1. Henry David Thoreau 1817∼1862
미국 수필가·사상가. 매사추세츠주 콩코드 출생. 하버드대학 졸업 때의 연설 <상업정신>에서는, 1주일에 하루만 일하고 <나머지 6일은 사랑과 영혼의 안식일로서 자연 속에 잠겨 자연의 숭고한 계시를 받으라>고 말하고, 일생동안 이와 같은 삶을 살려고 하였다. 가업
악기상(severe weather)은 일상생활에 큰 어려움과 위험, 인명손실 등의 피해를 동반하는 기상현상을 통틀어 일컫는다. 악기상의 종류로는 뇌우(악뇌우), 집중호우(concentrated raining), 황사(dust storm), 강풍(strong wind), 해일(tsunami), 열대야(tropical night) 등이 있다. 최근 지구 온난화와 관련하여 세계적으로 기후변
Sulfur Dioxide(SO2)
The release of SO2 to the atmosphere is the primary cause of acid rain in the world.
Fossil fuel combustion at electric power-generating plants accounts for about70% of
the emissions.
Coal, Oil, and all other fossil fuels naturally
contain some sulfur.
Volcanic eruptions are another more localized natural source of SO2
SO2 + OH. HSO3.
HS
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
Second, the certainty of Pulmuone Waters’ profitability in the long run is proved by its financial statements. Income statements in (Figure 2) show that sales revenue of Pulmuone Waters has increased 134%. Which is from ₩34,543,000,000 in 2008 to ₩46,357,000,000 in 2010. It is a high number of figures comparing to its competitors. For instance, Jinro&Hite has increased its revenue 1
적합한 식물종
- 정수식물: 갈대, 줄, 애기부들, 미나리, 창포, 노랑꽃 창포 - 침수식물: 검정말, 이삭물수세미
- 부엽식물: 수련, 마름
- 부유식물: 개구리밥, 좀개구리밥
지속적으로 안정적인 정화효율을 유지하기 위해서
지역 특성에 적합한 토종식물을 발굴하고 적용하는 노력 필요
(만초천은
nights are cool and the days filled with mellow sunshine. December and January can be a little gloomy in Delhi while mid-summer (May, June and July) is very hot with temperatures over 113F (45C); it is a dry heat and is sometimes accompanied by dusty desert winds. Most of the rain falls between July and September but they are not the tropical rains you'll experience in India's coastal cities.
waters” 협약에 따른 상호 협력
갠지스강 인도, 네팔, 중국,
방글라데시 -인도의 인공수로 건설로 방글라데시 용수부족 -하천협력위원회(JRC) 설립(1972)
∙ 인도 – 방글라데시 공동유역 이용협력(1996년 협약체결)
풍수기 : 인도가 일정량의 물을 방글라데시에 보장
갈수기 : 균등 사용(인도
water was teamed with the new syrup to produce a drink that was at once "Delicious and Refreshing," a theme that continues to echo today wherever Coca-Cola is enjoyed.
Thinking that "the two Cs would look well in advertising," Dr. Pemberton's partner and bookkeeper, Frank M. Robinson, suggested the name and penned the now famous trademark "Coca-Cola" in his unique script. The first newspaper a