Since 2022, Russia-Ukraine geopolitical conflicts have intensified, and global energy prices have risen sharply, with international natural gas prices hitting historic highs. As the most important transitional energy source in the transition from fos…
Masks are lacking under the epidemic, and 3D printers can produce masks to protect the epidemic. It is reported that to respond to the epidemic, the US Air Force's 388th Fighter Wing enabled 3D printing technology to make N95 masks.…
Sodium Diisobutylnaphthalene Sulphonate is an anionic surfactant, easily soluble in water, can reduce the surface tension of water, has excellent penetration and wettability, and has emulsification, diffusion and foaming properties. Effective substa…
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