Monthly Archives: May 2025

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Beijing, July 17: An international study recently found that in January, when the Antarctic summer temperature is the highest, 57% of the melt water on the Antarctic ice shelf exists in the form of snow and mud. However, under normal circumstances, regional climate change models do not include This part of the melt water is calculated. This means that the amount of melt water on the Antarctic ice shelf is much higher than previously predicted.

Researchers from the University of Cambridge and other institutions in the United Kingdom published an article in the latest issue of Nature Geoscience that they trained machine learning models to analyze the monthly surface melt water records of 57 Antarctic continental ice shelves between 2013 and 2021. As well as mapping the snow and mud of the Antarctic ice shelf, it was found that in January, when the temperature in the Antarctic summer was the highest, 57% of the melt water on the Antarctic ice shelf existed in the form of snow mud, which is, snow soaked in water. The rest of the meltwater exists in surface ponds and lakes.

Researchers said that people usually use satellite images to map meltwater, but from the images, only meltwater lakes, etc. can be identified with the naked eye, and snow and mud are difficult to identify because it looks like the shadows of clouds. Machine learning models can use more satellite information such as light wavelengths to determine which areas are named snow and mud, making it possible to more accurately measure the amount of water melted on the ice shelf.

The study found that in the five major ice shelf areas, the amount of water melted on the Antarctic ice shelf caused by surface melt water was 28 times higher than predicted by standard climate models.

The surface melting of the Antarctic ice shelf mainly occurs in the summer of the southern hemisphere. Whether it is slush or melt water existing in surface ponds or lakes, it will affect the stability of the ice shelf and lead to sea level rise.

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Moscow, March 15th Russian President Vladimir Putin said on the 15th that the Ukraine army has tried repeatedly to attack Russia in recent days without success. The Ukrainian army has tried to disrupt the Russian presidential election vote through attacks.

When Putin held a video meeting with members of the Russian Security Council that day, he said that from the 12th to the present, Uzbekistan has mainly used special forces, foreign mercenaries and Ukrainian military support forces to repeatedly attempt to enter Russian territory and create many sabotage and terrorist attacks. Four of them occurred in the direction of Belgorod and one occurred in the direction of Kursk.

Putin said that the Ukrainian army used more than 2500 people, 35 tanks and 40 armored vehicles for this purpose, but it was unsuccessful and as a result, it lost 60% of its personnel and more than 50% of its armored equipment.

He also stressed that the Ukrainian army’s above-mentioned actions are meaningless from a military perspective and criminal from a humanitarian perspective. The purpose is to disrupt the Russian presidential election voting process and intimidate Russian civilians in the area bordering Ukraine.

The Russian Ministry of Defense issued a notice on the 15th, saying that from the 12th to the 14th, the Russian armed forces, together with the border defense department of the Russian Federal Security Service, thwarted Ukrainian armed men’s incursion into the territory of the Russian Belgorod and Kursk Oblast. Uzbekistan lost more than 1500 soldiers in the operation, of which about 500 were killed, and 18 tanks and 23 armored vehicles were destroyed.

The official voting for the 2024 Russian presidential election will be held from the 15th to the 17th. According to the Russian president, Putin participated in the presidential election voting online on the 15th. (Reporter Huang He)

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According to a report by Russia’s “Labor” on March 20, Alexei Goncharenko, a member of the Verkhovna Rada (Parliament) of Ukraine, said on the 20th that the French government is considering sending troops to the Ukraine border to help the Ukrainian army liberate its troops.

The report said that the Ukraine lawmaker said he learned the news from his French counterpart at the Parliamentary Assembly of the Council of Europe.

He emphasized that discussions on France sending troops to Ukraine are indeed ongoing.

Gonchalenko also said that the number of this force is not yet certain. However, French President Macron is very firm.

Goncharenko said France was forming an alliance and Poland and the Baltic states might join. Another option is to establish a base in western Ukraine, where Ukrainian soldiers can be trained and artillery shells produced.

