The wilke chang equation is basically used to determine the diffusion rate of something in a binary substance.
look here
http://books.Google.com/books?id=F0kCdNhCpzUC&pg=PA201&lpg=PA201&dq=wilke+chang&source=bl&ots=K15Q9tOFo4&sig=aj3Lgj2XFmLsWVlrrY9ZdV_utVY&hl=en&ei=XXLaStqLI4Pl8Qbi2oy3BQ&sa=X&oi=book_result&ct=result&resnum=3&ved=0CA4Q6AEwAg#v=onepage&q=wilke%20chang&f=false
Eric Wilke's birth name is Eric Leonard Wilke.
Gisela Wilke's birth name is Gisela Clara Wilke.
Rudolf Wilke was born in 1873.
Rudolf Wilke died in 1908.
Wilke-Rodriguez was created in 1987.
Kristof Wilke was born in 1985.
Günther Wilke was born in 1925.
Ulfert Wilke died in 1987.
Ulfert Wilke was born in 1907.
Christoph Wilke is 184 cm.
Birthe Wilke was born on March 19, 1936.
Birthe Wilke was born on March 19, 1936.