Preface
You feel as if you were in the night tour at Changdeokgung Palace
with your family, friends, tourists in moonlit night with this book !
This book is the culmination of six years of my research, field study, and personal experience on the subject of the nighttime tour named Moonlight Tour of Changdeokgung Palace. While working as a tour guide at the royal palace, I gave many tou
Yet it has its law to which it thunders obedience when it should as surely as the buds expand in the spring.
P 302 : When the ground was partially bare of snow, and a few warm days had dried its surface somewhat, it was pleasant …
P 303 : The grass flames up on the hillsides like a spring fire, - “et primitus oritur herba imcricus primoricus evocata,”- …
Abstract
Bioethanol is one of the alternative sources of oil resources which received attention with biodiesel. Many countries produce bioethanol from food sources such as corn and sugarcane, but it causes food-energy conflicts and farmland problem. So it needs to focus on new biomass which is sustainable, renewable, cost-effective and do not occurred any conflicts. Algae are one of the bioma
1. 소 개(Introduce)
-폐수처리 공정은 발효공정과 비슷하다. 폐수 속에 포함된 자연적인 미생물 플로라(flora)가 각자의 생장을 위해 폐수 속에서 유기물을 찾아 분해한다. 가장 많은 것은 중속영양 박테리아이고, 악티노미트스(actinomytes)나 균류도 참여한다. 원생동물도 분해에 참여한다. 독립영양적인
Ⅰ. 지열 냉ㆍ난방시스템이란
• 지구 대기권으로 들어오는 태양열의 절반 가량은 지표면을 통해서 흡수된다. 이는 지구상의 인류가 사용하는 에너지의 500배에 해당하는 양으로서 청정한 재생 가능한 에너지이다. 지열히트펌프로 냉방과 난방을 수행할 때 필요한 에너지의 대부분 (약75%) 을 지중을