Shanghai aluminum continued its decline and showed a trend of rushing back down
Time of Update: 2022-12-13
Shanghai aluminumIn terms of external disk, Asian Lun aluminum fell under pressure, of which 3 months Lun aluminum traded at 2124-2106 US dollars / ton, now closed at 2109 US dollars / ton, down 0.
Shanghai aluminum shock finishing The overall rebound pattern is still good
Time of Update: 2022-12-06
In terms of external trading, today's LME aluminum shock rebound, sharply cut overnight losses, showing its strong willingness to rise, bulls continue to exert force, of which 3-month Lun aluminum trading at 2100-2064 yuan / ton, up 1.
Shanghai copper rushed higher and then the shock fell back The Fed's movements are still the focus of attention
Time of Update: 2022-12-02
Shanghai copperExternally: Asian market London copper continued to fall under pressure, of which 3-month London copper slightly fell 0.
Externally: Asian market London copper continued to fall under pressure, of which 3-month London copper slightly fell 0.
Progress in the study of olefin carbonylation
Time of Update: 2022-10-21
Recently, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences has made progress in the research on bimetallic catalyzed olefin carbonylation reaction, realizing the highly selective conversion of long-chain aliphatic olefins, and obtaining the "Markovian rule" branched-chain carboxylation.
The bioactive activity of activated sludge was detected by the luciferase-ATP method
Time of Update: 2020-10-26
(3) take 10 μl of activated sludge suspension, add 50 μl of pure water, mix evenly, set aside for 5 minutes, then add 50μl L/L detection fluid, and mix evenly, put into the detector test, can obtain free ATP luminous intensity in water.
Shanghai Consumer Protection Committee tested 15 children's paint
Time of Update: 2020-03-16
In order to create an environment-friendly and safe living environment for children, many parents often choose children's paint when decorating These coating products claimed to be specially designed