1、 The Origin of Ancient Medals In ancient times, the prototype of medals mainly appeared in sports and military fields. At the Olympic Games in ancient Greece, the winner was awarded a wreath woven from olive branches, which can be seen as a form of early medals. It represents honor and excellence, and is a high recognition of athletes‘ competitive abilities. In ancient wars, brave warriors were also awarded special symbols or items in recognition of their heroic performance, which also had a certain medal like nature....

January 8, the latest disclosure of the Ministry of Industry website shows that in order to strengthen the new energy vehicles, motor and rare earth permanent magnet materials and other industrial chain synergies, to promote joint research upstream and downstream enterprises, January 5, 2018, China Association of Automobile Manufacturers, China Rare Earth Industry Association organized a meeting on the cooperation mechanism of upstream and downstream of rare earth permanent magnet materials for drive motors of new energy vehicles in Beijing. Beiqi New Energy, Yutong Bus, Ge...

Recently, the National Development and Reform Commission jointly issued with the National Energy Board, "on the promotion of biomass heat for the development of guidance", "opinions" clearly the biomass heat as an important measure to deal with air pollution and accelerate the biomass heat in the region Civil heating and small and medium-sized industrial park heating in the application of building a distributed green low-carbon clean and environmentally friendly heating system....

E-waste should not be unfamiliar to the residents living in cities. Outdated old phones, obsolete computers, worn out old-fashioned TVs or fans, cell phone chargers, radios, MP3s, etc. ... When these things are used or used bad, how to deal with both convenient and environmentally friendly, it also Has become a problem that plagued many citizens....

According to a report by Russian satellite network on May 5, a new report released by Arctic Council Arctic Monitoring and Evaluation Plan (AMAP) Working Group said that the Arctic is rapidly melting and may be completely ice-free by 2040. In the meantime, a study by the University of Leeds in the United Kingdom found that in Antarctica, ice melts at a rate of about one-third of its expected value....

Automotive industry analysts believe that the development of China‘s electric car market, mainly for two reasons. One is the expansion of the surplus population in the Chinese population who want to drive luxury electric vehicles such as Tesla because they are more durable, powerful and good-looking....