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.
Sodium 2-acryloyl-2-methylpropanesulfonate-acryloylmorpholine copolymer
Time of Update: 2021-12-08
Sodium 2-acryloyl-2-methylpropanesulfonate-acryloylmorpholine copolymer[Structural formula][Physical and chemical properties] Light yellow transparent aqueous solution, pH value is about 6, and solid content 30% .
eLife: Tang Shiming discovered the functional area in the visual cortex V4 of macaques that represents medium-complexity shape features
Time of Update: 2021-07-27
. The Peking University School of Life Sciences, Peking University-Tsinghua Joint Center for Life Sciences, Peking University IDG McGovern Institute of Brain Science Tang Shiming team published a paper entitled "Clustered functional domains for curves and corners in cortical area V4" in Elife magazine .
Talking about the technical application of waterborne rust-to-rust coating (2
Time of Update: 2020-10-29
To the typical pure propylene and phenyl propylene composite emulsion as a membrane substance as an example, it takes aluminum tripolyphosphate, zinc phosphate, zinc oxide, talcum powder, vanadium sulfate and so on for the pigment preparation of the bottom surface of the water-based rust-proof coating.
The refrigerator freezing method of microbial species preservation method -80 degrees C
Time of Update: 2020-09-09
3. Preparation of microbial preservation The cells are cultured to a stationary or mature stage under the most suitable culture conditions, after purity inspection (see the Office of Joint Management of natural science and technology resources platform of the Ministry of Science and Technology document "Technical Procedures for The Testing of Microbial Species Purity" (trial)), mixed with the protective agent evenly and divided.
Do yoga every day to lose weight
Time of Update: 2020-05-13
in fact, if we want to make their body become very perfect, very beautiful case, can use yoga to achieve such a dream, therefore, yoga for female friends to cultivate temperament and weight loss has a very good role, so most female friends in life can pay more attention to yoga exercise!
The application and analysis of the import registration of the original research drug
Time of Update: 2019-11-24
Author: Since the implementation of the consistency evaluation policy, the original research drug has attracted much attention In the guiding principles for the selection and determination of referenc
Chinese patent medicine launched the "type" offensive
Time of Update: 2006-09-05
Recently, new news came out from the pharmaceutical industry of Shanghai leiyunshang Pharmaceutical Co., Ltd., a Chinese patent medicine enterprise with high media exposure in China: the company has d