In describing the answer to the question below, try to share your opinions on the basis of evidences such as articles and books. Also provide information of the evidence (author, title, journal name, etc.).
1. Explain what happens in terms of mechanical/chemical properties when making products using metal-based 3D additive manufacturing technology. (10 points)mechanical properties
전통적
mechanical property is great & resistance from heat is great
Disadvantage: power density is small
Economical characteristic
Do not use expansive catalyst
Do not need reforming
Do not need electrolyte supplement
Price is cheaper than others
Technical characteristic
simple process caused by various fuels
(Natural gas/coal gas)
Do not need reforming
mechanism determining price before shipment.
Cabbage price in Korea shows huge variation due to these characteristics every year. Prices of cabbage has collapsed just after a year experienced price soaring. Due to this phenomenon, many cabbage farms have suffered and consumers are also in trouble. Because cabbage is one of the most important foods in Korea, the huge variation of the price is b
“Characteristics”
1)Limited Private Property
-State-owned enterprises
2)Non-Price Mechanism
-Distribution system
3)Planning by Government
-Command system
“The reasons of
Chinese economic reform”
Distortion in Industrial structure and inefficiency
Failure of “The Great Leap Forward” (58~60)
Failure of “The Great Proletarian Cultural Revolution” (66
facebook in foodservice Industry
Facebook is a social utility that connects people with friends and others who work , study and live around them
Social network web site that
used in the largest number of people
2012, Facebook's subscribers was been exceeded billion