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   70356篇
  免费   2813篇
  国内免费   29篇
  2020年   738篇
  2019年   895篇
  2018年   1212篇
  2017年   1285篇
  2016年   1358篇
  2015年   970篇
  2014年   1178篇
  2013年   5229篇
  2012年   2164篇
  2011年   2160篇
  2010年   1385篇
  2009年   1308篇
  2008年   1941篇
  2007年   1942篇
  2006年   1715篇
  2005年   1588篇
  2004年   1469篇
  2003年   1368篇
  2002年   1402篇
  2001年   2168篇
  2000年   2070篇
  1999年   1581篇
  1998年   719篇
  1997年   660篇
  1996年   633篇
  1992年   1437篇
  1991年   1297篇
  1990年   1341篇
  1989年   1179篇
  1988年   1218篇
  1987年   1142篇
  1986年   1199篇
  1985年   1210篇
  1984年   993篇
  1983年   945篇
  1982年   673篇
  1979年   1143篇
  1978年   763篇
  1977年   717篇
  1976年   684篇
  1975年   943篇
  1974年   1079篇
  1973年   1143篇
  1972年   916篇
  1971年   875篇
  1970年   838篇
  1969年   876篇
  1968年   1110篇
  1967年   999篇
  1966年   868篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
881.
The work of the Center for the Study of the Family in Milan has had wide influence. We describe its influence on us--the positive connotation of many car journeys, our self-training, and changes in how we view, and function in, our personal and professional lives.  相似文献   
882.
883.
L S Wright 《Adolescence》1985,20(79):575-580
This study investigated the incidence of serious suicidal thoughts (ST's) among 207 high school seniors and 901 college students, and the relationship between ST's and family stress, drinking and drug-abuse problems, and delinquency in these groups. Over 10% of the high school and over 6% of the college students reported ST's. Those considering suicide attempts in both groups were more likely than their classmates to view their parents as having many conflicts with each other, to think of their relationship with their father as poor, to see at least one of their parents as either angry or depressed much of the time, and to perceive themselves as having a drinking or drug-abuse problem. These findings support the call for comprehensive counseling programs at both the high school and college levels.  相似文献   
884.
We have become a drug-oriented society. Cummings (1979), citing evidence from the National Institute of Drug Abuse, reports that one of every eleven adult Americans suffers from a severe addictive problem. Drug addition is epidemic among teenagers; one of every six teenagers suffers from a severe addictive problem. This paper focuses on adolescent drug/substance abuse.  相似文献   
885.
This study, the first of three designed to investigate different age groups' knowledge of developmental norms of children, focused on older adolescent female university students. Data were collected from 280 midwestern university students through a questionnaire consisting of 16 items focusing on physical and social development of children from birth to three years of age. Results showed that knowledge of normal development was both over- and underestimated regardless of age of student or year in school. These findings are discussed within the context of the importance of knowledge of developmental norms for future parents.  相似文献   
886.
887.
Memory for events occurring under anesthesia   总被引:1,自引:0,他引:1  
  相似文献   
888.
889.
H L Piersma 《Adolescence》1985,20(80):975-979
Some of the common conflicts that occur between therapists and direct-care staff in residential, adolescent treatment facilities are highlighted. These conflicts often parallel those occurring between an adolescent's parents. Common issues include the amount of time spent with the adolescent patient, questions of authority, and communication difficulties. These conflicts can have positive consequences, if each party recognizes that the other brings a needed perspective to adolescent treatment.  相似文献   
890.
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