Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss 3 Mar 5 '07 eng>esl knockout exclusión génica pro closed no 4 Nov 22 '04 eng>esl positive pressure air supplied respirator respirador de presion positiva con suministro de aire pro closed no 4 Aug 24 '04 eng>esl base-addition sales alcalinas pro closed no - Jan 23 '03 eng>esl phenanthrene moiety mitad de fenantreno pro closed ok - Oct 29 '02 eng>esl moiety mitad easy closed ok 4 Sep 26 '02 eng>esl Chemical Abstract Service (CAS) name numero CAS pro closed no - May 24 '02 eng>esl tuning of chemical processes perfeccionamiento de los procesos químicos pro closed ok Asked | Open questions | Answered