Gaois

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  1. SCIENCE|natural and applied sciences|life sciences
    leath-am díghradaithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    degradation half time | DT50
    en
    Definition term used to quantify the outcome of biodegradation tests. It is the time interval, including the lag phase, needed to reach a value of 50 % biodegradation Reference "Commission Regulation (EC) No 761/2009 amending, for the purpose of its adaptation to technical progress, Regulation (EC) No 440/2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) CELEX:32009R0761/EN"
    Comment it is different from the half-life t0,5 when the reaction does not follow first order kinetics
    demi-temps de dégradation | TD50
    fr
    Definition quantifie le résultat des essais de biodégradation; c’est le laps de temps, incluant la phase de latence, nécessaire pour atteindre 50 % de biodégradation Reference "Règlement (CE) no761/2009 de la Commission du 23 juillet 2009 modifiant, aux fins de son adaptation au progrès technique, le règlement (CE) no 440/2008 établissant des méthodes d'essai conformément au règlement (CE) no 1907/2006 du Parlement européen et du Conseil concernant l'enregistrement, l'évaluation et l'autorisation des substances chimiques, ainsi que les restrictions applicables à ces substances (REACH) , JO L 220 du 24 août 2009 , http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2009:220:0001:0094:FR:PDF"
    DT50 | DT50
    mul