A 12-year-old boy died on Delta wing, and his family members spoke
On the evening of July 8, a powered Delta wing plane crashed in New Barag Left Banner, Hulunbuir, Inner Mongolia, killing the pilot and a passenger. The victim was a 12 year old Shanghai student named Li Ming (pseudonym)...
Numerical Study on the Enhancement Concept of Active and Passive Cycles by Wind Turbine Performance
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Cradle of the New Generation Aircraft! JF-22 Ultra High Speed Wind Tunnel has passed acceptance and can reproduce flight conditions at 30 times sound speed
In the development process of various types of aircraft, a large number of simulation flight experiments are required, but it is impossible to actually frequently test fly the aircraft in the sky. Therefore, wind tunnels have emerged, which is equivalent to artificially building a "flying sky" on the ground and is an essential large-scale aerodynamic experimental device for developing aircraft...
Stepper is more difficult to build than atomic bomb? Dutchman: The Chinese can't make Stepper machine for drawings
Inadequate historical materialsEditing | Poor Historical MaterialsThe article is approximately 1400 words longReading time is about 3 minutesStepperStepperAsme, NetherlandsAMSL and two companies in Japan.Recently, Peter Winning, the CEO of this Dutch company...
Why does a pipeline keep spewing fire when extracting oil? Aren't you afraid of causing danger?
Chaivo Oilfield Orlan PlatformThe deepest oil well in the world has reached a depth of15000 metersChaivo Oilfield Orlan Platform2.3 billion barrels...
Don't do this when withdrawing change on WeChat!
Deposit the money in the change accountCan't bring it up when neededMost people will contact customer service as soon as possibleBut Ms. Chen never expected itSearch for 'WeChat customer service' online by yourselfCould have caused her to be scammed for 13000 yuanReal caseMs...
Do you think airlines make money by flying tickets? Actually, the air tickets are only a fraction, and the real windfall profits have been revealed
Wen | YuanshanEdit | DuoyuBefore reading this article, we sincerely invite you to click on itFollowIt not only facilitates your discussion and sharing, but also brings you a different sense of participation. Thank you for your support...
How many kilowatt hours of electricity can a windmill with a cost of millions of yuan generate in one day? Can you make money by converting it into electricity bills?
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Floating offshore wind power will set off a wave of energy innovation
The small floating offshore wind power demonstration equipment designed by engineers from the University of Maine is located in the waters near the coast of Maine, and has been collecting data to understand the impact of storms in coastal waters on turbines, etc. Photo source: University of MaineEngineers test floating offshore wind power models in the swimming pool of the Advanced Structures and Composites Center at the University of Maine...
They all say that window air conditioning is not good, why did it suddenly catch fire? The air conditioner master said: what is suitable is good
They all say that window air conditioning is not good, why did it suddenly catch fire? The air conditioner master said: what is suitable is goodWith the change of climate and the improvement of people's living standards,Air conditioning has become one of the indispensable electrical appliances in modern homes.Among many air conditioning brands,Window type air conditioners are highly favored due to their simple design, affordable price, and convenient installation...
Are apples being hit with porcelain again? Or face the sky high compensation of 50.5 billion yuan, why do "Patent troll" win repeatedly
As we all know, many well-known technology giants in the world have suffered "extortion" from Patent troll companies.Since last year, OptisWirelessTechnology has been using the title of a 4G patent to "touch the porcelain" with Apple...
The world's largest chip company was born, approaching two TSMC companies. Why did it win?
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