全文获取类型
收费全文 | 254篇 |
免费 | 10篇 |
专业分类
各国政治 | 4篇 |
工人农民 | 59篇 |
世界政治 | 7篇 |
外交国际关系 | 8篇 |
法律 | 145篇 |
中国政治 | 7篇 |
政治理论 | 34篇 |
出版年
2023年 | 3篇 |
2022年 | 5篇 |
2021年 | 5篇 |
2020年 | 7篇 |
2019年 | 9篇 |
2018年 | 15篇 |
2017年 | 16篇 |
2016年 | 16篇 |
2015年 | 11篇 |
2014年 | 12篇 |
2013年 | 23篇 |
2012年 | 12篇 |
2011年 | 18篇 |
2010年 | 9篇 |
2009年 | 5篇 |
2008年 | 12篇 |
2007年 | 18篇 |
2006年 | 9篇 |
2005年 | 12篇 |
2004年 | 12篇 |
2003年 | 5篇 |
2002年 | 5篇 |
2001年 | 3篇 |
2000年 | 2篇 |
1999年 | 3篇 |
1998年 | 2篇 |
1997年 | 1篇 |
1996年 | 4篇 |
1994年 | 1篇 |
1993年 | 1篇 |
1992年 | 1篇 |
1991年 | 1篇 |
1990年 | 1篇 |
1987年 | 1篇 |
1986年 | 1篇 |
1983年 | 1篇 |
1980年 | 1篇 |
1979年 | 1篇 |
排序方式: 共有264条查询结果,搜索用时 15 毫秒
121.
Nonsuicidal Self-Harm Among Community Adolescents: Understanding the “Whats” and “Whys” of Self-Harm 总被引:1,自引:0,他引:1
Aviva?Laye-GindhuEmail author Kimberly?A.?Schonert-Reichl 《Journal of youth and adolescence》2005,34(5):447-457
This study examines self-harm in a community sample of adolescents. More specifically, the study identifies the prevalence
and types of self-harm, elucidates the nature and underlying function of self-harm, and evaluates the relation of psychological
adjustment, sociodemographic, and health-risk variables to self-harm. Self-report questionnaires assessing self-harm, adjustment,
health behaviors, suicide history, and social desirability were completed by 424 school-based adolescents. Overall, 15% of
the adolescents reported engaging in self-harm behavior. Analyses revealed gender differences across behaviors and motivations.
Adolescents who indicated harming themselves reported significantly increased antisocial behavior, emotional distress, anger
problems, health risk behaviors, and decreased self-esteem. Results provide support for the coping or affect regulation model
of self-harm. Findings suggest that self-harm is associated with maladjustment, suicide, and other health behaviors indicative
of risk for negative developmental trajectories.
Doctoral student in the Department of Educational and Counseling Psychology at the University of British Columbia. Received
M.A. in School Psychology from the University of British Columbia. Research interests include self-harm, anxiety, coping,
and street-involved youth.
Associate Professor in the Department of Educational and Counseling Psychology at the University of British Columbia. Received
Ph.D. from the University of Iowa. Research interests include adolescent social-cognitive development, developmental psychopathology,
and stress and coping. 相似文献
122.
123.
Evaluation of Four Fingerprint Development Methods for Touch Chemistry Using Matrix‐Assisted Laser Desorption Ionization/Time‐of‐Flight Mass Spectrometry,
下载免费PDF全文
![点击此处可从《Journal of forensic sciences》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Kimberly A. Kaplan‐Sandquist Ph.D. Marc A. LeBeau Ph.D. Mark L. Miller Ph.D. 《Journal of forensic sciences》2015,60(3):611-618
Four preparation techniques for MALDI/TOF mass spectrometry were compared to determine the ability to gather intelligence for investigations through the chemical analysis of latent fingerprints, defined as “touch chemistry.” Compatible fingerprint development processes used for identification along with new techniques are necessary to evaluate touch chemistry. Ten volunteers deposited fingerprints from solvent residues containing drugs and explosives onto microscope slides. The developers included (A) fingerprint powder, (B) MALDI matrix, (C) fingerprint powder and lifting, and (D) cyanoacrylate fuming with fingerprint powder. Qualitative identification was based on ion images and spectra. The highest average detection rates (88%) were found using methods A and B. Methods C (52%) or D (18%) had limited success. Results demonstrate the importance of imaging coupled to extracted mass spectral data in detecting analytes in deposited fingerprints. Overall, the results suggest continued development of touch chemistry applications could prove useful for gathering intelligence and forensically relevant information. 相似文献
124.
125.
126.
This study employs latent class analysis to construct bullying involvement typologies among 3114 students (48% male, 58% White) in 40 middle schools across the U.S. Four classes were constructed: victims (15%); bullies (13%); bully-victims (13%); and noninvolved (59%). Respondents who were male and participated in fewer conventional activities were more likely to be members of the victims class. Students who were African-American and reported being less successful at school had a higher likelihood of membership in the bullies class. Bully-victims shared characteristics with bullies and victims: Students with more feelings of anger toward others and a higher tendency toward sensation-seeking had a higher likelihood of membership in the bullies and bully-victims classes, whereas lower levels of social inclusion was associated with membership in the victims and bully-victims classes. 相似文献
127.
128.
Kimberly E. Diamond 《环境索赔杂志》2010,22(4):302-313
The New Jersey Offshore Wind Economic Development Act (“Act”) sets precedent by establishing offshore wind renewable energy certificates (“ORECs”). To launch the OREC program and assist supply chain development, the Act incentivizes construction of in-state offshore wind manufacturing facilities by offering companies fund awards and new tax credits. The Act, nevertheless, may be subject to challenges because (a) only qualified wind energy facilities located in one area of the state are eligible for certain tax credits and (b) due to vague statutory language, disputes could arise regarding who, exactly, bears the financial risk for underwater and onshore transmission construction. 相似文献
129.
This study is a partial test of Robert Agnew's (2006) general strain theory. The sample consists of 39,879 juveniles between the ages of 10 and 17 from a metropolitan area in Texas with more than 5 million people. Logistic regression is used to determine the effect of living situation on drug offenders, drug recidivists, and juvenile court case outcome when race, abuse, sex, and mental health problems are controlled. Gender-specific analysis is used to test L. Broidy and R. Agnew's (1997) hypothesis that girls and boys react differently to strain. Results show partial support for the influence of a strained living situation on drug offenders, drug recidivists, and case outcome. Support is found for the hypothesis that boys' and girls' experiences with strain differ. 相似文献
130.