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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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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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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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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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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).
Cell | Open state myocardial sodium channel structure
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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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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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Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.
From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life
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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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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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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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Site Latest News
According to NBA reporter Tim Reynolds, the total bonus for the NBA playoffs this season is approximately US$17.3 million, about half of which will be allocated to the Celtics and Warriors.
The total playoff bonus this season is approximately 17.3 million. If the Warriors win the championship, they will receive a bonus of 4.4 million.
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The first game of the NBA playoff semifinals has been played. The Suns defeated the Mavericks 121-114 at home, leading 1-0. Doncic performed very well in this game. He played 44 minutes, making 15 of 30 shots, 4 of 11 three-pointers, 11 of 14 free throws, and scored 45 points, 12
40+ for the 6th time in the playoffs, becoming the first person in NBA history! Cuban, you can take action.
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If you want to do keyword marketing well, you must have good titles and content. Last time we introduced how to increase your website traffic. This time we will focus on 4 aspects. Baijuhui will tell you where to find keywords and assist with keywords. Marketing tools.
Cross-border Notes: The most comprehensive keyword tool in history, integrated analysis, there is always one that suits you!
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To be honest, with the popularization of computers, the application of projectors has become more and more widespread. Whether it is classes, training, reporting projects, etc., projectors are needed as auxiliary equipment to display our materials.
Put work and entertainment in your pocket--XGIMI Mango Xiaomi Micro Projector
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36Kr learned that Sensor Tower store intelligence data showed that Douyin and TikTok attracted more than US$308 million in the global App Store and Google Play in March 2022, 2.1 times the same period last year, and continued to top the global mobile application revenue list.
Chinese Company Globalization Weekly | China will promote BRICS countries to deepen pragmatic financial cooperation
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Users can make reservations through Tmall to test drive Model S, Model
Deepin 20BETA released; Google slows down recruitment this year; Alibaba Cloud launches Alibaba Cloud Conference
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