Chemical changes and combustion properties of hydrocarbon compounds injected with ozone
Could you please click on the top right corner of the old manFollowIt not only facilitates your discussion and sharing, but also brings you a different sense of participation. Thank you for your support!Wen|Qiwu JunEdit|Qiwu JunprefaceOzone is a molecule composed of three oxygen atoms with strong oxidizing ability...
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Why can yellow and white people have children without reproductive isolation? Do humans really have species?
Today, I want to talk to you about a very interesting topic:Why can the white, black and yellow people on the earth combine with each other and have children without reproductive isolation?This question seems simple,The mysteries of human origin and evolution are actually involvedLet's explore together!Firstly, we need to understand what isReproductive isolationReproductive isolationUnable to produce offspring, or the offspring produced are sterileReproductive isolationThe answer isReproductive isolationThe early lifestyle of mixed livingHighly developed cultural mindThe first reason is the kinship and stable fertility traits of human originOnly about 200000 years agoHumans on EarthEthnic differences mainly stem from variations in representational expression, such as skin color, body shape, etcAnd the reproductive system remains highly similarThe second reason is thatThe early lifestyle of mixed livingReproductive isolationReproductive isolationThe third reason isHighly developed cultural mindDeeply influenced by the environment and social cultureHumans can also bridge these differences through psychological and cultural cognitionCross racial or cultural heterosexual relationships to gain unique attraction and satisfactionSports abilityThese differences are mainly caused by environmental adaptation, gene drift, gene recombination and natural selectionSkin colorSkin colorDHair and eye colorHair and eye colorSports abilitySports abilityThe appearance differences between humans only account for a small portion of the entire genome (approximately 0.01%)Reproductive isolationThis greatly enhances human genetic diversityIt can realize the flow and integration of cultural genes among peopleReproductive isolationWhich country's girls do you like best? Why?...
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Quantum information released the "Kuafu" quantum computing cloud platform
Beijing Business Daily News (Reporter Yang Yuehan) On May 25th, the 2023 Zhongguancun Forum opened. At the opening ceremony, the quantum information officially released the Quafu (Kuafu) quantum computing cloud platform...
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NVIDIA CEO's Warning on China Chip Warfare: Should Act with Caution
In a recent interview, NVIDIA CEO Huang Renxun issued a warning of the potential significant damage caused by the chip war against China. He pointed out that the export controls imposed by the US government on China's semiconductor technology have caused difficulties for US technology companies, preventing them from selling in important markets such as China...
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Thank you to Semiconductor for reading this article
The Sea "was written by Koga Chunjiang (Japan) in 1929On October 7, 2022, the US government implemented export controls in an attempt to hinder the development of China's semiconductor industry. An industry expert told the Financial Times: "This policy is aimed at stifling China's development of artificial intelligence and high-performance computing...
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Hua Chunying shares a video criticizing the dual standards of the United States: it's better to say that only the United States can talk about national security, while other countries cannot
On the 21st, the Chinese side announced that the products sold by American chip manufacturer Meguiar in China have not passed cybersecurity censorship, and the United States has taken the opportunity to "double label" again, hyping up the so-called "Chinese economic coercion". Regarding this, Chinese Assistant Foreign Minister and spokesperson Hua Chunying refuted on Twitter on the evening of the 24th, saying, "It's better to say that only the United States can talk about national security, and other countries cannot...
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Do you want to turn off data traffic when connecting your phone to WiFi? Many people still don't understand, but after reading it, they understand
Do we need to turn off traffic after connecting our phones to WiFi? Many people still don't know, my friends. Hello everyone, I am Xiaojun...
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Two major domestic companies have successively announced important decisions, and foreign media have revealed that China Chip's "fig leaf" has been torn open
As is well known, Huawei's ability to take the lead in developing 5G technology is inseparable from Ren Zhengfei's correct leadership and unwavering commitment to independent research and development over the past decade, with nearly a trillion yuan of research and development investment.It is precisely because of Huawei's rise in 5G that the Americans have become restless...
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Why must China disable Google Maps? Just look at what it did on the Russian Ukrainian battlefield, and you'll understand
Before reading this article, we sincerely invite you to click on "Follow" to facilitate your access to a series of high-quality articles at any time, as well as for discussion and sharing. Thank you for your support~In recent years, China's decision to ban Google Maps has attracted widespread attention and speculation...
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When Ma Yunhua acquired RT-Mart for 40 billion yuan, he never expected that the result would be like this
On May 31, 2021, Alibaba Group announced that it would acquire China's largest supermarket chain, RT-Mart, for 40 billion RMB, becoming one of the largest transactions in the history of the Chinese retail market.At that time, people had high hopes for this transaction, believing that it would become another combination of the Internet and traditional retail, promoting the comprehensive upgrading of China's retail industry...
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These five companies with charging stations are expected to carry the banner of rebound in the New Year
These five companies with charging stations are expected to carry the banner of a rebound in the New Year, as their performance is entering the fast lane. One of the companies saw a year-on-year increase of 415% in the pricing of charging stations in the first quarter...
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Behind Alibaba Group's 25000+layoffs: Reflections on a global layoff storm
Recently, news of layoffs in major companies has been constantly emerging. 58 cities, NetEase Youdao, Wanda, and well-known brandsAlibabaIncluding reports from abroad on BT and Disney in the United States, personnel optimization has been carried out to varying degrees,The proportion of layoffs ranges from 1% to up to 50%Unequal...
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