全文获取类型
收费全文 | 677篇 |
免费 | 21篇 |
出版年
2024年 | 2篇 |
2023年 | 3篇 |
2022年 | 10篇 |
2021年 | 8篇 |
2020年 | 27篇 |
2019年 | 22篇 |
2018年 | 18篇 |
2017年 | 20篇 |
2016年 | 25篇 |
2015年 | 16篇 |
2014年 | 18篇 |
2013年 | 106篇 |
2012年 | 57篇 |
2011年 | 69篇 |
2010年 | 42篇 |
2009年 | 43篇 |
2008年 | 39篇 |
2007年 | 32篇 |
2006年 | 28篇 |
2005年 | 21篇 |
2004年 | 12篇 |
2003年 | 14篇 |
2002年 | 14篇 |
2001年 | 10篇 |
2000年 | 8篇 |
1999年 | 2篇 |
1998年 | 5篇 |
1997年 | 1篇 |
1996年 | 5篇 |
1995年 | 1篇 |
1994年 | 4篇 |
1993年 | 3篇 |
1992年 | 4篇 |
1990年 | 1篇 |
1989年 | 1篇 |
1988年 | 1篇 |
1981年 | 1篇 |
1980年 | 2篇 |
1979年 | 2篇 |
1978年 | 1篇 |
排序方式: 共有698条查询结果,搜索用时 15 毫秒
51.
唐凌 《中国边疆史地研究》2006,16(2):52-60
民国时期,桂系集团所实施的治桂方略中,“控制”和“发展”的成分共存。由于其立足点为开发经济、促进民族融合,因此为后来社会矛盾的缓解和边疆地区的稳定奠定了较好的基础。政府力量之所以能够发挥积极的作用,既取决于其职能的转变,也取决于相关社会因素的推动。 相似文献
52.
Pierre Morzadec Mohammad Dastanpour Anthony J. Wright 《Alcheringa: An Australasian Journal of Paleontology》2013,37(1):143-149
The discovery of two new Frasnian species of the subfamily Asteropyginae, Bradocryphaeus kermanensis and Radiopyge hamedii, in the Haruz section north of Kerman, east-central Iran, demonstrates for the first time the presence of North Gondwanan trilobites in this region. The two new species provide a link between faunas from Afghanistan to the east and the Alborz Mountains in north Iran. The recognition of R. hamedii confirms the validity of Radiopyge Farsan, hitherto known only from Afghanistan, as well as the presence in some Frasnian Asteropyginae of six pairs of lateral pygidial spines. 相似文献
53.
The Early Cretaceous Otway and Strzelecki Groups exposed on the southern coast of Victoria, Australia, have produced a fauna of dinosaurs that lived within the Antarctic Circle. As many as five or six species of hypsilophodontids numerically dominate the collections from there, but the rarer and more fragmentary theropod remains suggest a surprising diversity of carnivorous dinosaurs. A possible surangular and an isolated vertebra have characters considered diagnostic for Late Cretaceous oviraptorosaurs of the Northern Hemisphere. Other fossils suggest the presence of ornithomimosaurs, dromaeosaurids and neoceratopsians, and with the possible oviraptorosaur remains, challenge the widespread assumption that these animals originated on the northern continents. 相似文献
54.
Maria Ostendorf Smith 《International Journal of Osteoarchaeology》2002,12(4):235-247
There are few described cases of metastatic carcinoma from the prehistoric eastern United States and none primarily differentially diagnosed from the southeast. A mature adult female exhibiting several large lytic cranial lesions suggestive of neoplastic disease was identified in a late prehistoric Mississippian Period (AD 1200–1600) context. Burial 371 is from Ledford Island, a Mouse Creek phase (AD 1400–1500) site from the Chickamauga Reservoir of southeastern Tennessee. It is the only case in this reservoir (total adult n = 843). The radiographs of the otherwise asymptomatic postcranium yielded radiolucencies in both proximal femora, both medial clavicles, the sternum, the surviving humeral metaphysis and fragmentary innominate. The locations are all consistent with metastasized carcinoma. The identity of the possible primary lesion is argumentative. Age, sex and the mixed nature of the osseous response are consistent with carcinoma of the breast but not to the exclusion of bronchogenic, thyroid, or kidney cancers. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
55.
皖南地区的土墩墓及其出土文物反映了当时社会的生产、生活面貌,耕作农业有所发展、纺织等手工业初露端倪、原始青瓷生产日渐成熟、青铜冶铸业颇具规模并形成自身特色、社会分工日益细化。这些都是了解和探寻商周时期皖南先民经济生活状况的重要参考,具有重要的研究价值。 相似文献
56.
绍兴富盛跳山东汉建初买地摩崖是现存浙江境内有确切纪年的汉代摩崖,也是我国现存最早体积最大的买地券,被列为我国的汉刻重宝。通过追溯摩崖发现经过和结合相关史料,凸显此摩崖在金石学、社会政治经济学和书法艺术上的价值和地位。 相似文献
57.
冷战期间西方边疆理论的发展 总被引:1,自引:0,他引:1
董欣洁 《中国边疆史地研究》2005,(2):22-30,145
文章对二战后至冷战结束前的西方边疆理论进行了探讨,认为冷战期间的边疆理论所反映的是这一历史阶段国家对自身利益界限的理解和认识,其发展是人类社会生产力提高和世界形势变化的结果。 相似文献
58.
清末民初盛行通过日译本转译西方著作,汉语中引进了大量的日语词汇和句法。笔者认为,比起一直以来通用的“欧化”的说法,把此现象称为“日化”更为贴切。本文以鲁迅作品中的具体“日化”语言实例为证,论证了“日化”的语言事实。对于“日化”语言一直以来遭忽视的现象,笔者从政治、经济、文化心理、汉字等方面分析了原因。 相似文献
59.
P. B. Pettitt W. Davies C. S. Gamble M. B. Richards 《Journal of archaeological science》2003,30(12):1685-1693
It is now three decades since Waterbolk introduced evaluation criteria to 14C chronology. Despite this, and other subsequent attempts to introduce quality control in the use of 14C data, no systematic procedure has been adopted by the archaeological community. As a result, our databases may be significantly weakened by questionable dates and/or questionable associations between dated samples and the archaeological phenomena they are intended to represent. As the use of chronometric data in general becomes more ambitious, we must pause and assess how reliable these data are. Here, we forward a set of evaluation criteria which take into account archaeological (e.g. associational, stratigraphic) and chronometric (e.g. pre-treatment and measurement) criteria. We intend to use such criteria to evaluate a large 14C dataset we have assembled to investigate Late Glacial settlement in Europe, the Near East and North Africa, supported by the Leverhulme Trust. We suggest that the procedure presented here may at least form the basis of the development of more rigorous, scientific use of 14C dates. 相似文献
60.
国民政府时期的西北考察家及其著作述评 总被引:2,自引:0,他引:2
尚季芳 《中国边疆史地研究》2003,13(3):106-113
国民政府时期,在民族危机和“开发西北”的呼声下,一大批考察家来到西北。在极其困难的条件下,他们用力所能及的方式对这块土地进行了深入细致的考察,对当时西北的一些突出社会问题进行了详细记载和独到的剖析,在当时社会上引起了很大反响,为人们认识西北、开发西北起了很重要的先导作用。同时他们坚韧不拔、肯吃苦的献身精神,很值得我们学习和继承。 相似文献