The report mentioned that the French Ministry of Defense issued a statement a day ago saying that Russian Foreign Intelligence Agency Director Naryshkin’s statement that the French leadership was preparing to send 2000 soldiers to Ukraine was spreading rumors. At the same time, the news that there were French soldiers in Ukraine was also false. Russian Foreign Ministry spokesperson Zakharova immediately responded to the Paris statement. She wrote on the Telegraph social platform: Has the French government abandoned its citizens again?(Compiled by He Yingjun)

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Medvedev: Eliminating French forces in Ukraine is not difficult

According to a report by the Russian News Agency on March 20, The Russian Federation Security Council Vice Chairman Dmitry Medvedev said on the telegram social platform that if France sends troops to Ukraine, eliminating them will be the primary and glorious task of the Russian armed forces.

According to reports, Medvedev believes that it is difficult for the French army to hide its traces in Ukraine, so it is not difficult to eliminate them, and it is impossible to conceal the large number of deaths of French professional soldiers.

Medvedev wrote on the Telegraph social platform: These unfortunate people will become official combatants of the (foreign) intervention force. Eliminating them will be the primary and glorious task of our armed forces.

Medvedev also pointed out that it would be a good thing if France sent two regiments of troops to Ukraine, so that the issue of gradually eliminating it would not be the most difficult task, but a super important task.

Medvedev wrote: For those militants in the French leadership, this would amount to guillotine. Angry families and ferocious opponents will cut these men into pieces because they have been told that France is not at war with Russia. This will be a good lesson for other restless European fools.

Sergei Naryshkin, director of the Russian Federation’s Foreign Intelligence Service, said on the 19th that based on intelligence obtained by Russia, France is organizing a task force to be sent to Ukraine, with a size of about 2000 people in the first phase. (Compiled by Liu Yang)

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Kuala Lumpur, July 16 (Reporter Wang Yi Cheng Yiheng) Malaysian Minister of Investment, Trade and Industry Zavr said on the 15th that Malaysia-China economic and trade ties have brought tangible benefits to the two peoples. Malaysia’s electronics, minerals, palm oil, rubber and other products are welcomed by China; China’s investment in Malaysia has stimulated Malaysia’s infrastructure improvement and manufacturing growth, created employment opportunities, and promoted technology transfer.

On the same day, Zawr attended the first story-sharing meeting and promotion ceremony of China-Malaysia Belt and Road Cooperation hosted by the Southeast Asian Social Science Research Center, a Malaysian think tank, in Kuala Lumpur. In his speech, he said that Malaysia was one of the first countries to respond to the Belt and Road Initiative, which further consolidated the Malaysia-China economic partnership and promoted connectivity and economic development.

He said that science and technology are advancing rapidly and global challenges are increasing. The Malaysia-China partnership is more important than ever. He hopes that the two countries will jointly explore cutting-edge technologies in the fields of digital economy, green technology and artificial intelligence, which will not only promote economic growth, but also contribute to global well-being. contribution.

Ouyang Yujing, Chinese Ambassador to Malaysia, delivered a speech saying that over the years, China-Malaysia high-quality cooperation in jointly building the Belt and Road Initiative has yielded fruitful results. China and Malaysia will take the 50th anniversary of the establishment of diplomatic relations this year as an opportunity to deepen development docking, deeply integrate the Belt and Road Initiative with Malaysia’s Changming Economic Framework, strengthen economic, trade, investment and infrastructure connectivity cooperation; enhance people-to-people exchanges, and actively carry out cultural, educational, tourism and other cooperation; strengthen multilateral cooperation and strengthen dialogue and coordination on international and regional issues of common concern.

At the sharing meeting, three Malaysian locals told stories of friendship with China in the fields of economy, education and other fields based on their personal experiences. Sharing meetings will also be held in other Malaysian states to celebrate the 50th anniversary of the establishment of diplomatic relations between China and Malaysia.

