Recently, US President Joe Biden concluded his first visit to the Middle East since taking office. During the visit, Biden said that the United States will be an active partner in the Middle East for a long time, but Middle East leaders have not clea…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
A nano silver solution is an easy substance of metallic argent prepared with particles of 1 to 100nm. Purity: 100ppm, 1000ppm, 2000ppmParticle Size 10nm About Silver Colloids Nano Silver Solution : Nano Silver solution If you want to kno…
The micron spherical In738 powder preparation method can be divided into: reduction method, electrolysis method, grinding method, atomization method, etc. according to the preparation process. At present, the two most advanced powder making processes…