Results 1 to 10 of about 18,704 (160)
Experimental Modeling of Large Diameter Holes Based on Materials of Bronze Age Stone Axes
Поволжская археология, 2021 In the Urals, there are more than a hundred products with large-diameter holes, some of which are made using a copper tube. Experiments on hollow drilling in the expedition of S. A. Semenov have shown great complexity of this method.
Serikov Yuri B., Grekhov Sergey V.
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Muyrakyta ou muiraquita: um talismã arqueológico em jade procedente da amazônia: aspectos físicos, mineralogia, composição química e sua importância etnogeológica [PDF]
Acta Amazonica, 2002 Os muiraquitãs são artefatos líticos com formas batraquianas confeccionados principalmente em pedra verde, tipo jade, utilizados pelos povos Tapajó/Santarém e Conduri do Baixo Amazonas, dizimados pelos colonizadores europeus.
Marcondes Lima da COSTA +4 more
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The Copenhagen Journal of Asian Studies, 2022 This article discusses how the gemstone jade mediates guanxi (‘personal relationships’), and how guanxi mediates jade trade in China. Outlining some affective, spiritual, moral and somatic meanings and efficacies of jade, especially as a gift, the ...
Henrik Kloppenborg Møller
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Micromachines, 2022 The combination of printed circuit boards (PCB) and microfluidics has many advantages. The combination of electrodes, sensors and electronics is needed for almost all microfluidic systems.
Stefan Gassmann +4 more
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Location characteristics of tremolite jade from Dahua, Guangxi
地质科技通报, 2021 The tremolite jade found in Dahua County, Guangxi Province, is a new type of tremolite jade that has only appeared in the past two years with a low degree of research. But the jade in this production area occupies a large share in the market.
Zuowei Yin, Wenwei Wang, Qingchao Zhou
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Manufacturing processes of complex shapes and structures using 3D printing and augmented reality
Proceedings of the International Conference of Contemporary Affairs in Architecture and Urbanism-ICCAUA, 2023 The paper describes and evaluates the design and manufacturing process of complex shapes. A parametric structure is designed on the 3D-model, its shape is evaluated on the 3D-printed model, and is manufactured on a 1:1 scale using augmented-reality (AR).
Tobias Hanke +2 more
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The first greenstone axe in Hungary
Materiale și Cercetări Arheologice, 2021 Greenstone (typically, metamorphic rocks of distinctive green colour) axes were in high esteem during Prehistory. They had special prestige and were obtained from great distances.
Biró, K. +5 more
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Applied Sciences, 2022 The present review aims to discuss the importance of a multidisciplinary approach in cultural heritage and archaeometry investigations. The analytical methods used to identify and characterize “Green Stones” are discussed as an example.
Maya Musa
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Analysis of Crystallinity and Physical Properties of the Bio-solar Gemstone
Aceh International Journal of Science and Technology, 2020 – Bio-solar is one of the natural gemstones found in the province of Aceh in Indonesia. A recent study suggested that this gemstone could be considered as a vesuvianite type of gemstone.
Ismail Ismail +3 more
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TWIN FETUS ECG SIGNAL EXTRACTION BASED ON TEMPORAL PREDICTABILITY
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ, 2020 The most popular defects that infect new born babies have close connection with heart. Approximately 1% percent of new born babies suffering from defects that are caused by heart.
Mushtaq Talib +3 more
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