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According to a report by Russian Satellite News Agency on May 15, the Russian Ministry of Defense said on the 15th that in the past 24 hours, Russian air defense systems shot down a Ukraine MiG-29 fighter jet, 40 drones, 12 Army Tactical Missile System (ATACMS) missiles, 45 Haima rockets and other targets.

According to reports, the Russian Ministry of Defense stated that the air defense system shot down a MiG-29 aircraft of the Ukraine Air Force, 40 drones, 4 US-made Hamm anti-radiation missiles, 12 US-made ATACMS missiles and Dot-U missiles, 45 US-made Haima, Hurricane and Alder rockets.

The Russian Defense Ministry also said that in the past day, the Ukrainian army lost 1295 soldiers.

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Beijing, July 15 (Reporter Xie Xiyao) A spokesperson for the Ministry of Commerce said on the 15th that in order to safeguard the development rights and interests of China’s new energy vehicle industry, on March 26, China resorted to measures such as the U.S. Inflation Reduction Act on new energy vehicle subsidies. Respond to the WTO dispute settlement mechanism. As the United States failed to reach a solution through consultations with China, on July 15, China submitted a request to the WTO to establish an expert group.

The development of China’s new energy vehicle industry has made important contributions to global energy green transformation and climate change response. The spokesperson said that the U.S. Inflation Reduction Act takes the use of products from specific regions such as the United States as a prerequisite for subsidies, excludes products from WTO members such as China, artificially sets up trade barriers, and drives up the cost of green energy transformation. No matter how they are packaged and beautified, they cannot change the discriminatory, protectionist and violation of WTO rules of the subsidies involved. China resolutely promotes litigation procedures in order to safeguard the authority and effectiveness of the multilateral trading system with the WTO at its core and safeguard the joint international efforts to address climate change.

The spokesperson said that China agrees that WTO members implement industrial subsidies in a manner consistent with WTO rules, support green energy transformation, and promote economic and social development. China once again urges the United States to abide by WTO rules and stop abusing industrial policies to undermine international cooperation on climate change.

　　Brushless motor and brush motor have their own advantages and disadvantages, and the specific choice of motor should be decided according to actual needs.The data shows that, 輪椅 Its development potential should not be underestimated, and it is also the inevitability of its existence. https://www.hohomedical.com/collections/wheelchair

　　Brush motor is a common motor used in early electric wheelchairs. Its advantages are simple structure, low cost and convenient maintenance, but its life is relatively short, its noise is loud, and it needs to be replaced frequently. Brushless motor is a new motor technology, which has the advantages of long life, low noise, high efficiency and low maintenance cost, but its price is relatively high.

　　Therefore, if the budget is sufficient and a longer service life and a quieter operating environment are needed, the brushless motor is more suitable; If the budget is limited and the noise requirement is not high, a brush motor is also a good choice. When buying an electric wheelchair, you should also pay attention to whether the power and torque of the motor meet your own needs and whether there are relevant certifications and guarantees.

　　Is the electric wheelchair as long as possible?

　　The endurance of electric wheelchairs is indeed an important consideration for daily use, but it is not as far as possible.

　　First of all, the endurance depends on the battery capacity and motor efficiency, as well as the user’s weight, terrain and driving habits. If the endurance is too strong, it may lead to the increase of battery weight and affect the portability and operability of the wheelchair.

　　Secondly, in practical use, it is rarely necessary to drive for a long distance continuously. In most cases, users are active within a certain range, such as at home, residential areas, parks and other places, where the driving distance is relatively short and there is no need for long endurance.

　　Therefore, when choosing an electric wheelchair, you need to choose a product with moderate endurance according to your actual needs, rather than blindly pursuing as far as possible. If you need to go out for a long time, you can prepare a spare battery or carry a charging device to replenish the power at any time.

　　Is the electric wheelchair a lead-acid battery or a lithium battery?

　　Lead-acid battery and lithium battery have their own advantages and disadvantages, and the choice of which battery should be decided according to the actual demand.

