全文获取类型
收费全文 | 5093篇 |
免费 | 1452篇 |
国内免费 | 1篇 |
出版年
2023年 | 19篇 |
2022年 | 16篇 |
2021年 | 97篇 |
2020年 | 117篇 |
2019年 | 406篇 |
2018年 | 315篇 |
2017年 | 432篇 |
2016年 | 418篇 |
2015年 | 368篇 |
2014年 | 348篇 |
2013年 | 701篇 |
2012年 | 355篇 |
2011年 | 268篇 |
2010年 | 286篇 |
2009年 | 263篇 |
2008年 | 278篇 |
2007年 | 190篇 |
2006年 | 182篇 |
2005年 | 174篇 |
2004年 | 132篇 |
2003年 | 146篇 |
2002年 | 138篇 |
2001年 | 104篇 |
2000年 | 111篇 |
1999年 | 65篇 |
1998年 | 27篇 |
1997年 | 30篇 |
1996年 | 24篇 |
1995年 | 21篇 |
1994年 | 25篇 |
1993年 | 15篇 |
1992年 | 25篇 |
1991年 | 18篇 |
1990年 | 14篇 |
1989年 | 16篇 |
1988年 | 20篇 |
1987年 | 13篇 |
1986年 | 24篇 |
1985年 | 26篇 |
1984年 | 25篇 |
1983年 | 21篇 |
1982年 | 21篇 |
1981年 | 18篇 |
1980年 | 20篇 |
1979年 | 13篇 |
1978年 | 23篇 |
1977年 | 22篇 |
1975年 | 13篇 |
1973年 | 12篇 |
1971年 | 13篇 |
排序方式: 共有6546条查询结果,搜索用时 15 毫秒
81.
K N Brayley D J Albert 《Journal of comparative psychology (Washington, D.C. : 1983)》1977,91(2):290-299
Animals made vicious with bilateral ventromedial hypothalamic lesions had bipolar electrodes implanted unilaterally in the lateral septum, medial septum, or cingulate cortex. Four days later, the animals' reactivity and aggressiveness were evaluated 5 min before, during, and 5 min after stimulation at 20 micronA (60 Hz, sine wave). Lateral septal stimulation suppressed reactivity and aggressiveness by almost 80% compared with pre- and poststimulation levels. Stimulation of neither the cingulate cortex nor the medial septum produced a change reliably different from that seen in unstimulated control animals. Further tests with stimulation of the lateral septum at the 20-micronA level showed that neither rewarding self-stimulation nor disruption of ongoing water drinking was produced. These results are congruent with evidence from lesion studies that the lateral septum normally acts to suppress reactivity and aggressiveness in the rat; they do not support previous suggestions that the medial septum is involved in the modulation of these behaviors. 相似文献
82.
Three patients are described who displayed syntactic writing errors in combination with a motor speech disturbance and impaired motor limb function. Two of the patients had bulbar amyotrophic lateral sclerosis (ALS). Agraphia appeared when verbal communication was no longer possible. Autopsy in one patient disclosed only lesions consistent with ALS. The third patient had palilalia and chorea and, although not aphasic, his written language showed persistent syntactic errors. We hypothesize that the agraphia in these patients occurred because of the combination of disordered feedback from the motor speech apparatus and limbs. 相似文献
83.
This study examined the effects of a subject's sex and affiliative tendency and the other's physical attractiveness on the cross-sexual interaction of strangers. Although previous studies showed that one's interest in an opposite-sexed other is a function of the other's physical attractiveness, the actual behavior of individuals in the presence of attractive and unattractive others had not been systematically examined. Subjects were individually placed in a 5-min waiting situation with a physically attractive or unattractive target of the opposite sex who behaved in a standard way. Conversations were recorded and subsequently analyzed; subjects also provided their impressions of the targets following the waiting period. Physical attractiveness of the opposite-sexed other did not significantly influence the subject's verbal affiliative behavior, but the combined influence of a subject's sex and affiliative tendency was predictive of cross-sexual affiliation. Although physical attractiveness did not account for differences in affiliative behavior, subjects preferred attractive over unattractive targets as potential dates or marriage partners. 相似文献
84.
85.
86.
87.
Sidhartha S. Padhi Pan Theogrosse‐Ruyken Debabrata Das 《Journal of Multi-Criteria Decision Analysis》2015,22(3-4):213-229
This paper proposes an approach for strategic revenue management under uncertainty for real estate projects. It integrates three modelling techniques: first, artificial neural network integrated support vector machines for forecasting the profit and loss‐making real estate residential projects; second, analytical network process approach using decision making trials and evaluation laboratory methodology for establishing interrelationships among factors; and third, multiobjective genetic algorithm approach for obtaining optimal numbers and types of apartments in a real estate project. We compare the respective revenues generated with the new number of apartments and price from the suggested revenue maximization model and that of the old practiced one through a case study of India. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
88.
Bahar Tunçgenç Marwa El Zein Justin Sulik Martha Newson Yi Zhao Guillaume Dezecache Ophelia Deroy 《British journal of psychology (London, England : 1953)》2021,112(3):763-780
Why do we adopt new rules, such as social distancing? Although human sciences research stresses the key role of social influence in behaviour change, most COVID-19 campaigns emphasize the disease’s medical threat. In a global data set (n = 6,675), we investigated how social influences predict people’s adherence to distancing rules during the pandemic. Bayesian regression analyses controlling for stringency of local measures showed that people distanced most when they thought their close social circle did. Such social influence mattered more than people thinking distancing was the right thing to do. People’s adherence also aligned with their fellow citizens, but only if they felt deeply bonded with their country. Self-vulnerability to the disease predicted distancing more for people with larger social circles. Collective efficacy and collectivism also significantly predicted distancing. To achieve behavioural change during crises, policymakers must emphasize shared values and harness the social influence of close friends and family. 相似文献
89.
Joël Billieux Alexandre Heeren Lucien Rochat Pierre Maurage Sophie Bayard Romain Bet Chrystel Besche-Richard Gaëlle Challet-Bouju Arnaud Carré Gaëtan Devos Maèva Flayelle Fabien Gierski Marie Grall-Bronnec Laurence Kern Yasser Khazaal Christophe Lançon Séverine Lannoy George A. Michael Stéphane Raffard Lucia Romo Martial Van der Linden Aline Wéry Natale Canale Daniel L. King Adriano Schimmenti Stéphanie Baggio 《Journal of personality》2021,89(6):1252-1262
90.
Jrg Stolz Detlef Pollack Nan Dirk De Graaf Jean‐Philippe Antonietti 《Journal for the scientific study of religion》2021,60(1):83-102
The sociological literature has produced a remarkably consistent picture of the quantitative patterns of religious disaffiliations in Western countries. This article argues, and demonstrates, that strong changes in a social context may lead individuals to disaffiliate rapidly, leading to very different aggregate effects from those in the “western model.” We use the unique situation of the separation of Germany from 1949 to 1989 and its subsequent reunification as a “natural experiment” to show just how much the relationships routinely found can be disrupted under changed conditions. The state socialist “treatment” affected religious disaffiliations in East Germany profoundly as it (a) made disaffiliations 10 times more probable in the East than in the West in the 1950s and 1960s, (b) shielded East German church members from factors that led to mass disaffiliations in the West in the late 1960s and early 1970s, (c) reversed the education‐disaffiliation link in the East, thus making disaffiliation more likely among the less educated, and (d) led to an especially strong increase in disaffiliations in the East right after the reunification 相似文献