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The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast
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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
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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
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We’ve seen blue skies on sunny days, black skies on rainy days, gray skies on cloudy days…but what about green skies? It seems that it is only possible in science fiction movies, or on some alien planet beyond the earth. Will there be green skies on the earth we live on? The worl
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One laboratory announced its new establishment. From a common sense point of view, since it has been released to the public, it must not be a small laboratory or it must be responsible for some insignificant fringe projects; since a laboratory has been established and publicly an
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In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw
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Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh
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Researchers such as Gao Fu from the Institute of Microbiology, Chinese Academy of Sciences, have just published an article in NEJM introducing the neutralizing ability of volunteer sera with different vaccination programs against Omicron subtypes. Under similar conditions, two do
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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
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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
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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.
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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
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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.
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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
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Ke earlier said on Facebook that he found that some Ke Hei, PTT and flanker fans had many comments about his condition. "For these, I think 'living is the greatest revenge'."
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China Taiwan Net, March 1st According to Taiwan's "China Times Electronic News", Taipei Mayor Ko Wenzhe temporarily canceled the event yesterday afternoon because he felt unwell and had diarrhea and other symptoms suspected of norovirus infection. As a result, he was maliciously
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[1] In the Ming Dynasty, local officials such as offices and divisions were established: "In Hongwuzhong, it was changed to Baixing Qianhu Office, the salt well guard was renovated, and the salt department was set up in Erjing. In the fifth year of Yongle, Ma Lachang Guansi was e
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He worked as a monk but married 10 wives, worked as a bandit but was admired by thousands of people, painted fake paintings but was hailed as a national treasure, and was romantic all his life but said: No matter how old you are, you still have to fall in love! He comes from a sc
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Regarding the upcoming House of Representatives election, Japanese Prime Minister Shinzo Abe made a "bold statement": If the Liberal Democratic Party and the Komeito Party fail to obtain more than half of the seats, they "will step down and resign."
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Friends who are familiar with Japanese culture should have heard that Japanese people like to use seasoning to describe a man’s appearance, which has become one of Japan’s subcultures. The more famous three types of looks are salt type, soy sauce type and sauce type. However, in
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