Definition of catalyst noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Selectivity of catalyst and its activity is an important concept. Catalytic surface is generally inactive in nature. When areactant is adsorbed on the catalyst surface, it makes the catalyst active.This incites the further process of reaction. Catalysts are highly specific in nature, that is, wha...
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Finally, in situ transmission electron microscopy (TEM) has proven to be one of the most powerful ways to gain insight into nanowire growth in a directly interpretable way. Importantly, the information provided by this method is local, meaning that the nanowire, the growth-enabling liquid droplet...
The fluorescence intensity differences (ΔI) are given on the x-axis, meaning that the set of particles found with intensities slightly above the threshold is placed at 0, and the intensity differences of the other particle sets are shown relative to this lowest set. Furthermore, the fluorescen...
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The term “radical” is etymologically derived from the Latin word “radix” meaning “root” (cf. the radical sign √ in mathematics). That is, a “radical solution” refers to a solution which targets the very roots of the problem, as opposed to peripheral symptomologies (in the case un...
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(Supplementary Fig.22), meaning that the oxidation state of Pt was smaller than that in the initial state. It is not surprising because the oxygen atoms attached to Pt can be removed by the hydrogen molecules. Besides, the EXAFS spectra showed that the first shell peak shifted from 1.57 to...
(step ii), and the formation of the product (step iii). On the basis of our calculation, linear and branched products derive from configuration I and II, respectively. Among the elementary steps, step iii is endowed with the highest energy barrier for both configuration I and II, meaning ...