What are the changes in the properties of hydrogenated nitrile rubber after surface modification of polytetrafluoroethylene powder?
Wen|Long YuetanEdit|Long YuetanPolytetrafluoroethylene (PTFE) powder is a functional material with excellent wear resistance, corrosion resistance, and low friction characteristics.In the rubber industry,By surface modification of hydrogenated nitrile rubber with polytetrafluoroethylene micropowder,It can improve the friction performance, mechanical properties, and oil resistance of rubber materials to meet the needs of specific engineering applicationsThe surface modification methods of polytetrafluoroethylene powder include surface coating, chemical modification, and physical modification...
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Softbank officially bid farewell to Alibaba and enter a new era
On May 11th, Softbank Group announced that it had sold or used all remaining shares of Alibaba it once held for financing, marking the end of its 20-year partnership with Alibaba.From this, people began to review the role of this cooperation in the development of the internet industry...
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At least 7000 layoffs? 58 Same city, are you okay
The "magical website" that is well-known throughout the country, has layoffs occurred?Recently, 58 cities were suddenly exposed to layoffs ranging from 30% to 50%, involving various business lines, with compensation of N+1.Although layoffs have become commonplace in recent internet winters, it is still quite rare to lay off 30-50% of employees at once...
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In the next 10 years, these 6 professions may disappear. Are you among them?
After entering the 21st century, with rapid technological changes, we have entered the information age of artificial intelligence and digitization. While artificial intelligence brings efficiency and convenience to people, its drawbacks have also become increasingly prominent...
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In half a century, if China wants to surpass the United States in the field of technology, these two things are imperative
Wen/Ren Ren Chang AnjunThe exploration of this article is based on the following logical foundations:In the next half century or the entire century, or even longer, if there is no global war, the technological competition between China and the United States will become the main theme of global technological competition. At the same time, it will deeply affect the competition and cooperation between the two countries in various fields such as economy, finance, military, and thus exert influence on the economic and other fields of other countries...
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Don't overdraw your skin age again! Harvard Medicine: New Discovery of Anti Aging Genes, Reducing Skin Care Spending Will Make You Younger
(Too many words, click on my avatar to watch the video)The international medical journal Cell published a literature by Harvard University geneticist David Sabatini, breaking through the discovery of an anti-aging gene closely related to human skin, muscles, brain, etc.: MTOR, which has received intensive research from global medical institutions...
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The door-to-door battle for express delivery has started. Are you really here this time?
In recent months, some friends have expressed that many courier guys have actually delivered goods to their doorstep!On a certain social platform, some netizens have also felt this change and expressed surprise.Is it true that "door-to-door delivery" has been rolled up due to fines and subsidies of 3 billion yuan for not coming to your doorstep?When it comes to "door-to-door delivery," many people immediately think ofSF ExpressandJD ExpressSF Express950350600SF Express5SF Expressgreen hand2021green handand2022green hand3green hand30green handgreen hand1+181green handsto 1170sto sto 650050/550Just take itPolar rabbitPolar rabbitPolar rabbit40%Polar rabbit15%5Polar rabbit1In recent years, it has been promoting its own post station/lifestyle supermarket, Tuxi, on a large scaleZhongtong80%Zhongtong80%A person located in TianjinYuantongIntroduction from several courier guys who have access to the rabbit,At present, the assessment requirements for door-to-door delivery vary depending on the region and city where the goods are located,Is there a door-to-door battle for delivery, as a last resort?23Outside of policies, some people believe that door-to-door delivery is only a marketing tactic for express delivery companies,At the end of 2021,Tiktok E-commerce 0...
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After AI, the next air vent has appeared! Revealing emerging technology trends
Quantum computing: A milestone beyond traditional computing capabilities, quantum computing is becoming the focus of scientists and businesses. Traditional computers use binary bits (0 and 1) as data units, while quantum computing uses qubits for computation, which far exceeds traditional computers in terms of computational speed and processing power...
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Where's the confidence! Market share has been reversed, with nearly 100 million iPhone15 units in stock! What is Cook doing
Is iPhone reputation really completely shattered?A few days ago, PerfectRec, a well-known overseas market research firm, released the latest user survey results, which are based on around 669000 user ratings and have considerable market reference attributes.The results show that the reputation of the iPhone 14 series has experienced a cliff like decline, ending the user reputation that has been rising over the past nine years...
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Musk said the world is not real, how dare you believe it? Have we been living in the virtual world?
Whether our world is real has been a topic of debate among physicists in recent decades.Tesla's boss Musk once said: the probability of our world being real will not exceed one in a billion...
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Revolutionary Breakthrough in American Chips! Huawei Ren Zhengfei: The Chinese people are holding our chip necks
Pay attention and let's explore more togetherA message from Intel has emerged, claiming to have developed a new type of nanotechnology processor called "Tianhe 2H".This processor has higher performance compared to previous older processors, making it easier to perform data computation operations and achieve faster results in processing messages...
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Musk's speech at the shareholders' meeting: ModelY has the highest sales volume on Earth this year, and Tesla wants to test the waters and advertise
On Tuesday, May 16th local time, Tesla held its annual shareholders' meeting this year at its factory in Austin, Texas, USA.Tesla CEO Musk said at the conference that he expects a challenging economic environment to continue in the next 12 months, with many companies going bankrupt...
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