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For a long time, scrapped artificial satellites or launch vehicle payload compartments after launching satellites will still move inertly in space orbits. It is difficult to deorbit in a short time and re-enter the atmosphere and burn up. Therefore, they will remain in orbit for
Quick facts: Off-orbit sails
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According to the Financial Associated Press on July 5, TusDesign stated on the interactive platform that micro-inverters are an important component of the small photovoltaic power stations independently developed by the company. The company does not develop and produce micro-inve
TusDesign stated that the micro-inverter is an important component of the small photovoltaic power station independently developed by the company.
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Rare earth is the general name for the lanthanide series elements and seventeen metal elements including scandium and yttrium in the periodic table of chemical elements. It was first isolated from the ore by Finnish chemist Gadolin in 1794. It mainly exists in nature in the form
Türkiye has discovered nearly 700 million tons of rare earths, which can be used globally for 1,000 years. Will my country be affected?
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Since Bill Nelson became the new administrator of NASA in March last year, he has repeatedly exaggerated the "Chinese space threat theory" in public. No, according to a report by Germany's "Bild", a few days ago in a In a public interview, Nielsen once again expressed his views o
The director of NASA promoted the "space threat theory" and said that China will occupy the moon. China's aerospace industry responded domineeringly
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Semiconductor The semiconductor industry belongs to the electronic information industry and the hardware industry. It is an industry developed based on semiconductors. The upstream is the semiconductor supporting industry, including semiconductor materials and semiconductor equip
A shares: The four most promising semiconductor leaders in the next five years, and the localization of Chinese chips is accelerating
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[Source: Xiaoshan Disease Control] Ultraviolet (Ultraviolet, UV) is invisible light with a higher frequency than blue-violet light.
How to effectively protect against UV rays in summer?
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Looking at the black bear rushing out in front of him, the old man's heart skipped a beat. Why was the black bear charging towards him? I saw a swarm of bees following behind the black bear. Upon seeing this, the old man immediately jumped into the pool next to him, and the black
An old man in Jilin rescued an injured Siberian tiger. When he went up the mountain the next day, he was attacked by a black bear. The tiger risked his life to save him.
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Mud brick village on boulders! It happens to be located in the Thingvellir Rift Valley between the Eurasian Plate and the American Plate! The Weaver's Nest, one of the largest bird's nests in the world! Stranded sperm whales have no teeth in their upper jaws! The "diapers" used b
49 rare photos that most people born in the 1970s have never seen. Have you seen them?
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Introduction Particle removal from silicon wafer surfaces was studied using acid and alkaline solutions used in cleaning processes in semiconductor manufacturing. In the research reported in this article, we at Valincona studied the mechanism of removing particles adsorbed on the
Removal of particles on the surface of silicon wafers during wet cleaning by Valincona
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As we all know, the brain (central nervous system) is known as the "headquarters" of the body. It controls the body's sensations, behaviors, autonomic nerves, and various mental symptoms. So conversely, can the body control the brain? The answer is yes. For example, compounds rel
Nature sub-journal: Scientists discover the "liver-brain" neural circuit that regulates eating behavior
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Researchers such as Jiang Hao from the University of Virginia School of Medicine discovered that a tumor suppressor gene that is frequently mutated in a variety of tumors can function through liquid-liquid phase separation (1). The protein encoded by this gene is UTX.
Nature | Tumor suppressor genes can function through liquid-liquid phase separation
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Recently, CBS broke a piece of shocking news: a photo that may be an "alien shiti". It is said that this photo is related to the original "Roswell Alien Incident".
75 years later, the media found new evidence of the "Roswell UFO incident". Do aliens really exist?
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The droplets or deposits formed by liquid-liquid phase separation can help cells assemble functional structures to help them perform normal functions. However, currently little is known about the localization rules of its formation rate and the causes of its specificity (1).
Nature | How to produce liquid-liquid phase separation droplets at regular intervals?
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Denise Kühnert and other researchers from the Max Planck Institute in Germany extracted hepatitis B virus sequences from 137 early human samples located in western Eurasia and the Americas from about 400 to 10,500 years ago and analyzed their evolution.
Science | The evolution of hepatitis B virus over the past ten thousand years
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Researchers such as Roger Geiger from the University of Ticino in Switzerland creatively modified a strain of Escherichia coli to adjust the tumor microenvironment and enhance the effect of immunotherapy.
Nature | Modifying bacteria to adjust the tumor microenvironment and enhance the effect of immunotherapy
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Researchers such as Stefano Piccolo from the University of Padua in Italy discovered that YAP/TAZ, a key factor in mechanical force signaling, plays a key role in cellular aging.
Nature | Mechanical force signaling cascades to immune regulation of cellular senescence
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China-Singapore Jingwei, July 6. On the evening of the 5th, Du Xiaoman responded on Weibo to some media reports that "depositors discovered that Du Xiaoman's deposit products have become financial management." Du Xiaoman said that no modifications have been made to the relevant p
Du Xiaoman responded to "Savers' deposits become financial management": No modifications were made
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Liu Bang, the emperor of the Han Dynasty, loved the woman he loved most in his life, named Qi Ji. He loves Wujiwu, and he also dotes on their son, King Zhao Liu Ruyi. However, Liu Bang knew very well that if one day he was gone, Qi Ji and her son would definitely be made things d
Zhou Chang, Liu Bang’s only trusted minister: learn his method of “square on the outside and round on the inside”
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Chairman Mao has never returned since he left his hometown of Shaoshan in 1927 to start a revolution. During this period, Chairman Mao inquired about the situation in his hometown whenever he had the opportunity, and also contacted relatives and friends.
In 1959, Chairman Mao returned to Shaoshan to visit his fellow villagers and saw a woman wearing leather shoes: Are you corrupt or not?
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Xie Hui received a call from the former national football coach: A summary of the Chinese Super League general manager’s video conference and other latest news. The Chinese Football Association has organized a video conference for the general managers of each team in the three di
Xie Hui received a call from the former national football coach, Achim Peng left the Meizhou Division, and the Chinese Super League general manager meeting
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Chris Haynes, a well-known NBA reporter, recently reported that Shetelia Riley Irving said in an interview that Irving is eager to rejoin LeBron James. After the transaction is completed, he is only willing to renew his contract with the Lakers and trade to other teams. The team
Irving only agreed to renew his contract with the Lakers and joined forces with James to put pressure on the Nets. Other teams would not sign him even if they offered him 250 million.
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In the past few days, the current situation of Tutelidze and her daughter Diana Davis has become the focus of the Russian media. It is no exaggeration to say that the Russian figure skating world was affected by the news of these two people. On July 6, Beijing time, the latest ne
Earthquake in Russian sports! The meritorious coach went to the United States but did not return. His daughter once played for Russia in the Olympics and has become an American citizen.
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