In Zhouyi culture, Feng Shui has a great influence on architectural art and garden art. From the palaces and gardens of the royal family to the courtyards of the peas of the people, it is very feng shui, not only for the Yang house (the living house). And the Yin House (the tomb of the dead) is very particular about it. So is the residential building feng shui really scientific and credible? The square view: residential building Feng Shui is "quasi-science" In many respects, Feng Shui is a product of the Chinese people's thoughts, such as persuading people to plant trees and bamboo to prevent wind, and stressing the value of flowing water close to the site. On the whole, feng shui contains significant aesthetic elements, and the beauty of the fields, houses and villages throughout China can be explained. †The feng shui of the residential building contains the orthodox feng shui architecture category. Combines a long-standing observation of the environment, geography, health, etc. The superstition should be removed. The current technology has confirmed a small part of Feng Shui, such as solar terms and magnetic north locations. They believe that the controversy is a misunderstanding of the definition of feng shui, and that these controversies involve only the part of Feng Shui that is related to the predicted fate. In the family decoration, "Family Feng Shui" also has its scientific components. The four principles of "Yin Yang", "Dragon", "Acupoint", "Sand Ring" and "Water Hug" are all indispensable. In order to make the gas gather without dispersing. Therefore, the ultimate goal of Feng Shui is to seek a good gas field and look for coordination between indoor and outdoor, which is the environmental science we are talking about today. Counter-Opinion: Residential Building Feng Shui is "Pseudoscience" The mainstream ideological and scientific community believes that Feng Shui belief is the superstition of the old world, hindering the Chinese people's architectural design, interior design and other creative ideas. The use of this folk belief as a professional feng shui, claiming that the choice of environment will affect the fate, the rationale is incompatible with modern science. The rationale for predicting the future is considered to be a pseudoscience because it has no scientific basis. Summary: Today, we apply Feng Shui to the viewing and home decoration, which should be based on scientific attitudes and techniques, respect science, and oppose pseudoscience. Feng Shui: "Water Sutra and Yishui" records the Yanguo Palace: "One water passes through the west side of Gu'an City, the south of the city is easy to water, the cliff is steep, the shore is deep, and there are two steps, there are two fishing platforms, and the difference is Hey, when you meet each other, you are better off." "The Book of Changes" is "The Word of One Yin and One Yang". "Laozi" records that "everything is negative to hold the yang, and the air is thought to be harmonious." The feng shui technique in ancient China has always been dominated by the yin and yang five elements, the Tiangan branch and the Zhouyi gossip, which is the dominance of Yi Xue culture.
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The grinding ratio of CBN wheel can reach 3500-5500, which is 100 times higher than that of ordinary corundum wheel and 3-5 times higher than that of diamond wheel.
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The grinding is sharp, the grinding force is small, the dressing cycle of CBN wheel is long, the dressing amount is less, and the replacement time is long. Long service cycle, high grinding ratio, can obtain better economy, good shape retention in use, do not need to change and trim grinding wheel often, save working hours, improve working conditions, is conducive to machining operation.
Cubic boron nitride is not suitable for grinding hard metals and non-metallic materials. At high grinding temperature, CBN will react with alkaline aqueous solution. CBN grinding wheel will decompose in alkaline solution at 300℃, and can decompose in trace amount in boiling water, which will destroy the crystal shape of grinding grains. Therefore, oily coolant should be used instead of water-based coolant during grinding.
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