Cleaning off epoxy with acetone or alcohol before it is set is important to avoid unnecessary labor cleaning once hardened. Epoxy will also come off with a blade before it is 100% cured. After setting, epoxy is strong and is more resistant to removal should you leave excess and requires sanding along the glue line.
Redox - Memory aids. 1  The key terms involved in redox are often confusing.  2 OIL RIG â oxidation is loss of electrons, reduction is gain of electrons.  3 LEO the lion says GER â loss of electrons is oxidation, gain of electrons is reduction.
I suggest you, as the first step, to start with a definition of an efficiency relation. Examples: efficiency=(total emitted energy)/(supply energy) efficiency=(emitted energy in a range of frequencies)/(supply energy) efficiency=(emitted energy in a range of frequencies and over a solid angle)/(supply energy)