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Previously published data of three-phase fluidization were correlated to develop a new empirical correlation for predicting bed voidage in gas-liquid-solid fluidized beds. The proposed correlation model, when used in conjunction with any suitable two-phase model for bed voidage, can serve as a correlation for bed voidage in both two- and three-phase fluidized beds. It describes the bed expansion...
The photoactivation process of a photosensitive nitrile hydratase (NHase) from Rhodococcus sp. N-771 has been investigated by 57 Fe Mossbauer spectroscopy and magnetic susceptibility measurements in order to clarify the behavior of iron atoms in the enzyme. Mossbauer spectra of inactive NHase gave two symmetric-doublet components indicating the presence of two iron species, while that...
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