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Derveni krater, bronze, 350 BC, height: 90.5 cm (35 1 ⁄ 2 in.), Inv. B1, Archaeological Museum of Thessaloniki, after cleaning and conservation. Conservation and restoration of metals is the activity devoted to the protection and preservation of historical (religious, artistic, technical and ethnographic) and archaeological objects made partly or entirely of metal.
Reduction of these emissions are expected to come from a shift in the main production route using cokes, more recycling of steel and the application of carbon capture and storage or carbon capture and utilization technology. In 2008, steel began trading as a commodity on the London Metal Exchange. At the end of 2008, the steel industry faced a ...
Iron, steel, and ferrous metals constitute a large portion of collections in museums. The conservation and restoration of iron and steel objects is an activity dedicated to the preservation and protection of objects of historical and personal value made from iron or steel. When applied to cultural heritage this activity is generally undertaken ...
While sustainable architecture and construction standards have traditionally focused on reducing operational carbon emissions, there are to date few standards or systems in place to track and reduce embodied carbon. [6] While steel and other materials are responsible for large-scale emissions, cement alone is responsible for 8% of all emissions ...
The sculpture of ancient Greece is the main surviving type of fine ancient Greek art as, with the exception of painted ancient Greek pottery, almost no ancient Greek painting survives. Modern scholarship identifies three major stages in monumental sculpture in bronze and stone: the Archaic (from about 650 to 480 BC), Classical (480–323 BC ...
Chinese steel swords make their appearance from the 5th century BC Warring States period, although earlier iron swords are also known from the Zhou dynasty. The Chinese Dao (刀 pinyin dāo) is single-edged, sometimes translated as sabre or broadsword , and the Jian (劍 pinyin jiàn) double edged.
Therefore, different types of iron could be found at different heights inside the furnace, ranging from wrought iron at the top of the tatara (furthest from the heat, lowest temperature), to cast iron towards the middle, and finally steel towards the bottom (with varying degrees of carbon content.) [3] Importantly, tataras did not exceed 1500 C ...
Polykleitos: The Doryphoros, the summary of the aesthetic idealism of Classicism. The sculpture of Classicism, the period immediately preceding the Hellenistic period, was built on a powerful ethical framework that had its bases in the archaic tradition of Greek society, where the ruling aristocracy had formulated for itself the ideal of arete, a set of virtues that should be cultivated for ...