Japan set up a space surveillance system to detect space debris using radar

Japan set up a system for monitoring the universe

Japan’s “Yomiuri Shimbun” reported on January 26 that in order to prevent damage to spaceborne satellites and the Earth’s surface caused by space debris, the Japanese Cabinet Office, the Ministry of Defense, and the Ministry of Education, Culture, Sports, Science and Technology will set up a comprehensive application in the spring of 2014. Defensive high-performance radar and the cosmic surveillance system of JAXA observation technology.

The report said that the Japanese government has used the cosmic observation technology and the Japan Defense Agency equipment for the first time. In addition to the JAXA telescope, the Japanese government will also discuss the use of the Self-Defense Force FPS-5 radar, which resembles a tortoise shell.

According to the Yomiuri Shimbun, as more and more countries join the ranks of space development, the amount of space debris in space continues to increase. Although JAXA is now using radar and telescopes located in Okayama Prefecture to monitor the dynamics of space debris, it is still unable to detect objects less than 1 meter in length. The Self-Defense Forces' FPS-5 radar can accurately detect missiles that fly 100,000 meters high, so it is expected to play a role in monitoring space debris in the future.

The disperse dye class is so named because these dyes are almost insoluble in water and are used as finely divided aqueous dispersions. Disperse Dyes can be applied to nylon, cellulose acetate, acrylics and occasionally others fibers, but the major consumption is for dyeing of polyester. Disperse dyes comprise the only dye class generally acceptable for dyeing of polyester and cellulose acetate. Wash fastness and light fastness of disperse dyes is generally good. Fastness to dry heat is deficient in some disperse dyes because they sublime at relatively low temperature. Certain disperse dyes are susceptible to degradation by ozone and atmospheric contaminants. Some disperse dyes hydrolyze at high temperature especially under alkaline conditions. Therefore, dyeing with disperse dyes is virtually always done using slightly acidic conditions.

Disperse Dyes

Disperse Dyes,Disperse Dyestuff,Disperse Yellow 82,Disperse Yellow 119

TAIZHOU YOUSHENG CHEMICAL CO., LTD , https://www.youshengchem.com