catalyst u rečniku PONS

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They are widely employed catalysts because they are soluble in the nonpolar substrates, such as the alkyd resins or linseed oil.
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In the heterogeneous processes, gaseous substrate and oxygen (or air) are passed over solid catalysts.
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The catalysts exhibit some tolerance for functional group.
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These catalysts must be able to react quickly and absorb a large percentage of solar photons.
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Catalysts can only speed up the reaction chemicals that slow down the reaction are called inhibitors.
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Nickel complexes of this ligand are homogeneous catalysts for the hydrocyanation of alkenes.
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Many of these features make lanthanide complexes effective catalysts.
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Additionally, heterogeneous catalysts can dissolve into the solution in a solidliquid system or evaporate in a solidgas system.
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Molybdenum sulfide catalysts have been well studied but have yet to find widespread use.
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However, poisoning of catalysts can be used to improve selectivity of reactions.
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