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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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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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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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The male protagonist is a physics genius. He discovered the secret of time at the age of 28 and successfully invented a time machine. He is a sure winner in life! Just when this great god was about to solemnly announce his great discovery to the world, an accident happened! Of co
Science Fiction - Interpretation of "Ripples on Dirac's Sea"
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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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Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other
Japanese scientists develop new carbon capture system that can quickly and directly capture low-concentration carbon dioxide
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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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my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful
Xining is awesome! For the first time, China achieved
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This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Lily Introduction: Fat cells can be divided into "white" and "brown" - white fat cells are responsible for storing fat, and their weight accounts for about 15%-20%
"Nature" rekindles brown fat cells and eliminates excess fat
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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.
Cell | David Liu and others review the research progress of gene editing vectors
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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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According to the Healthy Shandong WeChat public account, from 0:00 to 24:00 on July 1, 2022, Shandong Province reported 2 new locally confirmed cases, both in Qingdao, which were detected during the quarantine period.
Shandong reported 5 new local infections yesterday, all in Qingdao
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According to Kyodo News, Japanese Prime Minister Shinzo Abe entered Keio University Hospital in Shinanomachi, Tokyo on the morning of the 17th. According to sources, the detailed reason is not yet clear, but people close to Abe said that "this is a routine physical examination."
Shinzo Abe enters the hospital, official residence source: Checked to ensure he is fine
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August 24 is the 2,799th day of Japanese Prime Minister Shinzo Abe’s consecutive term in office. At this point, Abe surpassed his maternal uncle Eisaku Sato and became the longest-serving prime minister in Japanese history. However, it was also on this day that Abe once again wen
After being in power for a record-breaking 2,799 consecutive days, Shinzo Abe was hospitalized again and attracted attention
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"I hope that my physical condition will be safe, and I will continue to work hard in the future." According to the latest news from Jiji News Agency, on the afternoon of the 24th local time, Japanese Prime Minister Shinzo Abe was interviewed by reporters at the Prime Minister's R
Two weeks in a row! Shinzo Abe went to the hospital again, and he responded: I hope his health is safe
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According to Japanese media reports, on August 17, local time, Japanese Prime Minister Shinzo Abe entered Keio University Hospital in Shinanomachi, Tokyo for treatment. Although the reason for his admission is still unclear, it still aroused suspicion among various domestic parti
Japanese Prime Minister Shinzo Abe was suddenly admitted to the hospital. The opposition party in the parliament said: If the health is not good, he should be replaced.
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On the morning of the 17th local time, Japanese Prime Minister Shinzo Abe went to Keio University Hospital in Tokyo for examination, which quickly aroused heated discussion from the outside world.
Abe went to the hospital again. Is it a routine check-up or a recurrence of an old disease?