单词	autocatalysis
释义	autocatalysis /ˌɔːtəʊkəˈtalɪsɪs / noun [mass noun] Chemistry Catalysis of a reaction by one of its products.By autocatalysis or autocatalytic evolution he refers to ‘intrinsically driven and self-propelled’ biological change.... That is, we would need to know the exact concentration of the photoproducts in order to determine the rate constant for autocatalysis. It seems that amino acids are indeed the result of autocatalysis. Derivatives autocatalyst noun ... The amount of palladium used in autocatalysts in the 1990s was very high compared to platinum. The new facility is a major step in our strategy for the growth of our global autocatalyst business. Self-propagation occurs when the autocatalyst diffuses into the reactive medium, initiating reaction and creating more autocatalyst. autocatalytic adjective ... This is a complex autocatalytic oxidation-reduction reaction in which one of the active species changes color on oxidation. A change in the gene - a mutation - results not in the destruction of its autocatalytic power but in a modification of the autocatalytic process that now duplicates the altered gene. The observations also suggest that ethylene in ripening is regulated entirely in an autocatalytic manner.
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