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Satellite images from NASA and the European Space Agency have captured the appearance of the first sunspot of the new solar cycle. Sunspots are areas of intense magnetic activity, dark spots visible on the surface of the sun. Sunspot activity rises and falls with an approximately
"Space Observation" The beginning of a new solar activity cycle
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Xinhua News Agency, Xining, July 3 (Reporter Li Ning, Geng Huihuang) Brown bears passing through the forest, graceful snow leopards, playful and cute desert cats... In recent years, as the ecological environment continues to improve and the ability to capture the traces of living
Please note! There are brown bears and snow leopards here
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Recently, Mount Fuji in Japan has not erupted for 300 years. Once it erupts, the consequences will be unimaginable. Some scholars say that if Mount Fuji erupts, Tokyo, 80 kilometers away, will be plunged into darkness within two hours.
Notes on the discovery of power-free air conditioners (4) How to control volcanic eruptions and use their thermal energy to generate electricity?
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Dahe Daily·Yu Video Reporter Liu Ruichao Kang Yafei There is a famous story in "Liezi·Tang Wen", which is "Two Children Debating the Sun" in the textbook, "Confucius traveled eastward and saw two children arguing and asked why." Two children analyze from different angles when the
The "smallest sun of the year" appeared on Monday, and the "dog days" are gradually approaching
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Researchers test glass membrane roofs under real-life conditions in the rooftop greenhouse of the "Oberhausen Old Market Garden". (Source: Fraunhofer Umsicht) Glass roofs and architectural elements made of glass are not only visual highlights but also serve important functions. B
lightweight glass roof
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Recently, scientists discovered that two previously dead stars collided and combined to create a new star that burns hundreds of times as brightly as the sun and is covered in carbon and oxygen, the ash byproducts of helium fusion. Like fiery phoenixes, some stars may explode in
Two Death Stars collide and combine to create a new star
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The lobsters mentioned here specifically refer to the giant lobsters that live in the ocean. Their appearance is similar to the common lobsters in our lives, but their sizes are much larger. The reason why lobsters are said to be immortal is mainly related to an accidental captur
Theoretically, lobsters can live forever
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On July 2, Xin Baoan, Chairman of the State Grid Corporation of China and Secretary of the Party Leadership Group, went to Nari Group Co., Ltd. for investigation. He went deep into the front line of production and scientific research to learn about technological research, product
Xin Baoan, Chairman of State Grid Corporation of China, went to NARI Group for investigation
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Recently, a latest research jointly conducted by Chinese and foreign scientists successfully achieved direct imaging of the protostellar disk at the center of the Milky Way, "seeing" the "cradle of stars" at the center of the Milky Way for the first time. According to Chinese res
Dianjing Technology|Humanity “sees” the protostellar disk for the first time
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What happened to Tibet? 350 research experts gathered together, and they all claimed: They saw something incredible, which would bring at least billions of resources every year. Even the villagers stood around in surprise. What was going on? What exactly are these things, and wha
Tibetan villagers make new discoveries! 350 experts gather for investigation, bringing in at least 1 billion resources every year
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Proteins usually need to "work" through conformational changes. However, existing tools for tracking conformational changes of proteins in living cells are still lacking, and in many cases they cause great interference to the system or are not scalable (1, 2).
Cell | New system for tracking dynamic changes in protein conformation in living cells
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It can be seen from the radar echo that the intensity of the convective cloud group entering the Shijiazhuang area is very high, and it has shown an obvious dark red color on the radar, indicating that the convective activity inside the cloud group is very intense, and there is a
tragedy! Eight people died while taking shelter from the rain in Shijiazhuang! How powerful is extreme weather?
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It’s not why tumors occur, but why they don’t occur so early and so frequently is a more puzzling question. Recently, a work by researchers such as Wellcome Sanger Institute Phil Jones made an important exploration into this. The researchers believe that one of the important mech
Nature | "Game theory" in the disappearing "micro-tumor" tissue
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In addition to the well-known particulate pollutants such as PM2.5, ozone is also an important indicator for evaluating air quality. So what exactly is ozone pollution? What's the harm? Ozone is an allotrope of oxygen. It is a colorless or light blue gas under normal temperature
What is ozone pollution? What's the harm?
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Recently, researchers prepared a highly responsive conductive hydrogel with weather resistance, dual-functional sensing and antibacterial functions by adding silver nanoparticles and modified carbon nanotubes to polyvinyl alcohol/borax hydrogel.
Tianjin University of Technology: Highly sensitive, weather-resistant strain and temperature sensor hydrogels
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It is also expected to promote new progress in academic research and industrial applications of solid-state ZABs. A related paper titled "Water-in-Salt" Nonalkaline Gel Polymer Electrolytes Enable Flexible Zinc-Air Batteries with Ultra-Long Operating Time was published in "Advanc
Jiangnan University: "Water-in-salt" non-alkaline gel polymer electrolyte enables flexible zinc-air batteries
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Site Latest News
What this Du fan with hundreds of fans wrote made Grandma Kaikai like it: Speak out for justice. Twenty-eight is a big stage. After you sing, I will take the stage. People only have two skins on their mouths, so how can you feel better? A Du fan with hundreds of fans can write a
What did Du Fan, a fan with hundreds of fans, write that made Grandma Kaikai like it: Speak up for justice.
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Yesterday at about 4 o'clock, I saw the news in the company's DingTalk group. The supervisor said: "Three clues need to be added to the daily report." But I had already written it and almost didn't send it out. I was thinking: "Can I just add a line myself?" But I read the messag
Why is my understanding different from others?
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"We are in Japan now, and we have been working since 1 a.m., so we plan to go to bed after finishing the Vapp live show."
TWICE celebrates its second anniversary with live show to thank fans
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In addition to meeting the control requirements of the production process of the controlled equipment, the three-phase asynchronous motor control circuit must also consider the reliability of the circuit in case of malfunctions and abnormal working conditions. Because when these
Protection circuits commonly used in three-phase asynchronous motor control circuits in hotel projects
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Recently, JYP moved away from the building where they spent 17 years together and moved to a new building in another area of Seoul. All its artists seem to be very satisfied with the new building!
JYP artists happily praised the new company’s excellent environmental equipment! Only the boss Park Jin is reluctant to leave.
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In the evaporator, the heat of the cooled medium is transferred to the refrigerant through the heat transfer wall, causing the liquid refrigerant to absorb heat and vaporize. The physical state change of the refrigerant in the evaporator is actually a boiling process, which is cu
Factors affecting boiling heat transfer of refrigerant liquid in hotel engineering
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