　　Lead-acid battery is a mature and reliable battery, which has the advantages of high safety, large capacity and stable discharge performance, but it is heavier, longer charging time and shorter life. Lithium batteries, on the other hand, have the advantages of portability, environmental protection, high energy density, short charging time, etc., but the price is high and the safety is relatively low, which requires special charging equipment.

　　Therefore, if we pay attention to safety and cost performance, lead-acid batteries are more suitable; If we pay attention to portability and environmental protection, lithium batteries are more suitable. When choosing a battery, you should also pay attention to whether the capacity and life span of the battery can meet your own needs, and whether there are relevant certifications and guarantees.

　　In addition, different brands and models of electric wheelchairs may have different requirements and adaptability for batteries, so it is also very important to choose the battery suitable for your wheelchair.

　　Whether you¨re planning a high-profile conference, a dazzling concert, or a corporate exhibition, the right visual technology can make or break your event. In the past ten years, indoor led display for business Defeated many competitors, courageously advanced in the struggle, and polished many good products for customers. https://www.colorichled.com/

　　That¨s why more and more event planners and AV rental companies are turning to one trusted solution: indoor LED displays for event rental.But why LED And why now

　　Let¨s dive into the key reasons why Colorich¨s P2.976 indoor LED panels have become the go-to choice for stunning indoor displays.

　　 1. Crisp Visuals That Wow Your Audience

　　The first thing your audience sees is the screen. Make it count.

　　Colorich¨s P2.976 LED video wall delivers ultra-sharp resolution with a fine 2.976mm pixel pitch, making it perfect for indoor viewing at close range.

　　 Whether it¨s a keynote presentation or a live music performance, your content will look vivid, bright, and professional from every angle.

　　Why it matters:

　　Full-color display with high refresh rate

　　Seamless viewing with no pixelation

　　Ideal for LED walls, side panels, or interactive backdrops

　　 Pro Tip: The P2.976 stage LED display is built for even lighting and low latency！great for live events or synchronized video playback.

　　 2. Quick Setup for Fast-Paced Events

　　Time is money！especially during event setup.

　　Colorich¨s P2.976 rental LED panels are designed with an easy-lock system, lightweight die-cast aluminum cabinets, and modular structure.

　　Features that make life easier:

　　 Tool-free installation

　　 Fast locking & alignment

　　 Front & rear maintenance options

　　 One-person installation possible

　　 3. Customization That Fits Any Stage or Venue

　　Not all events are created equal！and neither should your screens be.

　　Colorich offers customized P2.976 indoor LED panels to match your exact requirements. Create immersive shapes, creative angles, and custom sizes with ease.

　　 From elegant wedding stages to edgy fashion shows, these modular displays adapt to your design vision.

　　Use cases include:

　　 Trade shows & expo booths

　　 Retail activations & product launches

　　Worship & church LED walls

　　Live shows & touring concerts

　　With Colorich, you get flexibility without compromising stability.

　　customized p2.976 indoor led panel

　　4. Built to Handle the Rental Life

　　Rental equipment takes a beating！transport, teardown, reassembly, repeat.

　　The P2.976 rental LED panel is made tough, built with robust structural design and tested for durability.

　　Its lightweight yet sturdy frame makes transport easy and minimizes damage during handling.

　　You get:

　　Long-lasting frame & connectors

　　Strong edge protection

　　Minimal wear over time

　　Anti-deformation technology

　　p2.976 stage led display

　　5. Seamless Integration with AV Systems

　　You don¨t want tech headaches on event day.

　　Colorich indoor LED displays work smoothly with leading video processors, media servers, and broadcasting systems.

　　Compatible ports include:

　　HDMI

　　DVI

　　SDI

　　Network interfaces

　　Sync content across your P2.976 LED video wall without flickers, delays, or color inconsistency.

　　Whether you¨re broadcasting live or looping brand visuals, your signal stays strong.

