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[Plumbing Valve Network News] Valve corrosion is one of the main reasons for valve failure. There are several forms or causes of corrosion, which can be roughly divided into six forms of corrosion. Corrosion is a natural wasteful way of drawing metals into their ores.
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Many people don't know why astronauts wear spacesuits even in the return capsule when they return to Earth. Since Gagarin entered space in 1961, more than 500 astronauts have launched into space to perform missions, of which 22 astronauts died during the mission.
Three Soviet cosmonauts are sleeping in space, and a special "remains" will fly out of the solar system
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Although the theories discussed on this topic appear to be a bit unfounded, there are many people in Europe and the United States who are preparing for "Judgment Day" and preparing various things in advance. Some people call them doomsday operators.
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Octopus is an invertebrate animal in the ocean, but compared with other earth creatures, octopus has too many unique characteristics, such as certain physiological structures and behavioral characteristics, that even more advanced vertebrates cannot compare with. . Judging from t
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High-end polyolefin - one of the eight new chemical materials, is a polyolefin product with high technical content, high application performance and high market value.
The over-trillion high-end polyethylene industry explodes! Have you seized this new blue ocean market?
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Ruben Tommasi and other researchers from Entasis Therapeutics in the United States used new rational design methods to simultaneously optimize the biochemical efficacy and membrane permeability of the lead molecule, and successfully obtained a compound that can effectively inhibi
Nature | Rationally design new types of antibiotics to effectively inhibit drug-resistant bacteria
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Mount Fuji is not as "immovable" as it appears on the surface. It seems that a force is rapidly building up inside! Some experts believe that Mount Fuji may erupt at any time; other experts disagree, believing that people are over-interpreting the recent anomalies in Mount Fuji!
Is Mount Fuji in Japan safe? Chinese satellite unexpectedly discovered that the snow area on the top of the mountain has decreased by 61% in 4 years
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The ten-year ban on fishing in the Yangtze River has initially yielded results. A large number of silver carp have appeared in the river, and the four major species of fish are also flourishing. However, with good news comes trouble, and the explosive growth of silver carp shows
The "Happiness and Worry" of the Yangtze River: A large number of wild silver carp appear in Zhenjiang. Why is the situation of anchovies so worrying?
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In the hot summer, do you want to "cool off" or even miss the cold winter? Dog sleds are actually mostly used in the Arctic or around the Arctic, because there is snow all year round, making it difficult for vehicles or horses to move. Therefore, sled dogs with snow wolf genes ha
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In Chongming, the mouth of the Yangtze River, there is a group of people responsible for a small but important part of this large project - fishing management. July 4th, sunny to cloudy, southeasterly wind of level 4-5 in the Yangtze River waters.
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According to the official WeChat message of the Lunar Exploration and Aerospace Engineering Center, the lunar rover and lander of the Chang'e-4 mission "Yutu 2" completed sleep settings at 19:14 on July 5 and 6:00 on July 6 respectively, completing the 44th It works during the da
Chang'e-4 completed its 44th lunar day work and entered its 44th lunar night sleep
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The complexity of the universe is endless. Therefore, to say that there are no aliens is to say that there is nothing wrong with your brain. Unfortunately, although we all believe in aliens, most of us have never seen them.
An alien spacecraft crashed to the ground, and Chinese characters were found on it. Are the descendants of Yan and Huang the chosen people?
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Text ✎Liangshu Editor✎Liangshu is not cool - the seismometer has been removed from the textbook - because there is a large part of the country at the junction of the Eurasian continental plate and the African plate, our country has also become one of the earthquake-prone countrie
Is the seismograph a scam? And it was removed from the textbook. Academician of the Chinese Academy of Sciences: Even the best things to do are better than this.
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Petroleum is known as the "blood of industry". With the continuous development of the global industrial revolution, coal's former status has been replaced by petroleum. After all, oil has a wide range of applications, but data shows that from 1965 to 2020, the average annual oil
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On May 19, Fudan University virologist Jiang Shibo and other scholars published a short review "Disease of influenza virus and SARS-CoV-2 coinfection: Flurona or Flucovid?" in the Journal of Medical Viruses, analyzing influenza. -Characteristics of Omicron co-infection.
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On June 28, 2012, biomedicine entered a new era. On this day, Science published a landmark paper online, introducing a new genome editing tool later referred to as CRISPR.
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Nowadays, more and more friends like to grow flowers. When everyone sees beautiful flowers, they want to take them home and plant them. Different flowers have different characteristics. Everyone likes flowers that bloom vigorously. Today I will share with you some flowers. Plant
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The newly renovated new home is undoubtedly very exciting when I arrange the furniture and detail the furnishings by myself. I plan and measure the dimensions every day. When I go to the mall, I want to buy everything I see and put it in the home. New home. However, there are a l
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Everyone should have heard of Chinese aesthetics, YYDS! Indeed, the cultural aesthetics we have cultivated through thousands of years of cultural accumulation are advanced, worthy of consideration, and proud of! In the history of Chinese furniture, the most respected and recogniz
Expose the market chaos of solid wood furniture. Successful people have become the biggest "taken advantage of"?
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Cashmere Industry News 1 Frankfurt Home Textiles Exhibition has concluded. The next session will be held in January next year from June 21 to 24. The world's most important textile industry exhibition - Frankfurt International Home and Commercial Textiles Exhibition Summer Specia
Frankfurt Home Textile Fair has concluded and the next one is scheduled for January next year / Some orders for autumn and winter clothing in Europe and the United States have been placed
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Since ancient times, Chinese people's "poetry and distance" have often been found not elsewhere, but in the "picture frame" in front of them. "Therefore, the stars and the moon enter my room, illuminating the window and creating wind in the courtyard." A window that can accommoda
Using the window as a guide, the Higold F2 series square shaft handle opens up thousands of moving scenes.
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A few days ago, he posted on his personal Twitter account that something funny happened to him, and the reason was that he asked Sir out of curiosity. i love affairs, unexpectedly the system recognized the command error and actually regarded the woman's question as a command to c
So embarrassing! Siri mistakenly sent a confession message to a beautiful girl, attracting 600,000 likes from netizens
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