abrasive 마모는 표면이 거칠고 경한 돌기의 작용이나 경한 분말이나 외부로부터 분진
등의 연마작용, abrasive paper 등에 의해 발생하는 마모이다. 주로 재료의 기계적 성질의
영향이 크다 할 수 있다. 이것은 전술한대로 요철설에 의한 마모의 확장으로 간주할 수
있다.
그림 18. abrasive 마모의 모식
Ⅰ. 섬유의 정의와 종류
1. 천연 식물성섬유 : 면, 아마, 황마, 대마, 케이폭 등
1) 면의 특징
면섬유는 마이크로피브릴(microfibril)을 갖는 라멜라(lamella)구조로 이루어진다. 반복단위 셀로비오스를 기본단위로 하는 셀룰로오스로 이루어진다. 수소결합(-OH기가 반응기)으로 이루어져 흡습성이 매우
Resist the urge to be nice
to those people.
Theyre con artists.
Take advantage of the soft heart.
A lot of them are better off
than the rest of us.
Look out for number one.
lt sounds harsh...
...but its a goddamn jungle out there.
You got to keep a low profile.
Right?
A low profile.
Hey, Bernie. Where you been, pal?
Some guys been looking for me, Chick?
Spanish kind of guys?
Business thing.
Give
resisting arrest.
- Anything else I should know? - I robbed a few banks.
Im glad you were only out three days.
Did you miss me, Dwight?
Was Perry with you?
Perry who?
Dont play.
Dont be a bonehead. I hate telephones...
...and I spent minutes talking...
...to police and that adventure park, trying to keep you clean.
We were lucky this time. I kept you out of court.
You have to clean up the mess at
slip onto the backs of the bikes.
The Lost Boys surround the Surf Nazis, their bikes SPITTING SAND. They line
up, headlights trained on the gang. Sonny and the Surf Nazis pull out knives
and chains -- ready for battle.
The Lost Boys smile. GUNNING their engines, they RACE toward the gang...
closer... closer... closer...
ZOOM! With a BLAST of wind, the Lost Boys DISAPPEAR into the mist behind the