US President recently decided to invoke a Cold War-era defense law to encourage domestic gold nanoparticles. One team found that when bacteria came into contact with gold nanoparticles, their cell walls deformed and eventually burst, leak…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
GH3536 (Hastelloy X alloy) is a nickel-based superalloy with high iron content mainly solid solution strengthened by chromium and molybdenum.…
The impermeability of concrete is related to its porosity and pore structure.…