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   270篇
  免费   7篇
  2023年   2篇
  2021年   1篇
  2020年   1篇
  2019年   9篇
  2018年   4篇
  2017年   9篇
  2016年   7篇
  2015年   8篇
  2014年   11篇
  2013年   85篇
  2012年   7篇
  2011年   5篇
  2010年   13篇
  2009年   10篇
  2008年   4篇
  2007年   10篇
  2006年   1篇
  2005年   6篇
  2004年   1篇
  2003年   6篇
  2002年   8篇
  2001年   7篇
  2000年   2篇
  1999年   3篇
  1998年   2篇
  1996年   1篇
  1995年   2篇
  1994年   2篇
  1993年   1篇
  1992年   6篇
  1989年   3篇
  1987年   4篇
  1985年   2篇
  1984年   4篇
  1983年   3篇
  1982年   1篇
  1981年   3篇
  1980年   2篇
  1979年   3篇
  1978年   3篇
  1977年   3篇
  1976年   1篇
  1974年   2篇
  1973年   2篇
  1972年   1篇
  1967年   1篇
  1966年   2篇
  1965年   1篇
  1961年   1篇
  1957年   1篇
排序方式: 共有277条查询结果,搜索用时 515 毫秒
21.
In 2006 a cast-iron coffin was discovered in an unmarked burial plot in Lexington, Missouri. A multifaceted investigation was conducted to provide historical documentation and possible identification of the individual. The coffin is an early Fisk Patent Metallic Burial Case. Osteological analyses indicate that the skeletal remains belong to a 20 to 30 year old white female who consistently ate an omnivorous diet with significant amounts of C4 plants or seafood. Rib morphology and her burial garments suggest she frequently wore restrictive clothing. No gross skeletal pathological lesions or trauma were observed except for a patch of reactive bone and an atypical pattern of bone remodeling on the visceral surface of the sixth rib. Subsequent bacterial DNA analysis of the ribs and sternum indicate the presence of tuberculosis infection. Although not conclusive, multiple lines of evidence are consistent with the skeletal remains representing Elizabeth (Triplett) Stewart who died in 1854 of pulmonary tuberculosis. This multidisciplinary research significantly contributes to the local history of Lexington, Missouri and provides a likely identification of the deceased individual for the Stewart Family.  相似文献   
22.
This article examines the intersection of law, gender, and modernity during the transitional Republican era (1912–49). It approaches the topic through a critical reading of the Republican Civil Code of 1929–30, and related commentary on the code by Chinese legal experts. By analyzing the gender assumptions embodied in several newly emergent categories of legal regulation, including legal personhood, minimum marriage age, consent, domicile, surnames, marital property, and child custody, the article’s line of questioning reveals how gender meanings helped to shape modern concepts like universality, equality, and freedom. The findings illustrate the ways in which Republican civil law broke with late imperial legal and gender norms tied to Confucian patrilineal ideology and in addition established new legal and gender meanings that helped to consolidate Chinese politics on a republican basis and to reconfigure modern gender difference on a conjugal basis.  相似文献   
23.
24.
25.
The range of stones cast by slings used in the past is debated. In the Central Andes, slings are asserted to be important weapons of prehispanic war, and have been recovered archaeologically. Rolled river cobbles and stones presumed to be slingstones found at fortified hilltop archaeological sites are presented as evidence that slings were used at these fortifications. Yet sling use has not been adequately tested at hillforts. Experiments conducted in Europe by a novice slinger have attempted to illuminate the range of sling cast stones at ancient hillforts. Data acquired from native slingers is necessary to more accurately assess distances achieved by projectiles launched by slings. We present data from sling experiments carried out in Puno, Perú among Quechua-speaking herders who are experienced slingers. The results demonstrate that a prior model of the maximum theoretical distance of sling cast stones underestimates their range. Results also show significant differences in the use of slings by men and women, and by different age groups. These new data permit a better approximation of warfare that has bearing on our interpretation of fortified sites.  相似文献   
26.
