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   3776篇
  免费   154篇
  2023年   32篇
  2021年   17篇
  2020年   59篇
  2019年   60篇
  2018年   405篇
  2017年   321篇
  2016年   362篇
  2015年   90篇
  2014年   94篇
  2013年   710篇
  2012年   117篇
  2011年   249篇
  2010年   253篇
  2009年   110篇
  2008年   134篇
  2007年   135篇
  2006年   56篇
  2005年   57篇
  2004年   34篇
  2003年   19篇
  2002年   18篇
  2001年   24篇
  2000年   19篇
  1999年   28篇
  1998年   15篇
  1997年   17篇
  1996年   20篇
  1995年   17篇
  1994年   11篇
  1993年   20篇
  1992年   17篇
  1991年   21篇
  1989年   10篇
  1988年   14篇
  1987年   18篇
  1986年   24篇
  1985年   18篇
  1984年   16篇
  1983年   19篇
  1982年   24篇
  1981年   19篇
  1980年   14篇
  1979年   15篇
  1978年   14篇
  1977年   13篇
  1976年   15篇
  1975年   15篇
  1973年   11篇
  1969年   11篇
  1967年   15篇
排序方式: 共有3930条查询结果,搜索用时 15 毫秒
71.
72.
73.
From the beginning of Anselm's career as abbot of Bec he was a shrewd and skilful politician. Eadmer describes him as using a certain ‘holy guile’, having great psychological insight, and using methods of kindly persuasion supplemented by logical argument to gain his ends.This pattern is reflected in the church-state controversies in England. Anselm outlined this method to his successor at Bec, showing him an effective way of advancing and enriching his monastery.Anselm had a definite program of reform for the English church. From the beginning he had a vision of the archbishop of Canterbury as primate of Britain, a co-ruler of the kingdom. Anselm also claimed certain specific rights: to recognize and contact the papacy; to hold councils for the reform of the church; to receive the archbishopric free from simony; to hold the lands of Canterbury free from the king's control or from extraordinary taxes; and to ban lay investitute.During his rule Anselm accomplished all these goals, one by one, by taking advantage of times when the kings were faced with political crises and pressing his claims just then. He acted shrewdly, at times with ‘holy guile’, at times with skilful negotiation, but always aware of the potent effect of public opinion. Thus Anselm reflected the growing concept of raison d'état in the Anglo Norman state, and thereby used his raison d'église more effectively.  相似文献   
74.
75.
76.
77.
“When the Welsh language dies the Welsh Congregational Union of Monmouth will of necessity die. The day of the burial of the Welsh language will be the burial day of the Union, which for centuries has been the means of the hands of God's Spirit to turn many to the Saviour. When the Welsh language expires, the spirituality and sacredness of religion will expire at the same time.”[1]The cultural transition from Welsh to English in the developing South Wales coalfield before 1914 is reflected in the language used in Baptist chapels. Nonconformist chapels were foci of the emerging industrial culture, and the Baptists had a universal appeal to both Welsh- and English-speaking populations. The geographical distribution of Baptist chapels categorized by language of foundation is analysed in three chronological phases, during which the coalfield was transformed from a uniformly Welsh cultural area before 1860, through an intervening phase of linguistic heterogeneity, to a situation in the final phase after 1890, when the dominance of Welsh was restricted to the western section only. Moreover, the period after the foundation of a Welsh chapel was characterized by linguistic instability, since processes at work in the community created pressures for linguistic change from Welsh to English. The ensuing linguistic transition from monoglot Welsh through bilingualism to monoglot English is examined in the Monmouthshire section of the coalfield, and suggests a progressive “rolling-back” of Welsh from east to west, a rapid and regular process in which bilingualism was only a transient resting-place.  相似文献   
78.
The original fineness of coins is very important information that can help us to understand the commercial situation in a wide historical context. This paper deals with a comparison of analytical methods suitable for the evaluation of the actual and original fineness of coins based on a detailed case study of a medieval coin sample. Both non‐destructive (i.e., scanning electron microscopy/energy‐dispersive X‐ray spectroscopy, X‐ray fluorescence, atomic force microscopy and hydrostatic weighing) and destructive (i.e., inductively coupled plasma – mass spectrometry and the Volhard titration method) techniques were used. The original fineness can be also deduced from knowledge of the internal structure of the coin (limited miscibility of copper and silver). A new analytical method based on a combination of a micrograph of the metallographic cross‐section with consequent image analysis was developed for determination of the original fineness. The proposed approach is relatively simple and provides reliable values. Sample heterogeneity and its impact on the determination of fineness are also discussed.  相似文献   
79.
80.
This article presents a Bayesian method based on spatial filtering to estimate hedonic models for dwelling prices with geographically varying coefficients. A Bayesian Adaptive Sampling algorithm for variable selection is used, which makes it possible to select the most appropriate filters for each hedonic coefficient. This approach explores the model space more systematically and takes into account the uncertainty associated with model estimation and selection processes. The methodology is illustrated with an application for the real estate market in the Spanish city of Zaragoza and with simulated data. In addition, an exhaustive comparison study with a set of alternatives strategies used in the literature is carried out. Our results show that the proposed Bayesian procedures are competitive in terms of prediction; more accurate results are obtained in the estimation of the regression coefficients of the model, and the multicollinearity problems associated with the estimation of the regression coefficients are solved.  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