cortex
发表于 2025-3-23 10:16:22
Shen Hong: A Legendary Engineer of China’s Modern Machinery Industrylopment of China’s modern machinery industry. From 1950s, as one of the major responsible persons, Shen Hong participated in or presided over a number of major projects in the Chinese machinery industry, including the introduction of Soviet equipment, the movement of agricultural mechanization, the
CRUC
发表于 2025-3-23 16:54:12
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排他
发表于 2025-3-23 21:30:18
An Overview on the Studies of the History of Machinery in Chinaorical materials and making reconstruction of machinery. In the 1950s, research on the history of machinery was supported by the central government of China. Since the early 1980s, studies of the history of machinery have been restored, and have developed. From different perspectives, Chinese histor
Admonish
发表于 2025-3-24 02:16:09
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用不完
发表于 2025-3-24 04:32:12
Literature Review on the Developments of Rice Milling Machinesent paper lucidly explains both traditional and improved methods for the rice milling operation. It speaks about the innovations that took place in dehusking machine from earliest times to the present and its future scope. The different types of designs and progressive developments with operating pa
横条
发表于 2025-3-24 09:02:46
Modeling an Antique Grinding Mill of Guanajuato Silver Mines (known as backyard benefit or “benefico de patio” in antique Spanish). After forming the amalgam, the silver used to be extracted by melting the mercury. The process needed a granular sludge that was produced in two grinding mills; the first mill was similar to a modern hammer mill, and it broke th
FOLLY
发表于 2025-3-24 12:22:35
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充满人
发表于 2025-3-24 18:15:04
Reconstruction and Analysis of Zhan’s Sand Clock in the 14th Centuryand four pairs of gears as the transmission system, it was able to indicate time by its hand on the clock dial. Although this invention is not preserved, an ancient literature provides a clear record of its mechanical structure of gear transmission with engineering data. This paper introduces the ba
aggressor
发表于 2025-3-24 21:47:04
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不透气
发表于 2025-3-25 00:56:49
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