首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   345篇
  免费   25篇
各国政治   47篇
工人农民   15篇
世界政治   40篇
外交国际关系   28篇
法律   161篇
中国政治   4篇
政治理论   59篇
综合类   16篇
  2023年   7篇
  2022年   5篇
  2021年   7篇
  2020年   10篇
  2019年   15篇
  2018年   22篇
  2017年   30篇
  2016年   22篇
  2015年   17篇
  2014年   21篇
  2013年   65篇
  2012年   12篇
  2011年   13篇
  2010年   15篇
  2009年   9篇
  2008年   9篇
  2007年   12篇
  2006年   4篇
  2005年   9篇
  2004年   12篇
  2003年   8篇
  2002年   11篇
  2001年   7篇
  1998年   1篇
  1997年   4篇
  1996年   1篇
  1993年   3篇
  1992年   1篇
  1991年   1篇
  1990年   2篇
  1989年   1篇
  1988年   1篇
  1986年   3篇
  1985年   1篇
  1984年   1篇
  1979年   3篇
  1978年   1篇
  1975年   1篇
  1974年   2篇
  1966年   1篇
排序方式: 共有370条查询结果,搜索用时 46 毫秒
361.
The making of the modern Ottoman state in the 19th century was closely interrelated with population issues and policies. ‘Population’ became an important component of Ottoman history throughout the 19th and early 20th centuries. As the state identified the ‘population’ as a source of income after the Tanzimat, it tried to protect and procreate it through certain institutional arrangements and regulations. These policies consisted of protecting the existing population, controlling population movements, promoting procreation, and giving subsidies and lending money at interest to peasant families. The procreation policies included enforcement of marriages and encouragement of reproduction within marriages while they discouraged traditional birth control methods and practices. As in any other context, Ottoman families resisted the policies of procreation and pressures coming from the central government. This paper will examine the state's policies toward families and individuals as well as the responses of the people to these policies. I will attempt to construct a model based on the protection and the procreation policies of the modern Ottoman state, which will be an important springboard toward building a basis for conducting comparative analysis with other European states. By doing this, I will try to challenge some of the established assumptions on the nature of the ‘modern state’ in the 19th century.  相似文献   
362.
This article looks at the survival strategies used in traditional societies by households that were greatly disrupted by the death of the father, usually their principal provider. Research is based on data from two parish censuses (1716 and 1744) of the city of Québec that describe the composition of urban households. Data from the Registre de la Population du Québec Ancien (RPQA), the register of the Québec population before 1800, were also used to complement the information required. Depending on the survival of a mother after the father's death, it appears that households could maintain their nuclear structure, except for those who were dispersed among other households.  相似文献   
363.
This article examines how the governance of justice and internal security in Scotland could be affected by the outcome of the Scottish independence referendum in September 2014. The article argues that it is currently impossible to equate a specific result in the referendum with a given outcome for the governance of justice and internal security in Scotland. This is because of the complexities of the current arrangements in that policy area and the existence of several changes that presently affect them and are outside the control of the government and of the people of Scotland. This article also identifies an important paradox. In the policy domain of justice and internal security, a ‘no’ vote could, in a specific set of circumstances, actually lead to more changes than a victory of the ‘yes’ camp.  相似文献   
364.
This cross‐sectional study conducted in prisons in the city of Salvador, Bahia, Brazil, investigated the association between the presence of psychiatric disorders in 462 prisoners and the types of crimes committed by them. Psychiatric diagnosis was obtained by means of the Brazilian Portuguese version of the Mini‐International Neuropsychiatric Interview. A statistically significant association was found between some psychiatric disorders and specific groups of crime: lifelong substance addiction with sex crimes and homicide; antisocial personality disorder with robbery and with kidnapping and extortion; borderline personality disorder with sex crimes; and lifelong alcohol addiction with fraud and conspiracy and with armed robbery and murder. It was concluded that the mental disorders considered more severe (psychosis and bipolar disorder) were not associated with violent crimes, suggesting that the severity of the psychotic disorder may be the factor that has caused psychosis to be associated with violent crimes in previous studies.  相似文献   
365.
This study analyzes how the Dutch criminal justice system works from an abstract and a practical perspective. Using data collected through quantitative (police and prosecution databases) and qualitative (interviewing of key participants familiar with the databases and observation of some ongoing trials) procedures, it identifies the main features of this system as well as the main problems that researchers might have when working with data recorded by the police and the prosecution service. This is a methodological paper that intends to contribute with the data analysis research in this field.  相似文献   
366.
Few studies have explored the possible contribution of the peer group to dating violence victimization. The current study tested the hypothesis that a risky lifestyle would mediate the relationship between deviant peer affiliation and dating violence victimization among adolescent girls. The proposed mediation model was derived from lifestyles and routine activities theories. A sample of 550 girls (mean age = 15) drawn from a larger representative community sample in Quebec, Canada, completed a questionnaire on three forms of dating violence victimization (psychological, physical, and sexual). Results revealed that girls with a higher level of affiliation with deviant peers were more likely to endorse a risky lifestyle and reported higher rates of all forms of dating violence victimization. Further analyses showed that, while deviant peer affiliation is associated with dating violence victimization, this relationship may be explained, at least partially for psychological violence, and completely for physical/sexual violence, by the girls’ own risky lifestyle. Future preventive interventions for adolescent dating violence victimization should target deviant peer groups, as well as adolescent girls who display a risky lifestyle.  相似文献   
367.
