Tuesday, October 18, 2005

염산제조 장치 재료

염산합성관의 재료

1.용융석영(hard mineral crystal)-유리
~수소과잉량을 주여도 안전조입 가능.
~열린도로 크다.
~팽창을 적다.
~기계적강도 크다.
~무수염산 제조에서 사용.

염서바아너의 재료

흡수관의 재료


Anonymous Anonymous said...

McDonald's Dips Toe In Blogging Waters
While the McDonald's Corporation has not jumped headfirst into blogging, it certainly is further along the path of acceptance than many companies of its size.
Hey, you have an enlightening blog here! Excellent job. I have a high school science projects site. It pretty much covers high school science projects related stuff.

Come and check it out when you get time :-)

10:08 PM  

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