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Can't even watch the news broadcast without paying a fee? People's Daily spoke up and tore off the TV manufacturer's cover
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...
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...
Scientists have discovered that increasing efficiency in the food system can effectively support China's carbon neutrality
Technology Frontiers Guangming Daily, July 15, Beijing (reporter Jin Haotian)The Dai Hancheng research group and collaborators of the School of Environmental Science and Engineering at Peking University have recently found that increasing efficiency in the food system can effectively support China's achievement of the 2060 carbon neutrality target. Biomass energy is an important alternative means for China to achieve carbon neutrality, and China needs to combine various measures such as moderately relaxing food trade, increasing crop yield, reducing food waste, and shifting towards a healthy diet to build an efficient food system that is in line with its national conditions...
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...
The garbage thrown by Chinese people has become the treasure of Africans, and the more they pick up, the more respected they become
With the process and development of urbanization, more and more people are flocking to big cities, striving to find a job in them. But the increasing population in big cities has also led to a problem, which is the continuous increase in garbage in big cities...
Can straw be combined with water and electricity? Circular carbon sequestration greenhouse is very smart
Science and Technology Daily reporter Zhao HanbinIn the mountainous areas of southwestern China, many rural areas are characterized by poor soil quality, lack of water resources, and varying degrees of pollution. At the same time, although extensive rural power networks have been established in various regions, the tight situation of some remote village groups and farmers' "power grid ends" has not yet been fully alleviated...
WHO officially announced that Aspartame may cause cancer!
According to the official website of the World Health Organization (WHO) on the 14th, the International Agency for Research on Cancer (IARC), the World Health Organization (WHO) and the Joint Expert Committee on Food Additives (JECFA) of the Food and Agriculture Organization (FAO) today released the assessment results of Aspartame's impact on health.IARC quoted the "limited evidence" of human carcinogenesis and classified Aspartame as possible carcinogenic to humans (IARC2B group), while JECFA reiterated the acceptable daily intake of 40mg/kg body weight...
International Agency for Research on Cancer of WHO: Aspartame is a possible carcinogen
The Joint Expert Committee on Food Additives of the International Agency for Research on Cancer, the World Health Organization (WHO) and the Food and Agriculture Organization (FAO) recently released the assessment report on the health impact of sugar free sweetener Aspartame. The International Agency for Research on Cancer cited the "limited evidence" of carcinogenicity to human beings and classified Aspartame as one of the possible carcinogens to human beings...
Is the concrete poured using bamboo instead of steel bars useful? Can it really accommodate people?
Many people think of concrete and steel bars. The combination of these two has completed the current urbanization construction, which is why modern cities also have the concept of concrete forests...
The significance is not inferior to high-speed rail! Why can C919 break through the hegemony of the US dollar and realize the internationalization of Internationalization of the renminbi?
followWen | RangerEditor | Hidden Sword RangerOur C919 passenger plane departed from Shanghai Hongqiao Airport and landed safely at Capital Airport two hours later,This flight was a complete success.Domestic Large Aircraft in ChinaC919 makes a strong debut...
Can laptops always be plugged in? Will it damage the battery?
Have you ever worried about the battery life when using a laptop? Can it be used with the power supply plugged in all the time? Do I need to use up the battery before charging? How can batteries be used to ensure their lifespan?Today, let's answer everyone's questions one by one!Can I turn off my computer when it runs out of power?Most laptops nowadays use lithium batteries, and some friends may worry that deep or even excessive discharge will irretrievably damage the battery. In fact, there is a certain reason for this concern, but you should not be too careful not to use the battery...