The objective of the study was to describe and discuss the cases of two women who faced criminal charges, one for attempting to murder her three children and the other for killing her 1-year-old boy. After a forensic psychiatric assessment of their level of criminal responsibility, these patients were considered not guilty by reason of insanity and were committed to forensic mental hospitals. These two patients received a diagnosis of paranoid schizophrenia, according to the DSM-IV-TR criteria. In both cases, psychotic symptoms were present before the manifestation of violent behavior, in the form of persecutory delusions, auditory hallucinations, and pathological impulsivity. The investigation into cases of filicide may contribute powerfully to expand our understanding of motivational factors underlying this phenomenon and enhance the odds for effective prevention.  相似文献   
368.
Tobacco consumption is a global epidemic responsible for a vast burden of disease. With pharmacological properties sought-after by consumers and responsible for addiction issues, nicotine is the main reason of this phenomenon. Accordingly, smokeless tobacco products are of growing popularity in sport owing to potential performance enhancing properties and absence of adverse effects on the respiratory system. Nevertheless, nicotine does not appear on the 2011 World Anti-Doping Agency (WADA) Prohibited List or Monitoring Program by lack of a comprehensive large-scale prevalence survey. Thus, this work describes a one-year monitoring study on urine specimens from professional athletes of different disciplines covering 2010 and 2011. A method for the detection and quantification of nicotine, its major metabolites (cotinine, trans-3-hydroxycotinine, nicotine-N'-oxide and cotinine-N-oxide) and minor tobacco alkaloids (anabasine, anatabine and nornicotine) was developed, relying on ultra-high pressure liquid chromatography coupled to triple quadrupole mass spectrometry (UHPLC-TQ-MS/MS). A simple and fast dilute-and-shoot sample treatment was performed, followed by hydrophilic interaction chromatography-tandem mass spectrometry (HILIC-MS/MS) operated in positive electrospray ionization (ESI) mode with multiple reaction monitoring (MRM) data acquisition. After method validation, assessing the prevalence of nicotine consumption in sport involved analysis of 2185 urine samples, accounting for 43 different sports. Concentrations distribution of major nicotine metabolites, minor nicotine metabolites and tobacco alkaloids ranged from 10 (LLOQ) to 32,223, 6670 and 538 ng/mL, respectively. Compounds of interest were detected in trace levels in 23.0% of urine specimens, with concentration levels corresponding to an exposure within the last three days for 18.3% of samples. Likewise, hypothesizing conservative concentration limits for active nicotine consumption prior and/or during sport practice (50 ng/mL for nicotine, cotinine and trans-3-hydroxycotinine and 25 ng/mL for nicotine-N'-oxide, cotinine-N-oxide, anabasine, anatabine and nornicotine) revealed a prevalence of 15.3% amongst athletes. While this number may appear lower than the worldwide smoking prevalence of around 25%, focusing the study on selected sports highlighted more alarming findings. Indeed, active nicotine consumption in ice hockey, skiing, biathlon, bobsleigh, skating, football, basketball, volleyball, rugby, American football, wrestling and gymnastics was found to range between 19.0 and 55.6%. Therefore, considering the adverse effects of smoking on the respiratory tract and numerous health threats detrimental to sport practice at top level, likelihood of smokeless tobacco consumption for performance enhancement is greatly supported.  相似文献   
369.
Since it is established that human chorionic gonadotropin (hCG) affects testosterone production and release in the human body, the use of this hormone as a performance enhancing drug has been prohibited by the World Anti-Doping Agency. Nowadays, the only validated biomarker of a hCG doping is its direct quantification in urine. However, this specific parameter is subjected to large inter-individual variability and its determination is directly dependent on the reliability of hCG immunoassays used. In order to counteract these weaknesses, new biomarkers need to be evidenced. To address this issue, a pilot clinical study was performed on 10 volunteers submitted to 3 subsequent hCG injections. Blood and urine samples were collected during two weeks in order to follow the physiological effects on related compounds such as the steroid profile or hormones involved in the hypothalamo-pituitary axis. The hCG pharmacokinetic observed in all subjects was, as expected, prone to important inter-individual variations. Using ROC plots, level of testosterone and testosterone on luteinizing hormone ratio in both blood and urine were found to be the most relevant biomarker of a hCG abuse, regardless of inter-individual variations. In conclusion, this study showed the crucial importance of reliable quantification methods to assess low differences in hormonal patterns. In regard to these results and to anti-doping requirements and constraints, blood together with urine matrix should be included in the anti-doping testing program. Together with a longitudinal follow-up approach it could constitute a new strategy to detect a hCG abuse, applicable to further forms of steroid or other forbidden drug manipulation.  相似文献   
370.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号