全文获取类型
收费全文 | 13232篇 |
免费 | 269篇 |
国内免费 | 15篇 |
专业分类
管理学 | 1601篇 |
民族学 | 80篇 |
人才学 | 1篇 |
人口学 | 1143篇 |
丛书文集 | 143篇 |
理论方法论 | 1222篇 |
综合类 | 695篇 |
社会学 | 6975篇 |
统计学 | 1656篇 |
出版年
2023年 | 71篇 |
2021年 | 107篇 |
2020年 | 209篇 |
2019年 | 254篇 |
2018年 | 328篇 |
2017年 | 477篇 |
2016年 | 323篇 |
2015年 | 265篇 |
2014年 | 311篇 |
2013年 | 2055篇 |
2012年 | 480篇 |
2011年 | 464篇 |
2010年 | 392篇 |
2009年 | 328篇 |
2008年 | 401篇 |
2007年 | 413篇 |
2006年 | 418篇 |
2005年 | 361篇 |
2004年 | 285篇 |
2003年 | 252篇 |
2002年 | 267篇 |
2001年 | 338篇 |
2000年 | 281篇 |
1999年 | 273篇 |
1998年 | 200篇 |
1997年 | 168篇 |
1996年 | 159篇 |
1995年 | 172篇 |
1994年 | 158篇 |
1993年 | 162篇 |
1992年 | 186篇 |
1991年 | 186篇 |
1990年 | 183篇 |
1989年 | 159篇 |
1988年 | 167篇 |
1987年 | 191篇 |
1986年 | 147篇 |
1985年 | 157篇 |
1984年 | 175篇 |
1983年 | 151篇 |
1982年 | 151篇 |
1981年 | 121篇 |
1980年 | 111篇 |
1979年 | 122篇 |
1978年 | 95篇 |
1977年 | 79篇 |
1976年 | 93篇 |
1975年 | 109篇 |
1974年 | 84篇 |
1972年 | 62篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
951.
952.
953.
A population of 72 bifocal wearers was studied to determine the relationship between VDT (video display terminal) placement for those who reported musculoskeletal pain and those who did not. The mean hours worked was 50.4 minutes (p=0.003) greater for those who reported head/neck pain versus those who did not and 48.6 minutes (p=0.004) greater for those who reported shoulder/arm pain that those who did not. There was no statistically significant difference between the means of monitor height, distance, or angle for those who reported pain symptoms versus those who did not. This study indicates that, self reported pain symptoms are correlated with hours of VDT work and that there appears to be a threshold at approximately five hours for pain symptoms among bifocal wearers. No such correlation can be made for monitor placement 相似文献
954.
Blauner (1995, Racism and Antiracism in World Perspective. Thousand Oaks, CA: Sage), Winant (1998, Ethnic and Racial Studies 24(4): 755–766) and Bonnett (1997, New Communities 22(1): 97–110) all express concern over the construction of racism as a white-only phenomenon and the corresponding degree to which whiteness is essentialized as a negative identity. This paper explores how white antiracism activists mediate between a static construction of white racism and a more contextual understanding of racism and possibilities for white activism. While whiteness is clearly hegemonic in the larger social world, within movements for racial justice, whiteness is often seen as suspect. Given this, white antiracism activists spend a fair amount of their activist hours negotiating a problematic identity. This paper explores the mechanisms by which such an identity is negotiated. I conclude that while white activism is complicated by a definition of racism that tends to essentialize whiteness, the activists have found ways to empower themselves and to conceptualize their relationship to racism and antiracism activism in a less rigid way. All of this contributes to our understanding of the complexity of white identity and efforts to demonstrate how it is an identity that, like other identities, is always in formation. 相似文献
955.
1. Research on working with a multidisciplinary team in inpatient mental health care is underdeveloped. 2. Knowledge of how to work as part of a team is taken for granted within the realm of professional training. 3. In effective teams, members value the support, knowledge, and professional development that membership offers. 4. Training teams to be more effective requires diverse educational strategies. 相似文献
956.
This article presents a developmentally supported implementation of Internal Family Systems Therapy for school-age children and their families. Relevant developmental characteristics of children are described. Suggestions for working with parents, child-oriented interventions, and a case example are presented. 相似文献
957.
Patterns of change on three intervention targets were examined in 151 families that participated in a family intervention designed to reduce and prevent children's aggressive behavior. Measures of parents' alliance and parenting skills and children's aggressive behavior were obtained at five times during the intervention. Three cluster analyses were conducted to identify patterns of change on each target. Linear and nonlinear patterns of improvement as well as two distinct patterns of no change were obtained. The patterns were differentiated by net improvement, overall level of skill, and trajectory of change. Family characteristics also differentiated the patterns and relations were found among patterns across intervention targets. The clinical implications of these findings are discussed. 相似文献
958.
This article summarizes gaps between assumptions that appear in the literature, research, and accepted standards for marital and family therapy (MFT) supervision, and the common practice of supervisors. Issues that stem from these gaps are highlighted and recommendations are made for closing them. In an effort to refine the standard of practice for MFT supervision, best practice recommendations are offered for MFT supervision. 相似文献
959.
Werner PD Green RJ Greenberg J Browne TL McKenna TE 《Journal of marital and family therapy》2001,27(4):459-471
In a 1996 article on family theory, we (Green & Werner) proposed that family enmeshment should not be equated with high cohesion and that the construct of enmeshment fails to discriminate between two distinct relationship processes: Closeness-caregiving and intrusiveness. In this study, our model of these two independent dimensions of family connectedness was tested by assessing spouses from 264 couples, using the California Inventory for Family Assessment (CIFA). The CIFA scales showed acceptable reliability. Significant interspouse validity correlations also were obtained. As predicted by our theory, factor analyses distinguished dimensions of intrusiveness (blurring of boundaries) from dimensions of closeness-caregiving (such as warmth and nurturance). On all but two factors, behaviors of only one spouse (but not of both) had interpretable loadings. That is, in most areas, the two spouses' behaviors did not load together to form meaningful factors. The latter finding suggests that family systems theory--with its central notion of reciprocally contingent behaviors between family members--may be useful in understanding only a few dimensions of spouses' behavior (such as reciprocal aggression) whereas personality-in-context theories may be better for understanding most other dimensions (such as warmth and nurturance). 相似文献
960.
Moe CL Christmas WA Echols LJ Miller SE 《Journal of American college health : J of ACH》2001,50(2):57-66
Norwalk-like viruses (NLVs) are transmitted by fecally contaminated food, water, fomites, and person-to-person contact. They are a leading cause of acute gastroenteritis epidemics in industrialized countries. NLV outbreaks are characterized by a 12- to 48-hour incubation period; nausea, vomiting, and diarrhea for 24 to 72 hours; and high secondary attack rates. NLV infections spread rapidly on college and university campuses because of close living quarters, shared bathrooms and common rooms, many food handlers, popular self-service salad bars in dining halls, and person-to-person contact through sports and recreational activities. The illness is generally mild and self-limited but an outbreak can strain the resources of campus health services and cause high absenteeism among both students and staff. Treatment is primarily through antiemetic medication and oral rehydration. Prevention and control of NLV outbreaks rests on promoting hand washing; enforcement of strict hygiene in all food preparation areas; and prompt, rigorous cleaning of potentially contaminated areas where someone has been ill. 相似文献