Zinc sulfide ZnS is an inorganic compound, which is a white or light yellow powder with excellent fluorescence effect and electroluminescence function, especially nano-zinc sulfide has a unique photoelectric effect, which is used in electricity, magn…
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even…
Zinc sulfide is an inorganic compound with the chemical formula ZnS, which is white to off-white or light yellow powder in appearance. When exposed to light, the color becomes darker and is widely used as a pigment. Used as a window for visible and i…
Zinc sulfide is an inorganic compound with the chemical formula ZnS, widely used as a pigment, zinc sulfide is a dense composite form that can be transparent and used as a window for visible and infrared optics.…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
It is reported that the Russian New Crown Virus Epidemic Prevention and Control Headquarters released a message on the 25th that based on the principle of reciprocity, Russia will resume international flights with Germany, Venezuela, Syria, Tajikista…
It is reported that in recent days, Germany has successively approved the launch of a number of new crown self-test products. The German Federal Ministry of Health hopes to curb the new crown epidemic through a large number of free rapid screenings a…
It is reported that Shibata Hideri, president of Japanese semiconductor giant Renesas Electronics, said on the 21st that a fire broke out in an important factory of the company, which may have a very large impact on the supply chain. The company will…
It is reported that affected by heavy rainfall, the New South Wales region where the Australian city of Sydney is located suffered the worst flooding in 60 years, and the government is still conducting emergency evacuation operations. According to re…
It is reported that on the 17th local time, the Japan National Tourism Administration released estimated data that in February 2021, the number of foreign tourists visiting Japan was 7,400, which was a 99.3% decrease from the same month in 2020, and…
It is reported that the Philippine New Crown Task Force issued a statement saying that the Philippines will close the border for another month to deal with the new wave of epidemics and the surge in cases of variant new coronavirus infections. Under…
It is reported that Prime Minister Yoshihide Suga stated on the 16th that as a support measure for low-income parenting families whose livelihoods have been affected by the epidemic, the government will provide a temporary relief fund of up to 50,000…