1. History
■ 1846년 Ebelmen : 규산에스테르의 가수분해반응을 이용하여 겔을 만듦
■ 1959년 Shott사 : 금속알콕사이드를 이용하여
SiO2막이나 TiO2-SiO2막을 판유리 위에 형성 연구
■ 1970년대 : 유리 분야 뿐만 아니라 졸의 겔화시 섬유, 벌크 소결체나 코팅막
으로 열
temperature of winter is -10℃ and that of summer is 16℃. The severe cold of Russia winter has a wide influence on Russian’s various activities like food, clothing and shelter.
3) Geographical features
The geography of the Russia is quite various. While the southeast is a tough mountainous district, the northwest is an open field. The Ural Mountains is in the middle of Russia. Also, there
본문내용
중략..................
P/I 상기 62세 남자 환자는 20년 전 Gastric ulcer perforation으로 OO병원에서 수술한 병력이 있으며 heavy alcoholics로 recurrent alcoholic hepatitis로 입원한 경력이 있음. 최근 금주하였으나 2주 전에 발생한 RUQ pain으로
중략...............
80%: cholesterol stones
20%: pigment stones
유병률: 4.25
History of Vinegar식초의 역사
Vinegar = vin (wine) + aigre (sour) 식초 = vin (와인) + aigre (시다)
The world’s the oldest cooking ingredient and food preservation method.
가장 오래된 식재료 & 식품 보관 방법
History of almost 10,000 years
약 10,000년의 역사
Vinegar's history of
foreign country
Sterilizing action of vinegar was used fo
Active Matrix Organic Light Emission Diodes
Self-glowing
no need for backlight
High contrast ratio
High color reproduction range
Short life
Expensive
Life of display
Reducing power consumption
Development of Low Temperature Process
. Summary:
1. Industry overview-- current situation of Korea pizza market
Korea pizza market with Big 3 brands as its center, an intense competition with large numbers of unique and new product was appeared, so that expand the size of Korea pizza industry and ushered in the mature period with 1 trillion won in 2006 .
During the past four decades Pizza Hut has built a reputation for excellence
3. ST strategy
(1) 'Korean beauty Appearance' and 'There are many similar hotels'
Emphasize Commodore's beautiful appearance, old tradition, and history to differentiate itself from the competition. Because Nampo-dong is the center of Busan, there are many similar grade hotels. So, Commodore have to operate the hotel way to emphasize Korean beauty, tradition, history, and so on.
2000 B.C - The first recorded (The Susruta Samhita, Sanskrit writing) water purification began with the Egyptians. It is said that impure water should be boiled over a fire, heated in the sun, have a hot iron dipped into it or purified by filtration through sand and course gravel.
A major step in the development of desalination technologies came in the 1940s during World War II when various m
Transition of temperature and CO2 concentration
The average of CO2 concentration 250ppm
※ Recently, CO2 concentration soaring 400ppm
• 1st Biofuel Generation : Potato, Cone, Sugar cane
• 2nd Biofuel Generation : Wood Pieces, leaves
• 3rd Biofuel Generation : Seaweed, Microalgae
Lack of field → Not appropriate with Grain
Surrounded by Water on Three sid