Xiamen University scientists use fullerene to break through the "stuck point" of ethylene glycol atmospheric synthesis
Time of Update: 2022-05-24
60 60On April 15, the team of Academician Xie Suyuan and Professor Yuan Youzhu of Xiamen University published the research results entitled "Ambient-pressure synthesis of ethylene glycol catalyzed by C 60 -buffered Cu/SiO 2 " in Science, using C 60 as an electronic buffer for the first time.
Germ rice, brown rice, polished white rice... How to choose healthy rice
Time of Update: 2022-04-29
Eating more brown rice is healthierRuan Guangfeng, director of the Science and Technology Department of the Kexin Food and Nutrition Information Exchange Center, introduced to the Beijing News reporter that brown rice, polished white rice, and germ rice are all produced by rice processing .
The causes and preventive measures of paint drying or drying
Time of Update: 2021-01-14
Especially in the use of ordinary paint for continuous spraying, in accordance with the requirements can be sprayed 2 to 3, but in order to pursue a better appearance or for the polishing residual amount, spray 4 or 5, so that although the paint film thick, but the drying performance of the coating greatly reduced, it is difficult to achieve the drying requirements within the specified time.
Epoxy curing agent - mita
Time of Update: 2020-02-21
1, miti, crystalline solids, melting point 88 to 90 degrees C Each 100 parts of the standard resin with 4 to 8 parts, curing: 60 to 80 degrees C6 to 8 hours / 150 degrees C 4 hours Long period of use
Principle of clean sampling vehicle
Time of Update: 2019-07-18
Clean sampling vehicle (also known as clean sampling vehicle) is a kind of vertical one-way flow local air purification equipment that can provide local clean environment It can flow flexibly in the w
Revision of definition of core diseases of serious diseases completed in June
Time of Update: 2019-06-24
"In June this year, we completed the revision of the definition of core diseases of serious diseases, standardized and timely released other related diseases during the year, and explored the establis
Blocking of bag filter bag and Its Countermeasures
Time of Update: 2018-12-24
The clogging of bag filter is mainly caused by high filtering speed, fine dust, sticky dust, poor dust cleaning, bag pasting, condensation and hardening If the filtering wind speed of the dust remover