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The present bioarchaeological study examines the external diaphyseal geometric properties of humeri, radii, femora and tibiae of the Classic period skeletal population of Xcambó, Yucatan, Mexico. The diaphysial proportions are evaluated using a biomechanical approach together with data from the material context and other osteological information. Our intent is to provide new answers to questions concerning lifestyle, domestic labour division and subsistence strategies of this coastal Maya settlement that was inhabited from the Late and Terminal Preclassic (300 BC–350 AD) to the Postclassic Period (900–1500 AD). Our results provide evidence for a marked sexual division of labour when compared with values from contemporaneous inland populations. The overall male and female loading patterns differ remarkably in terms of form and in bilateral comparison. A high directional asymmetry in the upper limbs is evident among males, a condition related to maritime transportation and trading activities. On the other hand, female upper limbs are characterized by very low side differences. Forces on the arms of women were probably dominated by food processing, in particular the grinding of grains or seeds. In the lower limbs, males show significantly higher anteroposterior bending strengths, which can be explained by greater engagement in transportation tasks and carrying heavy loads. In the course of the Classic period (350–900 AD), diachronic changes affect the male sample only, which suggests a shift of occupational pattern and physical demands. This shift, in turn, reflects Xcambó's changing role as the centre of a densifying settlement area and its place in the trading activities of northern Yucatan. Other topics of discussion relate to general regional trends and local prehispanic subsistence strategies. Our conclusions emphasize the value of geometric long bone analysis in the reconstruction of activity patterns and lifestyles in ancient coastal settlements. Copyright © 2007 John Wiley & Sons, Ltd.  相似文献   
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Book reviews     
PARLIAMENTARY GOVERNMENT IN SOUTHERN ASIA, by Sydney D. Bailey. The Hansard Society, London, 1953, in co‐operation with the International Secretariat, Institute of Pacific Relations. Pp. 100. Price 9s.

INDEPENDENT IRAQ, a study in Iraqi Politics since 1932, by Majid Khadduri. Issued under the auspices of the Royal Institute of International Affairs. Oxford University Press. London, New York, Toronto, 1951.

NATIONALISM AND REVOLUTION IN INDONESIA, by George McT. Kahin. Cornell, New York 1952. Pp. 490.

LIBERATION IN SOUTH AMERICA 1806–1827: THE CAREER OF JAMES PAROISSIEN, by R. A. Humphreys. University of London: The Athlone Press, 1952. Pp. XI, 177. Maps and illus. Price 25/‐.

JAPAN IN WORLD HISTORY, by G. B. Sansom. Issued under the auspices of the Japan Institute of Pacific Relations, International Secretariate of the Institute of Pacific Relations, New York, 1951. 94 pp.  相似文献   

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During prehistory fire-setting was the most appropriate technique for exploiting ore deposits. Charcoal fragments found in the course of archaeological excavations in a small mine called Mauk E in the area of Schwaz/Brixlegg (Tyrol, Austria) are argued to be evidence for the use of this technology. Dendrochronological analyses of the charcoal samples yielded calendar dates for the mining activities showing that the exploitation of the Mauk E mine lasted approximately one decade in the late 8th century BC. Dendrological studies show that the miners utilised stem wood of spruce and fir from forests with high stand density for fire-setting and that the exploitation of the Mauk E mine had only a limited impact on the local forests.  相似文献   
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Strontium isotope analysis on human remains from the Iron Age (4th/3rd century BC) cemeteries of Nebringen, Germany and Monte Bibele, Italy were carried out to investigate the role of residential changes during the period of the historic “Celtic migrations”. From an archaeological perspective, the location of the cemeteries in the Celtic core (Nebringen) and expansion area (Monte Bibele), and the distinctive development of their material culture, suggest that the buried populations had differing mobility rates. On the contrary, the strontium results indicate that only few individuals were mobile or non-local. There is, however, a difference in variation of strontium isotope ratios between the two studied cemeteries, presumably caused by differing geological conditions. In Nebringen changing use of cultivated land in a geologically heterogeneous environment most likely caused varying strontium isotope ratios even within the same jaw, while individual mobility over longer distances can also not be excluded. In Monte Bibele the range of strontium isotope ratios is narrow, and this may be explained by a community living in the same village and using the same agricultural resources. For various prehistoric time periods it has been suggested that some population groups were more mobile than others, for example because they had special social roles. In the two cemeteries studied here, males have slightly more often a non-local birthplace or moved during childhood. In contrast, females had isotope signatures which are more consistent with the local geological environment. Male mobility is, however, not correlated with burial as a warrior, and patrilocal residential patterns were not observed among females. Foreign and local items are found with isotopically local and non-local individuals and objects per se do not indicate descent. The motives for residential changes were, therefore, varied and not constrained to a specific area or population group. The presented dataset provides details on the way of life and land-use in the Celtic communities, for which information is otherwise absent.  相似文献   
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Kurt 《世界》2011,(6):124-131
沿着加利福尼亚的阳光山谷向南前行,渐入佳境,广袤大地呈现出细微的感动,过渡到宏大的震撼,深邃的优胜美地山谷是羹与感动的巅峰,加州最著名的自然旅行家约翰缪尔曾经赞叹说:“上帝似乎总是在这里下工夫装扮美景。”在这里,自然万物低喃,汇聚碰撞出最动人的交响诗。  相似文献   
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