共查询到20条相似文献,搜索用时 0 毫秒
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J.I. Crabtree 《Journal of The Franklin Institute》1918,186(3):371-372
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W.F.G. Swann 《Journal of The Franklin Institute》1935,219(5):636-639
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In a previous paper we used the backdrop of the Inca Empire for consideration of an appropriate locus for the discipline of informatics. The term informatics is used as a convenient umbrella term to stand for the overlapping disciplinary areas of Information Systems, Information Management and Information Technology. In this paper we consider one element from this case in more detail: that of the quipu. This enigmatic group of artefacts, consisting of complex assemblages of knotted cord, has been the subject of much debate. In this paper we interpret the case of the quipu as a non-familiar example of a data structure. This interpretation allows us to propose a number of essential or universal characteristics of data. It also permits us to provide greater clarity to the distinction between data and information. 相似文献
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《科学中国人》2020,(9):10-10
NLRP3炎性小体的激活驱动tau蛋白病理发生nature封面:tau蛋白(蓝色)在神经元内的聚集。nature杂志第7784期封面文章报道了NLRP3炎性小体的激活驱动tau蛋白病理发生。NLRP3炎性小体是一种参与人体天然防御的蛋白复合物,其在小胶质细胞内的激活对于β淀粉样蛋白斑块的形成至关重要。NLRP3炎性小体也会帮助驱动tau缠结的形成。研究表明,tau缠结在β淀粉样蛋白激活小胶质细胞和NLRP3炎性小体后形成,这验证了阿尔茨海默病的淀粉样蛋白级联假说。研究人员还发现,tau蛋白本身可促进该炎性小体的激活,这有望为理解其他神经退行性疾病带来重要启示。 相似文献
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摩擦角在工程力学中有广泛的应用,是工程力学的重要概念,如果在有关摩擦平衡的问题上巧用摩擦角处理却能收到意想不到的效果,它可以简化受力,减少运算,提高处理问题的效率。下面针对摩擦角的概念和应用作以下简要介绍。 相似文献
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James Kitson Leeds 《Journal of The Franklin Institute》1855,60(2):141-142
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James Kitson Leeds 《Journal of The Franklin Institute》1840,30(2):141-142