The thermionic emission of electrons is also known as thermal electron emission. The classical example of thermionic emission is the emission of electrons from a hot cathode, into a vacuum in a vacuum tube. The hot cathode can be a metal filament, a coated metal filament, or a separate structure of metal or carbides or borides of transition metals.
Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines! Heavy Duty Oil Stabilizer Lucas Oil Stabilizer is a 100% petroleum product formulated to eliminate dry starts and reduce friction, heat and wear in any type of engine. It allows motor oils a higher degree of lubricity which reduces oil consumption and operating temperatures.
    Conventional motor oils are made from crude oil which has been is pumped from the ground and then processed in a refinery to create a base oil. Additives are then mixed into the base oil to change the viscosity, protection properties and heat breakdown levels of the oil.    Synthetic oil is also created in a similar manner to a conventional engine oil, using a base oil combined with a series of additives.ifference in a motor and an engineA motor uses an exterior power  source to do the work. An engine creates its own power to do the  work.   Answer   The original an â¦ swer is incorrect, as both an engine and a motor  require an external source of energy to operate.