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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
Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty
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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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In Thailand, because most vaccinated people have no symptoms or very mild symptoms when infected with the new coronavirus Omicron variant, many people have the option of quarantining at home.
Thai experts explain: How long is enough for COVID-19 patients to be quarantined?
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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
A major turning point for mankind will occur: all problems will no longer be a problem
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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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When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i
A large number of white mud ants appear in Qingdao! A boat catches 200 kilograms a day, and not only are they inedible, but they also eat clams
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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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Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.
An increase of 161,000 cases! New variant of COVID-19 detected in Europe! Fuel subsidy launched in October! France plans to limit property tax increases! Pasta and meat prices are going crazy
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It might be tempting to use a cup with a green “Plant-Based” label for a cup of coffee, or see that the plastic utensils in your takeout are “100% compostable.” Some comfort. So could a plastic made from plants rather than petroleum actually melt harmlessly in the environment?
"Science" Have you ever used environmentally friendly plastics made from plants?
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Since the terms information and entropy are used in many branches of science, this may sound strange to those familiar with the second law of thermodynamics. How could information and entropy be identical?
Conservation of information and the second law of thermodynamics, how can these basic laws be consistent?
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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
Intelligent slime mold
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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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Source: Shenyang Daily-Shenyang.com At about 8:20 on October 21, a gas explosion accident occurred at the intersection of South Qima Road, Taiyuan South Street, Heping District. As of 17:00 on the 22nd, in the relevant communities of Xinhua Street, a total of 1,512 residents had
Community workers, volunteers, and ordinary citizens gather love and warmth
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Picture text The defendant found out after trial that from August 2008 to July 2013, Gao Hong took advantage of his positions as deputy secretary of the Fuyu County Party Committee, secretary of the Fuyu County Party Committee, and director of the Propaganda Department of the Qiq
The female department official was tried and confessed in court: "I sincerely plead guilty and repent, and I will never reverse the case."
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In her early years, Gao Hong worked at the Qiqihar Academy of Social Sciences for many years, and later entered an official career. She served as the director of the Propaganda Department in Qiqihar City. Before her dismissal, many former officials in the city were investigated.
A female vice-principal was tried for taking tens of millions of dollars in bribes to gain political capital, and her old leader was dismissed.
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The reason behind Brazil’s victory over the Chinese women’s football team in the Olympics is revealed! The fans spoke up again, this time telling the truth. Netizens hotly pointed out: After watching the whole game, the Chinese defender doesn’t know how to mark man? Always follow
The reason behind Brazil’s victory over the Chinese women’s football team in the Olympics is revealed! Fans spoke out again, this time telling the truth
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Remember the mission, and in this red July, we have left many of the party’s imprints on the red land of Lin’an. Martyrs’ Memorial Hall, the former site of the New Fourth Army Garrison in Longshang. Address: Memorial Pavilion for Zhou Enlai’s Speech, No. 72, Longshang Natural Vil
let's go! Lin'an launches three red tourist routes
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The Beijing Shijingshan District People's Court deployed closely, implemented precise policies, and bravely showed its sword to overcome difficulties. It used "deepening the enforcement linkage mechanism, strengthening enforcement deterrence means, and coordinating the contract m
To overcome implementation difficulties, Shi Jingshan showed three sharp swords
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