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Flexible all-perovskite tandem solar cell with 24.7% efficiency Lightweight and flexible perovskites are very promising materials for manufacturing photovoltaics. However, the highest efficiency they have reported so far is about 20%, which is much lower than the efficiency of ri
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Human development is inseparable from science. Science deserves respect and scientists deserve respect. But science is also a double-edged sword. Every invention has its advantages and disadvantages. It still depends on who is wielding the sword. Things created by human research
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Genome-wide association analysis (GWAS) shows that more than 90% of disease-related mutations are distributed in non-coding regions, and the "tail" of the gene, that is, the 3'UTR (3' untranslated regions) region is more enriched, but its functional and direct Causal analysis is
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GGV has something to say: In the low-carbon era, do you understand carbon neutrality? Achieving carbon neutrality, simply put, means that an individual or group offsets the carbon dioxide gas emitted into the atmosphere over a period of time through afforestation, energy conserva
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Viruses can change the host's odor to attract mosquitoes: we know that mosquitoes (mosquitoes) are the deadliest animals in the world. Mosquitoes transmit diseases and are vectors of viruses and pathogens.
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Entropy is an important concept in thermodynamics, but it is also a difficult concept to understand. As my college physics teacher often said: There are (probably) only 4 or 5 people in this world who really understand entropy, and I don’t belong to them. Compared to other quanti
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We all know that electricity, as a product of the industrial revolution, is also one of the main energy sources for mankind. It not only replaced the previous steam power, but also greatly improved the production efficiency of factories. As a result, my country's manufacturing in
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After the explorers and botanists stayed in the tribe for a period of time, they were surprised to find that the entire tribe was very short in height, with almost no one over 1.5 meters tall. The average height was about 1.2 meters, with only a few individuals. Tall people can r
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China's first independently developed and manufactured 10,000-meter drilling rig, the "Crust No. 1" 10,000-meter continental scientific drilling rig, is the pride of the entire Chinese people. "Crust No. 1" is a 10,000-meter continental scientific drilling rig independently devel
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You must know why sea water is salty. Yes, because of the salt content (NaCl). Why is there salt in sea water, or not in rivers? In fact, both river water and sea water contain salt, but in different concentrations. In fact, the salt in the sea comes from land. Before there was w
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Inside a US hospital (data map) According to a report by NBC New York on the 5th, a new study from Yale University showed that a cancer patient in Connecticut, USA, was infected with the new coronavirus for 471 days. During this time, the virus mutated three times in his body. Th
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Engineers at Northwestern University have created a swarm of crab-like robots that could one day be used to perform complex tasks in small spaces. These robots are only half a millimeter wide, which might be a bit ridiculous in inches. They're made from a shape-memory alloy that
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What I find fascinating is how the proteins themselves actually become molecular machines, much like the kinesin GIF above or the ribosome below where some of the proteins assemble into biological machines.
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Sometimes diving to the bottom, sometimes coming out of the water, sometimes swimming... At the Baiji Dolphin House of the Institute of Hydrobiology, Chinese Academy of Sciences, the Yangtze finless porpoise baby "F9C22" is playing in the company of its mother "Fujiu". Mother and
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(Image source: Internet) Analog computers have been providing services to mankind long before digital computers swept the world. Now, the nature of quantum physics is causing us to reexamine the distinction between digital and analog. Quantum hardware companies like Pasqal are “e
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In recent times, everyone has noticed that the RMB exchange rate has been rising sharply. We have also talked with you several times. As of today, the RMB has broken through the 6.3 mark.
European currencies fell sharply, and the euro exchange rate fell below 7! Is the United States responsible for the European economic disaster?
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Recently, due to the influence of the turmoil between Ukraine and Russia, the currencies of some European countries have experienced considerable fluctuations. The first one to bear the brunt must be the ruble. The Russian ruble depreciated by more than 30% overnight. In addition
The exchange rate of the euro against the yuan fell below 7, and inflation is serious! Is this a dollar harvest plan behind it?
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Summary: The exchange rate of the euro against the renminbi on June 5: 1 euro is equal to 6.9580 yuan, and 1 yuan is equal to 0.1437 euros. Today's real-time quotes of the Euro to RMB exchange rate (updated at 10:08 on June 5, 2015): Currency exchange: 1 Euro = 6.9580 RMB 1 RMB =
Euro to RMB exchange rate: Today 1 euro is equal to 6.95 yuan
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According to the latest data released by the People's Bank of China, the euro exchange rate has fallen below the "7" integer mark for the first time since 2015. European sellers have been the first to bear the brunt. In addition, the recent impact of the situation in Russia and U
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Real-time market conditions (updated at 2016-10-13 07:01): Currency exchange 1 Euro = 7.4368 RMB 1 RMB = 0.1345 Euro exchange rate buying price selling price update time 7.
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When we have seen too many people, especially too many women, we will always understand: when women wear feathery clothes and stand gracefully in the wind, they are like proud peacocks, and like each other. The fairies in the heaven are elegant, dignified, charming and sexy, each
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