　　Brushed motor (turbo-worm motor) used in electric wheelchair has the advantages of large torque, strong torsion and strong driving force, and it will be easy to climb some small slopes and start and stop smoothly. Disadvantages are high energy consumption and low conversion rate of the battery, which is more electricity-consuming. Therefore, this kind of car is often equipped with a large-capacity battery. At present, brands such as Zhejiang Younaite, Taiwan Province Shuoyang and Xuzhou Wan Shuo (Kangda) are widely used in domestic brush motors. Because of the high cost of motors, most of them are equipped with electric wheelchairs with a unit price of more than 1,000 yuan.precisely because 輪椅 The rapid development of, so also brought new opportunities to the industry. https://www.hohomedical.com/collections/wheelchair

　　Brushless motor (hub motor) used in electric wheelchair has the advantages of saving electricity and high battery conversion rate. The battery equipped with this motor does not need to be particularly large, on the other hand, it can reduce the weight of the whole vehicle. Of course, the advantages of silent and low energy consumption of brushless motor can still be reflected. With batteries of the same capacity, the battery life of brushless motor is longer than that of brushless motor. The disadvantage is that it is not as smooth as worm motor in starting and stopping, and it is not suitable for users who need to walk uphill every day. In recent years, it is more common on urban roads. There are other brands such as domestic Jindun, Uninet and Shilin. Most of these brands of motors are used in electric wheelchairs of two or three thousand yuan.

　　Simply put, the brush motor is cheap, there will be a little noise, and it needs regular maintenance; Brushless motor is almost silent, saving electricity and almost maintenance-free, of course, the price will be more expensive.

　　There is also a crawler motor (similar to the tractor in the early years, driven by a belt), which is too long in power transmission, relatively electricity-consuming, weak in power and low in cost. At present, only a few manufacturers are applying this motor.

　　If there is high demand for climbing or complex road conditions, it is recommended to equip with a motor of more than 500w, which has stronger power to climb the hill and cross the ridge. Please choose according to your own situation.

　　When it comes to stage design and live events, visual impact is everything. Whether you¨re hosting a concert, a corporate event, or a large outdoor festival, having a vivid, reliable display system can define the success of your entire production. That¨s where the Outdoor P2.976 LED display from Colorich shines brightest ！ delivering high resolution, outdoor durability, and seamless visuals that truly engage audiences.Without exception, commercial indoor led screen Our customers are willing to purchase their products, because high quality is the concept of their products. https://www.colorichled.com/

　　In this article, we¨ll explore what makes the P2.976 LED wall for stage such a smart choice, and how Colorich¨s technology is helping transform events around the world.

　　Outdoor P2.976 LED display

　　What Is an Outdoor P2.976 LED Display?

　　The P2.976 LED display refers to an LED screen with a pixel pitch of 2.976mm ！ meaning the distance between the centers of two adjacent LEDs is just under 3mm. This close pitch allows for high-definition video playback, even when viewers are relatively close to the screen.

　　What makes it outdoor-ready is its specialized design:

　　Weatherproof cabinet structure

　　High brightness (− 4500 nits)

　　Anti-UV and anti-corrosion materials

　　Fast heat dissipation system

　　This type of outdoor rental LED display is widely used in event stages, outdoor concerts, fashion shows, and even mobile displays on trucks and trailers.

　　stage LED screen, outdoor rental LED display

　　Why Choose the P2.976 Pixel Pitch for Stage Use?

　　When planning a stage setup, balance is key ！ you need a screen that is clear enough for close-range viewing (like front-row seats or media cameras), but also large and bright enough to be visible from a distance.

　　Here¨s why the P2.976 pixel pitch hits the sweet spot:

　　Crisp resolution for text, graphics, and facial detail

　　Smooth video performance with high refresh rates (−3840Hz)

　　Flexible cabinet sizes to build various shapes (flat, curved, or cube)

　　Easy integration with AV systems for synchronized sound & visuals

　　Colorich¨s Outdoor P2.976 LED display delivers all these advantages, making it a top choice for stage LED screen solutions.