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Professors Li Hui and Xu Xiang from the School of Civil Engineering of Harbin Institute of Technology have achieved important research results in the field of ceramic airgel insulation. The paper was published on the evening of June 29, Beijing time, as "Semi-crystalline ceramic
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Elon Musk introduces the Dragon V2 spacecraft on May 29, 2014 in Hawthorne, California. In May 2020, millions of Americans witnessed two NASA astronauts: Robert Behnken and Douglas Hurley , aboard the Crew Dragon spacecraft, flying to the International Space Station at a speed of
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In a recent interview with German media, NASA Administrator Bill Nelson said freely that China may "take over" the moon as one of its military plans. China has stolen other countries' ideas and technologies, and the Chinese space station has learned how to destroy other people's
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Some time ago, the ANDA application of Hengrui Medicine's iodixanol was approved in the United States, which brought a long-lost excitement to the long-dormant generic drug industry and also aroused people's attention to generic drugs.
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When it comes to Hall electric thrusters, everyone always likes to describe them as "blowing a piece of paper". For example, the four Hall electric thrusters equipped in the core module of the "Tianhe" space station in my country have a single thrust of only 80 millinewtons, and
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"Nature is infinite, and human civilization and creation are also infinite." Do you really understand the various plants around you?
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If you compare a person with a computer, what interesting things will you find? First of all, you have to admire the powerful computing power of computers. The human brain is obviously at a disadvantage. Interestingly, although the computing power of the human brain is not as goo
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Author: Alfredo Carpineti Compiler: wuguanfy Image source: ESO/M. KORNMESSER Nova is a bright explosion in a binary star system where the white dwarf is stealing material from its companion star. This material is heated enough to ignite and ejected at high speeds, making the star
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As of July 2, researchers from various countries have discovered a total of 85 genetic sequences of the BA.2.75 variant in international new coronavirus genome databases such as "GISAID". This variant first appeared in the genetic sequence from India in early June, and then quick
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Rare earth is the general name for the lanthanide series elements and seventeen metal elements including scandium and yttrium in the periodic table of chemical elements. It was first isolated from the ore by Finnish chemist Gadolin in 1794. It mainly exists in nature in the form
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Introduction Particle removal from silicon wafer surfaces was studied using acid and alkaline solutions used in cleaning processes in semiconductor manufacturing. In the research reported in this article, we at Valincona studied the mechanism of removing particles adsorbed on the
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The Earth's core is cooling faster than we previously predicted, which could make things messy. But how did scientists discover this event? If the core temperature really drops, what impact will it have on our planet? In order to facilitate the understanding of this important dis
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For a long time, scrapped artificial satellites or launch vehicle payload compartments after launching satellites will still move inertly in space orbits. It is difficult to deorbit in a short time and re-enter the atmosphere and burn up. Therefore, they will remain in orbit for
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Just recently, the United States made another mistake. Their country's satellite actually came over our sky to take pictures, and a very surprising scene was discovered. Not long ago, the American satellite captured a magical scene over our country. When After reading it, Western
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Technical Background Titanium-based composite materials have excellent properties such as high specific strength and high temperature resistance. They are important materials used in the field of aerospace technology. For example, titanium-based composite materials are used to pr
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I read this passage today. The most painful thing is not parting, but the memories after parting. You may not laugh at the same joke over and over again, but you may cry over and over again for the same thing and the same person. , the deepest loneliness is that you clearly know
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▲The Central Meteorological Administration issued a special warning of heavy rain in Jiyi, Beibei, and it remained cool throughout the day. (Picture/File Photo/Photo by Reporter Zhou Chengen) Life Center/Taipei Report Affected by the northeast monsoon, the Central Meteorological
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1. Lee Sun Mi is a Korean female singer, 167cm tall. Why does she call her "leg sperm" when she is 167cm tall? It's because her legs are long, slender, white, and well proportioned. The legs are 100cm long. In 2007, he debuted with the singing group Wonder Girls and won the Most
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GM may develop a new turbocharged 2.0L LSY engine. GM's 2.0L turbocharged inline four-cylinder LSY gasoline engine is currently used in different GM vehicles and brands. According to sources, General Motors may be developing a new Turbo 2.
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The Tianji 8000-MAX processor equipped on OPPO K10 is ahead of the Snapdragon 870 in terms of performance, process technology, and 5G function support. It is considered top performance among mid-range mobile phones. The matching storage also provides LPDDR5 and UFS 3.1, which are
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At present, this function has not been officially launched, but internal testing has been launched, and the scope of internal testing is also expanding. Through actual testing, it was found that this function is not officially launched, but some users can obtain grayscale testing
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