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At the State Key Laboratory of Clean Energy Utilization at Zhejiang University, Gao and his colleagues have been testing sample packets like coal, fly ash and calcium carbonate from coal-fired power plants across China in order to find the best solution.
At the ceremony, Putin hailed all who were awarded the state decoration for "their work and impressive achievements".
At the same time, the number of enterprises confirming their participation in the event, which will include more than 150 Global Fortune 500-listed companies, has exceeded half of the planned number, according to a senior manager of a company responsible for inviting exhibitors to the expo.
At the office's grand opening on Thursday in downtown Toronto, the company, along with a group of other mining companies, investment banks and officials, gathered to celebrate the recent boom and discuss opportunities.
At the end of 2017, China had 898 national wetland parks, 233,333 hectares of wetland had been restored, and the country's wetland protection rate had been increased from 43.5 percent in 2013 to 49 percent.
来源：资阳报