国产高清免费啪视频2020_男女啪啪毛片免费_午夜黄色视频在线观看免费_搜AAA级黄色视频_色偷偷男人的天堂久久_国产香蕉视频在线_国产爽妇网高潮在线观看_日韩av超持久1000免费精品_了解最新99热这里只有精品18_人妻系列在线亚洲

Postdoctoral workstation

The postdoctoral workstation of Beijing Renchuang Technology Group Co., Ltd. is subordinate to the enterprise postdoctoral research workstation of Haidian Park, Zhongguancun Science and Technology Park, Beijing. It is one of the three R & D platforms of Renchuang technology group. It joined in 2009 and is committed to the basic technology research of silica sand. It is "precision casting with sand, increasing oil with sand, prospering water with sand, prospering agriculture with sand, building with sand, and controlling sand "Sand creation" and other industrial strategic emerging industries marked by sand provide high-end technical solutions. It undertakes major national scientific research tasks, including the special project of green building and building industrialization in the national key R & D plan of the 13th five year plan.

At present, three postdoctors have been trained. From 2011 to 2018, doctoral students participated in the formulation of 1 industry standard, 5 national science and technology plan projects, 2 973 projects of the Ministry of science and technology, 1 national major special project and 8 provincial and ministerial scientific research during their stay at the station; One industrial standard (SY / T 5274-2016 technical requirements for resin coated sand) and one local standard (DB15 / T 1334-2018 code for construction of permeable and impervious sand sand paddy field) were issued, 4 papers were published, 55 invention patents were applied, 4 utility model patents were applied, of which 4 were authorized, namely "a water-based fracturing fluid and its preparation method" (zl201210566415.6) "An environment-friendly anionic fracturing fluid and its preparation method" (zl201310452816.3), "a sodium alginate water-based fracturing fluid and its preparation method" (zl201410085965.5), "a self suspended proppant for natural hydraulic fracturing" (zl201410123724.5), with transformation economic benefits of more than ten million, It has made important contributions to the development of China's sand industry and the scientific research work of Renchuang technology group.