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A vintage impact test machine. Yellow cage on the left is meant to prevent accidents during pendulum swing, pendulum is seen at rest at the bottom. The apparatus consists of a pendulum of known mass and length that is dropped from a known height to impact a notched specimen of material. The energy transferred to the material can be inferred by ...
Chinese musician playing the yueqin (right), 1874. The word yueqin is made of two characters, yuè (月 "moon") and qín (琴 "stringed instrument, zither"). Its name in Korean (wolgeum), Japanese (gekkin) and Vietnamese (nguyệt cầm) mean the same thing, and are Sinoxenic words, meaning they were borrowed from Chinese, but pronounced in the local way.
After being invented in the pre-Qin era, Chinese music was closely influenced by and influenced other cultures. In the ancient period, music was often associated with various factors, such as singing and dancing. It was a comprehensive art form, conveying themes including production, sacrifice, and anticipation for a better life.
The Izod impact test differs from the Charpy impact test in that the sample is held in a cantilevered beam configuration as opposed to a three-point bending configuration. The test is named after the English engineer Edwin Gilbert Izod (1876–1946), who described it in his 1903 address to the British Association , subsequently published in ...
Qin forms are shapes or styles which a qin can be made in. In the Wuzhi Zhai Qinpu there is a large number of qin forms listed with their origins. The most popular form is the Zhongni 「仲尼式」 form, which is named after Confucius' style-name. It is the most simple yet elegant.
In 224 BCE, Qin began preparations for an invasion of Chu, one of its rivals among the six states.During a discussion between Ying Zheng and his subjects, the veteran general Wang Jian claimed that the invasion force needed to be at least 600,000 strong to succeed against Chu, but the younger general Li Xin believed that 200,000 men would be sufficient.
Journal Citation Reports (JCR) is an annual publication by Clarivate. [1] It has been integrated with the Web of Science and is accessed from the Web of Science Core Collection. It provides information about academic journals in the natural and social sciences, including impact factors. JCR was originally published as a part of the Science ...
The term Daqin (Chinese: 大秦; pinyin: Dà qín; Wade–Giles: Ta 4-ch'in 2, Middle Chinese: /dɑi H d͡ziɪn/), meaning "Great Qin", is derived from the dynasty founded by Qin Shi Huang, ruler of the State of Qin and China's first emperor who unified China's Warring States by 221 BC. [4]