TanSat, China's first carbon dioxide monitoring science satellite, successfully launches from the Jiuquan Space Launch Center on Dec 22, 2016. [Photo/Xinhua] BEIJING -- China's carbon dioxide monitoring satellite TanSat has 75 data users worldwide, according to the website of the Chinese Academy of Sciences. The 620-kg satellite received 11,000 data orders and 27,478 GB of data downloads. TanSat, launched last December, was China's first satellite to monitor greenhouse gas emissions. As part of its three-year mission, TanSat thoroughly examines global carbon dioxide (CO2) levels every 16 days, accurate within 4 ppm (parts per million). The satellite can observe the sun, moon, solar flares and objects on the ground. The satellite has different modes for observing oceans and land, and can constantly adjust its orientation and position. To ensure the accuracy of TanSat, six ground-based observation stations will calibrate and examine observational data. China is the third country after Japan and the United States to monitor greenhouse gases using its own satellite. rubber bracelets amazon24 hour wristbandplain black silicone wristbandsrubber wristbands for eventsget rubber bracelets made
BEIJING -- Beijing saw fewer migrant workers from the city's rural areas in 2017, according to a report released by the Survey Office of the National Bureau of Statistics in Beijing.Native migrant workers in Beijing totalled 724,000 in 2017, 2,000 fewer compared with the previous year, the report showed.The number had been decreasing for four consecutive years, which the report attributed to the city's development of urbanization.The average monthly income of these workers reached 3,230 yuan ($510), up 7.7 percent from the previous year, according to the report.It said more than 80 percent of native migrant workers were engaged in the service sector.China had more than 286.5 million migrant workers at the end of 2017.
