PFCs(Perfluorinated Chemicals)
Manmade chemicals, synthetic
Resistant to heat, water, oil, grease & stains
Stable, extremely resistant to breakdown
Widely used in diverse applications
Economically useful
Electronegativity of Fluorine
Partial charges in the polarized C-F bond
C-F bond
: strongest bond in
organic chemistry
: high energy bond
Two most studied compounds
lake. An incredibly
blue, circular lake, sunk between snow-dusted mountains. It
is LHAMO I LATSO - "the Oracle Lake" - and it shimmers in
the sunlight.
As the lake comes into view, a young man pushes back the
curtain of the yellow palanquin and peers down at it.
The man is dressed in royal robes. He is young, twenty four
years old. His name is RETING RINPOCHE. He is the Regent
of Tibet.
The color
lake
3. The name of the man is __________. "
" I wish I could remember it right now. "
① at my fingers' tips ② at my arm's length
③ out of mind ④ on the tip of my tongue
⑤ on my head
4. “How much money do you have ? "
" I have a ______ bill. "
① tens dollars ② ten-dollar
③ tens-dollars ④ ten-dollars
⑤ ten dollars
5.다음 중 sp
Globalization
1983년 미국에서 등장한 용어
정치, 경제, 문화 등 사회의 여러 분야에서 국가 간 교류가 증대하여 개인과 사회집단이 갈수록 하나의 세계 안에서 삶을 영위해 가는 과정
기업의 단순한 다국적 기업의 측면에서 확대되어 생산과 유통 등에서 규모의 경제, 국가 간 경제통합화 등의 현
KING KONG
Screenplay by
FRAN WALSH & PETER JACKSON
From an idea conceived by
EDGAR WALLACE & MERIAN C. COOPER
1st Draft
1996
EXT. SKIES OVER FRANCE 1917 - DAY
CAMERA drifts towards a large puffy cloud floating 6000ft above the
French countryside ...
... a roar of engines - sounding like angry buzzing bees - and three ...
six ... NINE SOPWITH CAMEL FIGHTER PLANES emerge from the cloud, flying
in t