Optical Coherence Tomography (OCT) is a non-invasive subsurface 3D imaging technique based on the Michelson interferometer. The non-invasive nature of OCT and its speed of acquisition makes it possible to image large volumes of intact objects to yield a complete overview of the microstructure. The production methods for ancient Egyptian faience were first investigated using scanning electron microscopy (SEM) imaging of the microstructure in polished sections and microprobe analysis of the composition of the glass phases. These studies were based on original Egyptian faience objects and laboratory reproductions of faience beads made using three different production methods. The microstructure of the same laboratory samples and the Egyptian faience objects from the British Museum Research Laboratory Collection are re-examined using OCT. It is found that OCT virtual cross-section images can be used to group ancient faience objects into three categories on the basis of the morphology of the surface glaze layer and the glaze/core interaction layer. The OCT images correspond well with SEM images of polished sections of ancient faience objects and laboratory reproductions. The virtual cross-sections produced by OCT are somewhat limited by the penetration depth, which is affected by the high absorption coefficient of the material and, therefore, cannot always provide information on the presence or absence of interparticle glass that binds together the quartz particles in the core. Nevertheless, the top two layers are well imaged and since OCT images can be obtained rapidly and without the necessity of removing a sample, the method can be applied to a very much wider range of ancient faience objects than is possible by SEM examination of polished cross-sections. In summary, this paper examines to what extent OCT can assist the investigation of the production techniques of ancient Egyptian faience.  相似文献   
27.
This study addresses buff-firing clay sources in dynamic alluvial settings along Arizona’s Gila River in the U.S. Southwest. We establish clay resource distribution relative to the geomorphic histories of the Lower and Middle Gila River based on 38 clay samples and ethnographic data from two US Bureau of Reclamation (BOR) projects. Buff-firing clayey alluvium, deposited in the Gila River floodplain 800 to 1,500 or more years ago, was a surficial ceramic raw material source for prehistoric Hohokam and lowland Patayan potters. This geomorphic unit was later removed in some places and buried by up to 3-4 m of sediment in others, reducing the availability of buff-firing clays in the Hohokam Classic period and requiring historic Pee Posh and Akimel O’odham potters to dig pits to access it. Sources were further destroyed in catastrophic floods in the late 19th and early 20th century, affecting ceramic manufacture patterns and ultimately contributing to the decline of pottery production by the O’odham living in the Gila River Valley. Our results contribute to regional ceramic ecology and should also be of interest to others investigating alluvial clay use in general or buff-firing alluvial clays in particular. The study also illustrates the value of combining geomorphic and ethnographic data to examine major changes in resource distribution and use.  相似文献   
28.
The Indigenous people of New England’s middle Connecticut River Valley are often imagined as having been subservient to powerful tribal nations elsewhere. Yet, archaeological and ethnohistorical evidence suggests Pocumtuck independence and autonomy in relations with neighboring Native groups and with Dutch, English, and French colonizers during the seventeenth century. We employ a decolonizing framework, drawing on H.M. Wobst’s critique of the preoccupation with dominance and geopolitical “centers” to analyze this evidence. By framing artifacts, colonial texts, and cultural interactions as both past and present “material interventions,” we can generate better understandings of Pocumtuck political autonomy, agency and identity.  相似文献   
29.
This essay argues that translation in Se questo è un uomo (If This is a Man) (1947), as well as in related pieces, functions for Primo Levi as a key means for claiming and potentially repairing manhood. In its capacity to reposition meaning, translation functions as a powerful vehicle for affirming agency, particularly gendered agency. What emerges in Levi's writings, particularly in Se questo's “Canto of Ulysses” chapter, is the figure of the translator as resistance fighter: the man who uses his intellect, his love of languages and other men, and his desire to communicate in order to combat the assault on humanity perpetrated by Nazism and sustained by its legacy. In this Levi's writing exists on a continuum with the cultural work of the founding members of Giustizia e Libertà and, accordingly, complicates Italy's postwar understanding of partisan activity. Throughout Se questo è un uomo and related works, translation proves a vital if imperfect means for reclaiming manhood and for asserting the possibility of friendship across cultural, regional, ethnic, and gender boundaries.  相似文献   
30.
Pending the publication of new Soviet population data based on the 1979 census, to be hald next January, the author reviews population trends in the 1970's. After a steady decline through much of the Soviet period, birth rates and death rates have stabilized for the country as a whole, although marked regional differences continue. An unexplained rise in infant mortality and an apparent reduction of life expectancy have led to the suppression of data in these areas. No ready explanation is found for a recent increase in female fertility and age-specific death rates. Abnormalities in the age-sex structure, resulting from past population catastrophes, continue to persist and indicate future labor shortages. Geographical differences in population growth rates, resulting from differential rates of natural increase and migration, are analyzed. Urbanization, a typical phenomenon of the Soviet period, continues apace, with the biggest increases in large cities despite a policy designed to discourage big-city growth. A crucial question is the optimal disposition of the growing labor pool in the Central Asian region-whether to foster local employment or encourage migration from Central Asia to labor deficit areas elsewhere in the Soviet Union.  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