Wilson Tennis Racket Ratings
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Gamma X-2 Tennis Stringing Machine $159.00 This tabletop tennis racquet stringing machine features strong, lightweight extruded aluminum construction and diamond-coated rotational ratchet gripper. The X-2 includes tools (pathfinder awl, straight awl, hex wrenches, straight pliers, and razor knife), and a built-in tool tray and drawer. A drop weight tensioning mechanism has a nine-to-90-pound range, and the turntable rotates 360 degrees. Tw... |
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US $39.95
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Instrument Industry
For decades, Wang Daheng the development of the optical industry in China has made an outstanding contribution. He was involved personally in the success of the first smelter in China of optical glass, leading the successful development of large-scale film theodolite, 3000 times / sec camera high-speed, high-precision gyroscopes, ruby lasers.
More importantly, successfully created their own hands by a number of teams China and optical scientific research, manufacturing and basic education, including Changchun Institute of Optics and Fine Mechanics and Physics, Optics Fine Mechanics and Shanghai, Chengdu Opto-electronics, optics and precision mechanics of Anhui University of Technology Changchun, Harbin University of Science and a number of national laboratories is a prominent representative. These bases of decades of our apparatus of science and innovation has contributed significantly to the development and promotion of a large number of exceptional talent.
"Science and technology are primary productive forces and modern instruments and equipment is one of the first three elements of productivity. "
"Science and Technology of China should be the same as the dragon was, this dragon head of information technology, instrumentation are the eyes of the dragon, to touch the image. "
This is one of 70 years of optics and scientific equipment of ancient science instrument industry of the wonderful views. The scientist and 93 years old, but still deeply concerned about and reflect on our country's independent innovation and scientific development path of the instrument of a famous scientist Wang Daheng.
June 1929, China and Society of control instruments held in conjunction with relevant units in the Great Hall of the People, "The report of Wang Daheng important thinking tools Scientists from the Academy of Sciences, "in commemoration of his scientific career, especially in optics and equipment, and the 70th anniversary of science.
Liu Yanhua, Vice Minister of Science and Technology attended the report spoke highly of Wang Daheng of scientific instruments made outstanding contributions to professional development and called on industry to learn to develop pioneering spirit Wang Daheng, the value of sacrifice, truth-seeking and pragmatic spirit and noble virtues science, focus on scientific instruments and other scientific tools to promote independent innovation and promote the importance of strong cohesion and dissemination of scientific thought, attach great importance to the scientific method have been summarized and training for promotion from the source to promote the innovation-based nation-building.
70 years pursuing the "light" road
Many people know that Wang Daheng Scholar a national "863 Program" one of the initiators and missiles "as well as a satellite," the hero. In fact, as implemented in China Optics scientific and optical engineering, optical Wang Daheng industry leadership recognized academic founder, pioneer and organization, but also in other areas are also a big success.
Wang Daheng 1936, graduated from Tsinghua University, Department of Physics, 1938, he went to study in the United Kingdom study the technology, optics, since it began research on optical glass, in 1942, he worked in Birmingham, England glass company Masaji engaged in the study of optical glass, until his return in 1948.
For decades, Wang Daheng the development of the optical industry in China has made a contribution outstanding. He was personally involved in the melting furnace success of the first optical glass from China, leading the successful development of the film large-scale theodolite, 3000 times / sec high-speed camera, high-precision gyroscopes, ruby lasers. More importantly, successfully created their own hands by a number of teams from China and scientific optical research, manufacturing and basic education, including Changchun Institute Optics and Fine Mechanics and Physics, Optics and Fine Mechanics Shanghai, Chengdu Opto-Electronics, Optics and Mechanics of Anhui Arts, University of Technology Changchun, Harbin University of Science and a number of national laboratories is a prominent representative. These bases for decades, innovation and development of instruments scientists of our country has contributed significantly and train a large number of talents.
Now it has entered into an advanced age also adhere Wang Daheng to study every day and work there. Read the instrument in optical projection screen monitor without effort, without a break to read newspapers and magazines professionals, concerned national and international events and Technology of China, especially China and optical optical science and technological advances in the world, not the top important recommendations.
The scientific instruments promoting industrial development
In a historical period quite long, the instrument is seen as machines on the management of machinery manufacturing sector. Because of its scale of production, production value and the market is not often enough to attract attention. These factors affect and hinder the rapid development of the instrumentation.
Wang Daheng in development of science and innovation is an important idea, that he believed that science is a new instrument of science, the rapid development, but also very interdisciplinary and innovation and sustain development, strengthening academic exchanges is essential.
In order to accelerate development of industries of instrumentation, Wang Daheng in different historical periods, using a variety of occasions, on many occasions to state and government to accelerate the development of proposals for implementation. Many of the recommendations have been adopted by the Government to promote and accelerate the development of instruments industry China has played an important role.
Liu Yanhua said that for a long time, Science and Technology attaches great importance to China's Wang Daheng academic scientists, scientific instrument development proposals and opinions, the work of independent innovation of scientific instruments placed on the scientific work and technology in an important position, scientific instruments and equipment innovation has achieved some success.
The Fellowship National Science Foundation Natural, former deputy director Wang Jin Guofan Daheng in "measurement technology is an important component of information technology is a source of information "Technology," instrumentation industries belonging to the "information industry", the instrumentation for the production industrial, scientific research, the construction of national defense and social life, playing a 'multiplier', 'edge' 'Combat' and 'embodiment of the judges and the important role of "a series of important ideas for the development of instrumentation industry is the name refers to the road, gas drums.
"10 years, the rate the output value of China instrument industry more than 20% growth rapid annual growth of Instrument Science and Industry to address the excellent location, the impact of the important ideas of Wang Daheng Academy contributed. " Guofan said. About the Author
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