stream, the energy of nuclear fission and nuclear fusion, solar energy, subterranean heat energy, hydrogen energy, tidal energy and so on are researched with activity by scientists. Among them, hydrogen energy system supremely comes into the spotlight. Hydrogen energy system bases an ideal principle which hydrogen is produced from water and returns to the original substance; water after being us
I. Introduction
1. The reason of topic choice and the purpose of research
‘The Long Term Care Insurance for the Elderly’ is the social insurance programs helping the elderly who have difficulty in daily life because of old age or several diseases by offering long term care pay such as home making activity. By the programs, the elderly can promote their health and their family can lessen the
marketing milk, using intact, or removing grease. skim powdered milk is more better than powdered milk.
• removing grease method
Don't use centrifugal, storage the milk in freezer one day. Then put away the yellow grease on the top.
• sterilization
marketing milk is unnecessary, but powdered milk heating 80℃
• cooling
cooling use freezer or cool water until 40 ml
stream water clean. The facility, which has a capacity of 32000t/day, was installed to clean the upstream water to improve the water quality in Yangjae stream. Due to the system, the water quality improved from level 5 to level 2~3 and this plays an important role in restoring the ecosystem.
Secondly, vegetation revetment technique was used to make close-to-nature river bank. Concrete was remov
3. result - have you ever learned using the chopsticks?
대부분의 사람들이 젓가락 사용의 방법을 배우지만, 올바른 사용자가 젓가락의 사용을 배우면서 익힌 비율이 조금 더 높다.
3. result - where did you learn chopstick method?
대부분의 사람들의 집에서 젓가락질을 배운다. 하지만 올바른 젓가락질을 하는 사람의 경