wobl》2011,24(12):420-423
Bei Vorliegen eines Bestandverhältnisses und gleichzeitiger oder nachfolgender Inbestandnahme eines weiteren Objektes stellt sich die Frage, ob zwei getrennte Vertragsverhältnisse oder ein einheitliches Bestandverhältnis vorliegen. Diese Frage ist zB für das Vorliegen der Zulässigkeit der Aufkündigung der Objekte relevant, die im Fall eines einheitlichen Bestandverhältnisses im Allgemeinen nur einheitlich erfolgen kann, sowie für die Mietzinsbildung und das Vorliegen des Kündigungsschutzes des MRG. Die Kriterien, die die Rsp für die Beantwortung der Frage, ob ein einheitlicher Vertrag oder zwei gesonderte Verträge vorliegen, aufstellt und welche Rechtsfolgen sich im Einzelfall daraus ergeben, werden hier kurz dargestellt. 相似文献
122.
123.
Abstract: Organic impurity profiling of seized 3,4‐methylenedioxymethamphetamine (MDMA) tablets aims to link tablets to common production sources. Conventionally, organic impurities are extracted from tablets using a liquid–liquid extraction (LLE) procedure prior to analysis by gas chromatography–mass spectrometry (GC‐MS). In this research, the development of an alternative microwave‐assisted extraction/headspace solid‐phase microextraction (MAE/HS‐SPME) procedure is described. The optimal procedure used phosphate buffer (1 M, pH 8), with an HS‐SPME extraction temperature of 70°C for 40 min, using a divinylbenzene/Carboxen?/polydimethylsiloxane (DVB/CAR/PDMS) fiber. Impurities were extracted from seized MDMA exhibits using the MAE/HS‐SPME procedure, as well as HS‐SPME alone, and a conventional LLE procedure. The HS‐SPME procedure was deemed to be the most practical because of the affordability and need for less analyst involvement. Although the LLE was limited in the number of impurities extracted, the procedure is still useful for the extraction of less volatile impurities that are not extracted by HS‐SPME. 相似文献
124.
Article 26.1 of the Cartagena Protocol on Biosafety left open the possibility for member countries to include in their biosafety regulatory processes the assessment of socio‐economic considerations. Countries may also decide to include such assessments as part of their national legislation or regulations for the approval and deliberate release into the environment of genetically engineered technologies. Countries are debating if and how to implement assessment of socio‐economic considerations. This paper contributes to the ongoing policy dialogue by discussing issues related to socio‐economic assessment including scope, timing, inclusion modalities, methods, decision‐making rules and standards, and the integration of socio‐economic assessments in biosafety and/or biotechnology approval processes. This paper also discusses the implications of such inclusion for technology flows and public and private sector R&D. If inclusion is not done properly, it may negatively impact technology flows especially from the public sector and render an unworkable biosafety system. 相似文献
125.
Patricia Owens 《Citizenship Studies》2012,16(2):297-307
This article evaluates Hannah Arendt's contribution to ‘thinking citizenship’ in light of her controversial account of the modern rise of ‘the social’. It argues that Arendt's writing on the social is best understood not primarily as analytical and normative but as an historical argument about the effect of capitalism and modern state administration on meaningful citizenship. This short piece analyses one important element of Arendt's story about the historical rise of the social: that it is a peculiar hybrid of polis and oikos, a scaled-up form of housekeeping, and its threat to the public, political world. 相似文献
126.
Despite the strong correlation between caregiver substance abuse and child maltreatment, little information exists to understand the typology of African American caregivers with substance abuse problems in the child welfare system. Research shows African American caregivers contend with multiple problems stemming from substance abuse. Unfortunately, we do not yet know how to best tailor resources to be responsive to varying groups of African American caregivers. Using data from the National Survey of Child and Adolescent Well-being (NSCAW), this investigation tested for distinct multivariate profiles among a subset of African American caregivers with substance abuse problems (n=258). Latent Class Analysis (LCA) was used to classify caregivers, and five classes were identified among this high risk sample - each with distinct risk profiles. Based on these findings, we discuss implications for tailored practices to enhance the safety and stability of children involved with child welfare. 相似文献
127.
Carole Hooven Paula S. Nurius Patricia Logan-Greene Elaine A. Thompson 《Journal of family violence》2012,27(6):511-522
Childhood exposure to violence and victimization is a significant public health problem, with potentially long-lasting, deleterious effects on adult mental health. Using a longitudinal study design, 123 young adults—identified in adolescence as at-risk for high school dropout—were examined for the effects of multi-domain childhood victimization on emotional distress and suicide risk, net of adolescent risk and protective factors, including family dysfunction. The hypothesis that higher levels of cumulative childhood victimization would be significantly associated with mental health maladjustment in young adulthood was confirmed by the analysis. However, the victimization predictors of adult emotional distress were different than the predictors of adult suicide risk. These findings indicate the need for prevention and intervention approaches that include thorough assessment, and focus on the childhood and adolescent problem areas that are most consequential for long-term psychological well-being. 相似文献
128.
129.
Patricia Allard 《Family Court Review》2012,50(1):48-58
The advent of the modern “war on drugs” and its accompanying “lock 'em up and throw away the key” crime policies largely explain the evolution of mass incarceration in the U.S. and account for much of the emotional and psychological pain caused to children who have lost their parents to long prison sentences. It is by reducing reliance on incarceration to tackle the “drug problem” in the United States that there will be a positive impact on reducing the number of parents being separated from their children for inordinate amounts of time, thereby potentially reducing the negative emotional and psychological impact on children. Aiding parents combat their addiction outside of prison walls is perhaps to most sensible criminal justice policy in addressing the needs of children who are caught in the cross‐fire of the war on drugs. In the meantime, as policy makers review, assess, and, eventually, reform draconian drug laws and sentencing policies, it is imperative that front‐line service providers who work with children and family and juvenile court judges be mindful of the emotional and psychological impact that parental incarceration has on youth. A more in‐depth understanding of the complexities of these young people's life experiences will hopefully enable the development of appropriate support services. 相似文献
130.
Patricia S. Florestano Assistant Professor Stephen B. Gordon Coordinator 《国际公共行政管理杂志》2013,36(3):307-327
This study examines public service delivery by counties and municipalities of over 500,000 popula tion, through the practice of contracting out with the publicsector. It is based on responses to a question naire sent to purchasing officials in American and Canadian cities, counties, and state governments Results indicate the types of services contracted out the frequency of contracting out, procedures utilized and administrative attitudes. We find that a diverse group of non-professional,non-construction services are being provided by private contractors for these jurisdictions, but the jurisdictions are not providing a majority or even a significant portion of their services in this manner. 相似文献