How tough is the crucible? Even molten steel at over a thousand degrees Celsius cannot melt it. What material is the crucible made of
A crucible is a container used to melt materials such as metals and ceramics. Crucibles play an important role in industrial production, especially in fields such as metallurgy, chemistry, and oil refining...
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32 years ago, American scientists conducted an experiment where four men and four women lived in the same room for two years. What were the results?
In the 1960s, the Americans had successfully ventured into space and sent humans to the moon. In addition, the space hegemony between the United States and the Soviet Union was very serious at that time, and the Americans began to make bold ideas in order to rank higher than the Soviet Union:Can we directly create an ecological base on an outer planet in space where humans can live?With the proposal of this plan, the Americans began the experiment with great fanfare, with four male and four female participants,So what exactly is the result? Is it what people say gave birth to a football team or was the experiment successful?Experimental planThrough many years of exploration and experience accumulation, American scientists have discovered that in order to build an extraterrestrial ecological base,Only Mars in space meets the conditions for human survival and migration, but one fatal drawback is that there is no oxygen on Mars...
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Sexual addiction and scandals, exposing the ugly faces behind Bill Gates and many wealthy individuals around the world
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No exaggeration, no blackness. Huawei P60 has been in use for 3 days. Can you tell me about the user experience
The brands and models in the current mobile phone market are constantly emerging, making people dizzy. Among them, Huawei, as a representative of domestic mobile phone brands, has attracted people's attention...
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I am in Guangzhou and can no longer afford to ride a shared bike
I'm a bit curious: how many people are still riding shared bicycles among social animals like me?It seems that the tide of the internet has receded, and few people care about the story of shared bicycles. And as aAs an ordinary office worker, sharing a bike has still become one of the connections in my daily lifeImage source networkI am probably a seasoned user of shared bicycles: from the initial Little Yellow Car OFO and Orange Car Mobil, to the only remaining three giants - Meituan Bicycle, Haro Bicycle, and Qingju Bicycle;Over the past 7 years, almost every working day, shared bicycles have connected my social and livestock journey in GuangzhouI initially used Xiaohuangche OFO and paid a full deposit of 199 yuan...
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Russian mathematical genius: claimed that parallel lines can intersect, but was questioned and ended in frustration, which was confirmed 12 years later
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