Application of eddy current displacement sensors in the condition of rotating machinery
Since the start of construction in 1993, the Three Gorges Project has seen the birth of new technologies, new processes, and new patents every year. According to incomplete statistics, among the scientific and technological achievements of the Three Gorges Project, it has won 18 national science and technology progress awards, over 200 provincial and ministerial science and technology progress awards, applied for more than 700 patents, and established over 100 engineering quality and technical standards that exceed national and ministerial standards.
Zhang Zhihui, a postdoctoral researcher at the China Three Gorges Corporation's research station and an associate researcher at the Institute for the History of Natural Science at the Chinese Academy of Sciences, was invited to write an article titled "Three Gorges Project: Creating a New Height in International Water Conservancy and Hydropower Technology," which was exclusively published in China Economic Weekly.
On July 21, 2010, the Three Gorges Dam had opened nine deep flood discharge holes and two drift discharge holes for flood discharge.
Zhang Zhihui, postdoctoral researcher at China Three Gorges Corporation's research station and associate researcher at the Institute for the History of Natural Science at Chinese Academy of Sciences
Editor: Chen Dongdong
Review Editor: Zhang Wei
(This article was published in China Economic Weekly Issue No.14 in 2019)
The Three Gorges Project is the only major national engineering project approved by the National People's Congress. From its design proposal to repeated scientific demonstrations before construction officially began, it embodies the care and support from the Party and government for this project. The construction started on December 14, 1994, and entered initial operation in October 2006; it is currently the largest water conservancy hub project in the world.
From its inception with permanent ship lock high slope excavation to unit manufacturing, installation debugging, and operational management, the Three Gorges Project has faced various anticipated and unanticipated challenges. Ultimately, scientists overcame numerous technical difficulties to achieve over a hundred 'world records.' Since construction began in 1993, new technologies, processes, patents have emerged every year. According to incomplete statistics on scientific achievements from this project: it has won 18 national science and technology progress awards; over 200 provincial-level science awards; applied for more than 700 patents; established over a hundred engineering quality standards exceeding national standards.
In fact, starting from the 1950s, generations of scientific experts have begun tackling research challenges related to the Three Gorges Project. Major topics proposed by experts such as key equipment for ship lifts have been included in national 'Seventh Five-Year,' 'Eighth Five-Year,' even 'Ninth Five-Year' research efforts. The persistent efforts of over forty thousand builders of this project along with thousands of engineers from research institutes across China have propelled deep advancements in its scientific research.
The application of scientific achievements from the Three Gorges Project profoundly reflects China's current level of water conservancy and hydropower technology—especially showcasing local scientists' independent innovations in fields like engineering construction, electromechanical equipment development, ecological protection etc. In 2011, The Three Gorges Dam was recognized as an international milestone concrete dam project. In 2016 it received FIDIC's Centennial Award for Major Civil Engineering Projects.
In April 2018 during his inspection of the Three Gorges Project General Secretary Xi Jinping pointed out that it is a crucial asset for our nation created through hard work by laborers who achieved self-reliance; he felt very inspired after seeing it. The successful completion and operation of this project have turned generations of Chinese people's dreams about developing and utilizing resources into reality—it has become an important symbol of China's development since reform and opening up. It exemplifies how our socialist system can concentrate resources on major tasks effectively; showcases Chinese people's wisdom and creativity; represents how our nation is increasingly moving towards prosperity.
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