Pihounette Posted January 29, 2019 Share Posted January 29, 2019 Bonjour, dans le poly du prof, au niveau du chapitre sur la diffusion libre, paragraphe II - Théorie en phase liquide : formule de Fick, il y a la phrase suivante : " Lorsque x1#x2, on a c1#c2 et Delta m et faible, soit dm". Que veut dire le signe "#" ? Merci . Quote Link to comment Share on other sites More sharing options...
Solution Chat_du_Cheshire Posted January 29, 2019 Solution Share Posted January 29, 2019 '' différent de '' car on a (x2-x1) au dénominateur et on ne peut pas diviser par 0 Quote Link to comment Share on other sites More sharing options...
Pihounette Posted January 29, 2019 Author Share Posted January 29, 2019 (edited) @Chat_du_Cheshire Merci beaucoup ! Edited January 29, 2019 by pihounette8645 Quote Link to comment Share on other sites More sharing options...
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