全文获取类型
收费全文 | 756篇 |
免费 | 58篇 |
专业分类
各国政治 | 23篇 |
工人农民 | 18篇 |
世界政治 | 11篇 |
外交国际关系 | 22篇 |
法律 | 413篇 |
中国共产党 | 4篇 |
中国政治 | 62篇 |
政治理论 | 22篇 |
综合类 | 239篇 |
出版年
2024年 | 3篇 |
2023年 | 19篇 |
2022年 | 6篇 |
2021年 | 15篇 |
2020年 | 22篇 |
2019年 | 25篇 |
2018年 | 26篇 |
2017年 | 28篇 |
2016年 | 23篇 |
2015年 | 17篇 |
2014年 | 39篇 |
2013年 | 72篇 |
2012年 | 63篇 |
2011年 | 45篇 |
2010年 | 40篇 |
2009年 | 53篇 |
2008年 | 44篇 |
2007年 | 48篇 |
2006年 | 40篇 |
2005年 | 44篇 |
2004年 | 33篇 |
2003年 | 44篇 |
2002年 | 18篇 |
2001年 | 14篇 |
2000年 | 10篇 |
1999年 | 1篇 |
1998年 | 7篇 |
1997年 | 2篇 |
1996年 | 1篇 |
1995年 | 1篇 |
1994年 | 2篇 |
1993年 | 2篇 |
1992年 | 1篇 |
1990年 | 2篇 |
1989年 | 1篇 |
1987年 | 1篇 |
1985年 | 1篇 |
1984年 | 1篇 |
排序方式: 共有814条查询结果,搜索用时 15 毫秒
111.
Vesna Babic-Hodovic Eldin Mehic Emir Agic 《美中公共管理》2010,(3):11-25
In the paper, we presented results of the research, realized with the goal to test main determinants influencing on FDI stock in manufacturing and services in transitional countries, precisely CEE countries. Some of the conceptual issues identified under possible differences of FDI determinants in manufacturing and services we started with were: (1) What are the most important determinants of FDI in manufacturing and services? (2) Are there significant differences between the main influencing determinants/factors between manufacturing and services? (3) Are there significant differences between FDI determinants for developing countries/transitional countries and industrial countries? (4) What are the implications for policies and strategies to attract FDI in different industries for developing countries? Dependent variable used in this paper is the FDI stock p/c (NACE 1-digit) into manufacturing and service sector for each observed CEE country, in the period 1999-2006. In case of our sample countries, a set of possible FDI determinants was selected from the pool of traditional and institutional-related determinants in the literature, and relevant indicators available. Empirical analysis was conducted by the regression assessment of panel data, using the set of data for CEE countries, studied over eight years. We estimated fixed effects model and OLS with panel-corrected standard errors (PCSEs) using Prais-Winsten to take into account the AR(1) process. Two out of four traditional variables showed differences between the manufacturing and service sector: (a) Inflation, as the indicator of macroeconomic instability, was not statistically significant for manufacturing sector but it was significant for service sector; (b) wages had statistically significant influences on the FDI in manufacturing sector, but had no influence on service sector. Looking at the results of testing indicators we had found significant differences between all indicators: (a) Privatization influenced on FDI attractions in manufacturing sector and it was significant for service sector, with negative influence; (b) wages had statistically significant influences on the FDI in manufacturing sector, but had no influence on service sector; and finally (c) other two traditional variables-market size indicated through GDP p/c and openness of economy had the same results for both, manufacturing and service sector. 相似文献
112.
姚颉靖 《北京政法职业学院学报》2013,(4):50-54
随着医疗改革的不断深入,专利药品价格已成为国内外学界和产业界关注的焦点。本文利用1999年至2010年美国面板数据对专利药品价格影响要素进行了实证分析,结果显示,专利保护期限、仿制药价格、人均国内生产总值对专利药品价格变动具有显著影响。在此基础之上提出相关的政策建议。 相似文献
113.
王志超 《北京人民警察学院学报》2014,(5):75-78
伴随着市场经济的快速发展,我国的快递产业突飞猛进。快递服务给生产、生活带来便利的同时,也成为了毒品犯罪分子贩运毒品的新渠道。快递产业目前存在着行业监管不力、禁毒宣传工作基础薄弱、追责机制缺位等实际情况,应建立与完善快递查毒奖惩机制,推进物流寄递实名制登记,强化市场准入与行业监管,提高主动发现和打击能力。 相似文献
114.
美国在知识产权全球治理中呈现出一味强化权利保护的价值倾向。受其影响,知识产权保护的国际规则呈现不断强化之势。但是,美国在国内法中存在对知识产权强化保护的平衡机制,有别于其对外片面输出强化保护规则。一味强化保护的知识产权制度会走向偏颇。我国在知识产权国际博弈和对话中需要提出自己的话语和话语体系,其前提是明确本国话语的价值取向。相比历史、文化取向而言,话语构造的价值取向路径具有优越性。在国际博弈中,我国宜秉持并提倡知识产权法的二元价值取向。二元价值取向契合知识产权法基本原理,体现了世界共同价值,其核心作用在于纠偏,我国应坚持和发扬这一价值取向。 相似文献
115.
Prices in illegal drug markets are difficult to predict. Based on qualitative interviews with 68 incarcerated drug dealers in Norway, we explore dealers’ perspectives on fair prices and the processes that influence their pricing decisions. Synthesized through economic sociology, we draw on perspectives from traditions as different as behavioral economics and cultural analysis to demonstrate how participants in illicit drug distribution base their pricing decisions on institutional context, social networks, and drug market cultures. We find that dealers take institutional constraints into consideration and search for niches with high earnings and low risks. The use of transactions embedded in social networks promotes a trusting form of governance, which enables strategic network management and expedient distribution but also uncompetitive pricing. Finally, dealers’ pricing decisions are embedded in three different cultures narratives: business, friendship, and street cultural stories, with widely varying implications for prices. Our findings demonstrate how an economic sociology of illicit drug distribution can extend insights from behavioral economics and cultural studies into a coherent criminology of illegal drug markets. 相似文献
116.
