of single srystalline solar cell
2. Structure
1) PESC [Passivated Emitter Solar Cell]
light absorption surface
– Inverted pyramids structure, double
reflection prevention layer
front – oxide passivation, electrode
passivation by narrow elctrode area
rear – Al deposition, form p+ layer
electrode
open circuit voltage - below 670 mV
Introduction
As we can see its advertising, the company FedEx made famous slogans "Absolutely, positively" and "Relax, it's FedEx". With developing world market, Federal Express Corporation(FedEx Corp.) has been successful by pursuing efficient logistics and providing various related services. It became the premier global provider of transportation, e-commerce and supply chain management servi
pyramid shape, so if the formal need is satisfied, the latter need emerges. Applied to the temporary employees’ case, their need for physiological element which includes hunger, thirst, and basic need to be alive is satisfied by earning money. However, next need, safety isn’t fully satisfied because of unstable job environment. The deficiency causes love, esteem, and self-actualization can’
"The Great Zimbabwe" is one of the seven wonders of Africa, including the Egyptian Pyramid ruins.
What on earth is "The Great Zimbabwe"?
We will give you "The Answer". The first thing we will deal with is the "structure of the Great Zimbabwe" and secondly, "who made these ruins." and "how were these ruins found". Lastly, we will discuss "the special meanings the Great Zimbabwe has".