소개글폭죽에 대한 파원포인트 영어발표 자료입니다.
목차1. Basic Structure of Aerial shells
2 . Combustion reaction and flame game
3. Discharge process
4. Fireworks display Manufacture
본문내용Combustion reaction and flame game
Divers color of flame game is utilized the reaction of flame of metallic elements.Mainly the reaction of flame is appearing by metallic element contained in the matter.Even when it remains as a genuine matter, it used to disclose same reaction under the conditions of combined with other matter chemically. Yellow color is caused by ray radiates from Natrium ion and color is caused by ray radiates form strontium. But it is very difficult to obtain perfect green flame practically. Once we tended to use green color which is the copper contains arsenic but we do not use it lately owing to very strong toxic character in it. Still It remains as a pie in the sky to obtain simon pure green flame in reality.
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1 . 파일오류
2 . 중복자료
3 . 저작권 없음
4 . 설명과 실제내용 불일치 자세히보기