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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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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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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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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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On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.
Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction
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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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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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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
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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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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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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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When we were young, we all wanted to be a policeman, to uphold justice and eliminate violence. The editor has compiled the 2022 police academy application guide and the admission scores of 26 police academies for your reference if you want to become a police officer.
up to date! A summary of the admission scores of 26 police academies across the country! Attached is the 2022 Police Academy Application Guide
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From a macro perspective, this is a prerequisite issue in the career planning of high school students, which determines a student's future career orientation; from a micro perspective, it is a matter of students' rational understanding of the level of learning ability in various
The first choice in life: How to choose the liberal arts subjects in high school? It would be bad if you don’t look at these key points and choose them randomly.
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In the teaching process, teachers should pay attention to cultivating students' curiosity and guide students to question, investigate, and explore. 13. Attention is the direction and concentration of mental activities on certain things. It is a necessary condition for students to
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At 9 o'clock this morning, the 2019 summer college entrance examination officially kicked off. According to the "Shandong Province Pilot Plan for Deepening the Comprehensive Reform of College Entrance Examination and Enrollment", starting next year, Shandong's summer college entr
The last "Arts and Science Branch" of Shandong Summer College Entrance Examination! There will be these big changes next year
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During the interview, the reporter asked: When will they prepare to have a second child, and Chen Yanxi also generously said that having a second child is actually in their plan, and it is also the best thing for Xingxing to have a younger brother and sister to accompany her.
Chen Yanxi revealed that she was planning to have a second child and said she would share good news with everyone
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It has been less than half a year since her last response. On March 5, Chen Yanxi was interviewed by the media. When asked when she would have a second child, she said frankly: "Having a second child has always been in our plan. It is of course very happy to have a younger brothe
The relationship between the "Twin-Chen couple" is heating up again. Michelle Chen reveals her plan to have a second child, trying to break the rumors about marriage.
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