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As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int
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Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1).
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Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t
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Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl
Why do American experts want to blow up the moon and leave the earth without seasons? What is their purpose?
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The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr
Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?
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Rats are a very disgusting animal. Many people eat the food they just bought at home before they even open it and taste it. People usually gnash their teeth when talking about this animal. From ancient times to the present, people have used various methods to try to eliminate the
What would happen if all the rats in the world died? Will mankind also suffer catastrophe?
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The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th
Why is it said that it rained for millions of years before the earth finally had an ocean?
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Protecting wild animals is everyone’s responsibility. The reporter learned from the Guangdong Coast Guard Bureau on July 7 that recently, law enforcement officers from the Nan'ao Work Station of the Guangdong Shantou Coast Guard Rescued a pangolin, a national first-level wild pro
Meet a "cute" on the road! Coast Guard law enforcement officers warmly rescue pangolins, national first-level protected animals
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[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment...
"Popular Science" "Degradable Plastics" Revealed
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Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.
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Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l
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01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio
Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.
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Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.
Water was discovered in ancient galaxies, which surprised astronomers. What happened?
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Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th
Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level
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In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.
Introduction to applicable industries of mycotoxin detectors
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How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can
Instructions for using online residual chlorine analyzer
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Site Latest News
On June 24, Beijing time, the NBA 2022 draft officially kicked off. In the pre-game predictions, there was no suspense about the top three picks, which would be Jabari Smith, Holmgren and Benqueiro.
Upset! The top three picks of the 2022 draft are announced, the Magic are surprised, and the Rockets are expected to be the winners
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We finally came to the guard stage. Since the top three picks basically occupy the top three picks, the fourth pick is particularly attractive. Obviously, the safest move is to select the No. 1 guard in this class, Jaden Ivey from Purdue University.
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Downturn! In the first round of the Malaysian Masters, Zhao Junpeng lost to Kanta Tsuneyama 0-2 and stopped in the first round. On the evening of July 6th, Beijing time, the 2022 Malaysia Badminton Masters ushered in a focus event for men's singles. In the just-concluded match, Z
Downturn! In the first round of the Malaysian Masters, Zhao Junpeng lost to Kanta Tsuneyama 0-2 and stopped in the first round.
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On the same day, in the first round of the mixed doubles match of the 2022 Malaysia Badminton Masters held in Kuala Lumpur, the Chinese combination Wang Yilu/Huang Dongping defeated the South Korean combination Ko Sung-hyun/Yum Hye-won 2-0 and advanced to the next round.
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The 2022 Malaysia Masters 1/16 finals will be held in Kuala Lumpur at 10 o'clock on July 5. It is a Super 500 tournament with a total prize money of US$360,000! There is a qualifying round for this event, with 4 out of 16 men's singles and 4 out of 8 in other events. The live vid
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On the same day, in the first round of the mixed doubles match of the 2022 Malaysia Badminton Masters held in Kuala Lumpur, the Chinese combination Wang Yilu/Huang Dongping defeated the South Korean combination Ko Sung-hyun/Yum Hye-won 2-0 and advanced to the next round.
(Sports) Badminton-Malaysian Masters: Wang Yilu/Huang Dongping advance to the second round
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