Rachael M. Carew M.Sc. Ruth M. Morgan D.Phil. Carolyn Rando Ph.D. 《Journal of forensic sciences》2019,64(2):342-352
There is currently no published empirical evidence‐base demonstrating 3D printing to be an accurate and reliable tool in forensic anthropology, despite 3D printed replicas being exhibited as demonstrative evidence in court. In this study, human bones (n = 3) scanned using computed tomography were reconstructed as virtual 3D models (n = 6), and 3D printed using six commercially available printers, with osteometric data recorded at each stage. Virtual models and 3D prints were on average accurate to the source bones, with mean differences from ?0.4 to 1.2 mm (?0.4% to 12.0%). Interobserver differences ranged from ?5.1 to 0.7 mm (?5.3% to 0.7%). Reconstruction and modeling parameters influenced accuracy, and prints produced using selective laser sintering (SLS) were most consistently accurate. This preliminary investigation into virtual modeling and 3D printer capability provides a novel insight into the accuracy of 3D printing osteological samples and begins to establish an evidence‐base for validating 3D printed bones as demonstrative evidence. 相似文献
117.
Kelly Olds B.HealthSci. John Gilbert M.B. B.S. Neil E.I. Langlois M.D. Roger W. Byard Ph.D. M.D. 《Journal of forensic sciences》2019,64(4):1245-1247
A 32‐year‐old woman collapsed following an intravenous injection of material that included crushed pharmaceutical tablets. Resuscitation was attempted but was unsuccessful. She had an extensive past medical history of complications resulting from intravenous drug use. Death was due to mixed drug toxicity. The major findings at autopsy included a 10 mm deep skin sinus over the right femoral vein that was used as an injection site. Polarizable foreign material was present at the injection site and also within the lungs with a granulomatous reaction. Of note, a probe‐patent foramen ovale had permitted paradoxical embolization of this material into the systemic circulation with lodgement within the liver, portal lymph nodes, myocardium, spleen, kidneys, and pancreas. This case highlights the importance of checking for any intracardiac shunts, which may be quite small, and systemic dissemination of foreign material to multiple organs in intravenous drug users who present for medicolegal assessment. 相似文献
118.
Pregabalin is a Schedule V controlled substance which is defined as the (S) enantiomer of 3‐(aminomethyl)‐5‐methylhexanoic acid. It is used legitimately to treat neuropathy in patients with diabetes as well as for epilepsy and fibromyalgia. Pregabalin is an amino acid and an amphoteric compound, which makes it difficult to analyze using the conventional GC‐MS instrumentation found in most forensic drug analysis laboratories. Problems associated with the traditional GC‐MS analysis of pregabalin include selective solubility, ring closure to the corresponding lactam in the GC injection port and/or the MS transfer line and difficulty with chiral derivatization due to the presence of a carboxylic acid moiety. Here, we show that these challenges can be overcome by methylating (capping) the carboxylic acid portion of the pregabalin molecule and converting to the corresponding methyl ester. Once the methyl ester is synthesized, chiral derivatization at the amine can be achieved to identify the controlled (S) enantiomer of pregabalin via GC‐MS. 相似文献
119.
Natalie Flath Karin Tobin Kelly King Alexandra Lee Carl Latkin 《Journal of Ethnicity in Criminal Justice》2019,17(2):186-202
Encountering the criminal justice system at the first point of entry---an arrest---is associated with heightened HIV and Hepatitis risk behavior among people who inject drugs (PWIDS). Intervening structurally through the criminal justice system impacts public health; therefore, determining arrest patterns is an important tool for risk reduction. Among a sample of 740 PWIDs, and their social network members recruited from predominantly African-American neighborhoods in Baltimore City, a third were recently arrested in the previous six months, and of those, the arrests were disproportionately African-American persons and characterized as nonviolent, i.e., drug possession/attempt to purchase (38%) and loitering (29%). Poisson regression models were built adjusted for age, sex, race, education level, homelessness, and monthly income after exploring bivariable characteristics of arrests using chi-squared tests. Active drug use was associated with a recent arrest (adjusted prevalence ratio: aPR 2.38 95% CI 1.6, 3.6), in addition to participants who recently reported attending a syringe exchange program (aPR 1.45 95% CI 1.1, 2.0). Our findings are suggestive of recent media coverage and burgeoning research revealing the prioritization of policing resources toward both communities of color and neighborhoods of intensified drug trafficking. Further research is warranted to contextualize the operationalization of criminal justice resources and the impact on community health. 相似文献
120.
In this study, we explore the role humor plays in the narrated identities of drug dealers, in their negotiation of the threat of formal punishment, and in their cultural membership and authority. By drawing from interview and observation data gathered from 33 active drug dealers residing in St. Louis, Missouri, we find that humor facilitates identity work among illicit drug dealers in several ways. Humor is an important symbolic boundary marker distinguishing dealers from others they consider “stupid” or less circumspect. It also indicates dealers’ identities as “smart” and simultaneously establishes and validates their subcultural authority and membership in the symbolic group of “smart” dealers. Furthermore, drug dealers use denigrating humor in their narratives to distance their former and virtual identities from their present identities. Finally, humor also reduces dealers’ perceptions of the threats posed by police and potential snitches by casting dealers’ present identities and former reactions to the threat of punishment in a positive light. We conclude by discussing implications for narrative criminology, extant humor research, and current understanding of symbolic boundaries, identity work, and deterrence. 相似文献