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   14317篇
  免费   206篇
  国内免费   22篇
教育   10053篇
科学研究   1584篇
各国文化   134篇
体育   1200篇
综合类   7篇
文化理论   105篇
信息传播   1462篇
  2021年   141篇
  2020年   198篇
  2019年   275篇
  2018年   379篇
  2017年   361篇
  2016年   369篇
  2015年   245篇
  2014年   329篇
  2013年   2527篇
  2012年   313篇
  2011年   334篇
  2010年   301篇
  2009年   235篇
  2008年   289篇
  2007年   264篇
  2006年   241篇
  2005年   218篇
  2004年   240篇
  2003年   217篇
  2002年   194篇
  2001年   461篇
  2000年   303篇
  1999年   264篇
  1998年   129篇
  1997年   168篇
  1996年   155篇
  1995年   137篇
  1994年   159篇
  1993年   132篇
  1992年   193篇
  1991年   209篇
  1990年   203篇
  1989年   216篇
  1988年   174篇
  1987年   171篇
  1986年   172篇
  1985年   215篇
  1984年   169篇
  1983年   161篇
  1982年   144篇
  1981年   130篇
  1980年   126篇
  1979年   176篇
  1978年   143篇
  1977年   127篇
  1976年   101篇
  1975年   119篇
  1974年   112篇
  1973年   120篇
  1971年   108篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
151.
The early stages of empathy in counseling—emotional reaction, role-taking, and cognitive suspension—have all been largely ignored in the counselor education/psychological literature. This article describes these stages from the perspective of the aesthetic/film literatures. Emotional reaction is an internal, unobservable state of being. Role-taking involves cognitive understanding and entering the perceptual world of another. Cognitive suspension means letting go of personal beliefs and values. The film literature describes how audience emotional states are created by directors, writers, actors, and editors. This article explains how counselor educators and supervisors can use this information to help counselors increase their empathic experiences.  相似文献   
152.
The steady-state electrical conductivity,as well as the dielectric propertiesbetween 2×10~(-4)Hz and 100 kHz,and at 1 GHz,are reported for urease compressed powdersamples of low hydration.The results show that the large,low frequency dielectricdispersion,known as α-dispersion,is due to the build-up of a space charge of protons atthe sample-electrode interfaces.A smaller dispersion,appearing at higher frequencies,isconcluded to be associated with hindered motions of the peptide residues in the molecularstructure of urease.The extent of these polypeptide backbone motions is shown to bestrongly depended on the extent of enzyme hydration.This work is contributed to the de-velopment of conductimetric biosensors.  相似文献   
153.
154.
155.
About 16,000 babies each year will be identified with hearing loss by age 3 months once universal newborn hearing screening becomes a reality. Identification of hearing loss in infancy, followed by appropriate intervention by age 6 months, can result in normal language development, regardless of degree of hearing loss. As the average age of identification of hearing loss moves downward toward 2 months, children with hearing loss will enter the educational system earlier and with language skills commensurate with those of their hearing peers. In order to provide appropriate services to children with hearing loss and their families, early interventionists will need to forge links to health care providers involved in universal newborn hearing screening programs, to have specialized training in deafness and hearing loss, and to have expertise in providing services to very young children and to children with hearing loss in the broad range from mild to profound.  相似文献   
156.
157.
Reading and comprehending content area texts is important for academic and professional success as well as life skills necessary to maintain good health and quality lifestyle. Spanish speaking English language learners have shown poor performance on high-stakes assessments in reading comprehension. The number of Spanish speaking English learners (ELs) in our schools continues to increase at a fast pace, and therefore it is imperative that we address their reading comprehension needs swiftly and effectively. The text structure strategy has shown positive results on comprehension outcomes in many research studies with students at Grades 2, 4, 5, and 7. This study is the first implementation of instruction about the text structure strategy expressly designed to accommodate the linguistic and comprehension needs of Spanish speaking ELs in Grades 4 and 5. Strategy instruction on the web for English learners (SWELL) was designed to deliver instruction about the text structure strategy to Spanish speaker English learners. A randomized controlled study with pre and post-tests was conducted with 14 classrooms at fourth-grade and 17 classrooms at fifth-grade in high poverty schools where over 85% of students were Spanish speaking bilinguals or ELs. Analysis of data using multi-level models show moderate to large-effects favoring the students in the SWELL classrooms over the business as usual control classrooms on important measures such as a standardized reading comprehension test and main idea and cloze tasks. This research has practical implications for the use of web-based tools to provide high-quality and supportive instruction to improve Spanish speaking ELs reading comprehension skills.  相似文献   
158.
The purpose of the study was to examine the relationship of classroom environment to attitudes toward science and achievement in science among tenth grade biology students. An attitude instrument was administered at three times during the school year to measure student attitudes toward science and the classroom environment. The classroom environment measures examined six areas: emotional climate of the science classroom, science curriculum, physical environment of the science classroom, science teacher, other students in the science classroom, and friends attitudes toward science. Student achievement in science was measured by teacher reported semester grades. The results of the study indicated: (1) student attitudes toward the classroom environment predicted between 56 to 61% of the variance in attitudes toward science, (2) student attitudes toward the classroom environment predicted between 5 to 14% of the variance in achievement in science, (3) student attitudes toward science and attitudes toward the classroom environment predicted between 8 and 18% of the variance in achievement in science.  相似文献   
159.
160.
The current study examines the association between parental support and adolescent sleep under varying levels of family stress. Participants included 316 adolescents (Mage = 16.40 years, 43% male) and their parents (Mage = 45.67 years, 91% mothers) from diverse ethnic backgrounds. Both adolescents and parents completed questionnaires and adolescents wore wrist actigraphs and completed self‐reports on their sleep for 7 consecutive days. Results indicated that under contexts of family stress, more parental support was linked to longer sleep duration, less sleep variability, and less time spent awake during the night. Findings suggest that under contexts of family stress, cohesive family relationships may provide a sense of stability and security that is necessary for healthful sleep.  相似文献   
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