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《BMJ (Clinical research ed.)》1899,1(2003):1242-1243
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《BMJ (Clinical research ed.)》1899,1(1997):859-860
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《Plains anthropologist》2013,58(60):140-148
Abstract

An analysis of the activities of mid-career archaeologists, their social organization, and annual cycle reveals that this group can provide a working model for other counter-cultures  相似文献   

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D M Patrick 《CMAJ》1998,158(1):65-67
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The Secret Cemetery . Doris Francis, Leonie Kellaher, and Georgina Neophytou. New York: Berg, 2005. 298 pp.  相似文献   

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Ryazanov  A. G. 《Molecular Biology》2001,35(4):623-625
Proteins in cells are constantly undergoing damage. Nevertheless, the concentration of damaged proteins in young organisms is maintained at a low level owing to the continual protein turnover: breakdown of damaged proteins and synthesis of new ones. During aging, the concentration of damaged proteins increases because of decelerating protein turnover, the cause of which is unknown; however, it may be related to the decrease in ribosome concentration.  相似文献   

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白素芬 《生物学通报》2010,45(3):15-16,F0003
寄生蜂以其他昆虫为宿主营寄生生活,是昆虫中进化程度最高的类群,更是控制农林害虫的重要物种。在长期的进化中,寄生蜂产生了许多克敌制胜的秘密武器,如多分DNA病毒、毒液和畸形细胞等。这些寄生因子在抑制宿主免疫系统的攻击、调节宿主的生长发育、保证寄生蜂成功寄生的过程中发挥重要作用。  相似文献   

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Reflecting changing disciplinary orientation, recent perspectives on non-Western ritual clowns have rejected earlier functionalist interpretations and foregrounded themes of criticism, deconstruction, and subversion. In this essay, I interpret a ritual clown performance formerly practiced by the Northwestern Maidu of California both as an objectification, by way of symbolic inversion, of valorized cultural forms and as a metasociological discourse on the relationship between egoistic dispositions and normative disciplinary constraints. The interpretation suggests that functional and subversive meanings and effects are fusional rather than opposing elements in such performances and that the Maidu clown is best understood in relation to quotidien modes of deviance and to the diverse social locations represented in his audience, [clowns, inversionary ritual, Native North America, transgression, cultural criticism]  相似文献   

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A simple, practical method to watermark short trademarks or signatures into genomic DNA is introduced. Since the marking method is biologically innocuous, it can be applied to all commercialized bacteria to help establish brand names for the engineered strains and to resolve legal disputes regarding gene-related patents. The first such strain of Bacillus subtilis is engineered and is ready to be distributed.  相似文献   

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