3D printing
3D printing or additive manufacturing (AM) refers to any of the various processes for printing a three-dimensional object. Primarily additive processes are used, in which successive layers of material are laid down under computer control. These objects can be of almost any shape or geometry, and are produced from a 3D model or other electronic data source.
Basic principles
If the
Topic
Analysis and comparison of Sportswear
(Swimsuit, Golf wear, Outdoor wear)
Suggestions for the improvement of analyzed materials
Reason for Topic
More people look upon well-being as important
=> widespread use of sportswear & generalization of sportswear
Spotlight on Sportswear market qua technical materials
Throughout the semester, specific materials are commonly used in
폴리우레탄의 정의
Urethane Bond은 –OH기를 갖고있는 알콜과 -N=C=O기를 갖고 있는 Isocyanate가 Addition Polymerization Reaction에 의해 반응열을 발생 시키면서 형성
용도 : 전기절연체, 구조재, 기포단열재, 기포쿠션, 탄성섬유
material and VOCs including harmful emissions to harmless substance using Biological processes of microbial metabolism
- First, Organisms should be selected, these organisms use stinking material and various chemicals for nutrient, next, odorants enter the filter, so meet layer of organism and water, then odorants are eliminated by dissolution, organism adsorption, and decomposition. Organisms
Why?(Feat. NAEBOK )
A fresh idea of material
Challenging mind
Not typical way of thinking
Is it… really true?
Better access to get
What is Nae Bok?
undergarment worn next to the skin
and under the outer garments in cold weather
올 겨울은 초반부터 한파가 몰아쳐 예년보다 추위가 일찍 찾아왔다. 여기에 등산복의
water-cooled design
It is much more efficient than a simple retort due to its use for liquid cooling
a Liebig condenser can condense a much greater flow of incoming vapour than an air condenser or retort
1.Place 18.3ml of nitrobenzene and add 25g of iron
powder in 3-neck flask with shaking.
2. Add the 6ml of hydrochloric acid slowly, as cooling
nitrobenzene using conde
7P.
The State of the World's Health / 세계의 건강 상태
Individuals regularly make decisions about their physical and mental health. They do this partly because a serious illness can have a devastating effect on a person and on his or her family. Similarly, just as the health of a family is connected to individuals within that family, the health of a nation is clearly connected to the
1. The basis on which posterity will rank our civilization is the quality of our ideas. Our position among civilizations is determined by the _________.
① location of our civilization ② value of our thought
③ influence we have ④ rigidity of our thought
⑤ quantity of our thought
2. As you drive a car on a straight road where the sun is beating down, you may seem to see a shim
정답 & 해설--------------------------------------------------------
<문법>
【1】 ④
▶ ①에서 hope가 명사로 쓰일때에는 뒤에 to 원형이 올 수 없고 동력의 of나 that절이 동반되므로 to make를 of making으로 고치고 ②에서 when은 명사절이므로 comes를 will come으로 고치고 ③에서는 steal의 목적어는 물건이 오므로 my brother w