jian

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Joined
January 17, 2009
Last visited
September 12, 2010

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why cannot ether form hydrogon bonding?

By jian, February 9, 2010 in Organic Chemistry
- 4 replies
- 5541 views
when does melting occurs?

By jian, May 16, 2009 in Physics
- 4 replies
- 3630 views
what's the difference between Diffraction and Interference?

By jian, February 28, 2009 in Physics
- 2 replies
- 1844 views
probability to find a car

By jian, January 18, 2009 in Mathematics
- 12 replies
- 2377 views
resolution power of an optical system

By jian, January 17, 2009 in Classical Physics
- 4 replies
- 1032 views

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