9 小时之前 · Many sections of the canal, measuring 35–50 cm wide and 30–65 cm deep, were carved into living rock. These sections feature flow regulators designed in a zigzag pattern to …

9 小时之前 · Abstract. The present study analysed archaeological pottery in the early Yayoi period of the prehistoric Japanese archipelago, i.e. Ongagawa style pottery, which has been …

9 小时之前 · A square pyramid and the associated abstract polytope. Here, the elements of a square pyramid can be defined as the partially ordered set. One modern approach is based on …

9 小时之前 · In ancient Greece, the serpent-haired Gorgon Medusa represented a terrifying force, while the serpent-entwined Caduceus symbolized healing and diplomacy. ... Contemporary art …

9 小时之前 · The ancient Chinese conceived of the earth—the human realm—as a square, like a tool in the citation above, and the heavens—the non-human realm—as round, like the …

9 小时之前 · To Liu Yanjun, imperfection is absolute and eternal, just like sculpting. When he realized there could be a different interpretation of it. TOUWANG:This is an exhibition made of …

9 小时之前 · Abstract. Aflatoxin B1 (AFB1) is the most widespread, toxic, and harmful mycotoxin, and maize is highly susceptible to AFB1 contamination, posing significant risks to human and …

9 小时之前 · Background Almost 10% of all known animal species belong to Lepidoptera: moths and butterflies. To understand how this incredible diversity evolved we assess the role of gene …

9 小时之前 · Georg Wilhelm Friedrich Hegel [a] (27 August 1770 – 14 November 1831) was a German philosopher and one of the most influential figures of German idealism and 19th …