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I propose here that the enzyme shuttles between these two states during rapid turnover of hydrogen . This is in line with the lack of such a high activity in the RH. Thus the binding of hydrogen to the Nia-S state brings the enzyme in the highly active Nia-C state. The subsequent reaction with a second hydrogen molecule reduces the Nia-C state to the Nia-SR state

I Proposed mechanism for photocatalysis of alkene hydrogenation by iron carbonyl

I Proposed tetrameric to dimeric AIP conversion mechanism .

I provides an overview of the relationships among different light scattering methodologies. This chapter focuses on quasielastic light scattering techniques 3,6,11 — 151 measure the angular dependence of the average scattered light intensity. SLS provides information on the size, shape, and spatial orientation of the dispersed colloidal particles. SLS will not be discussed further, but the cited references contain more information.

I PTSA, II latent sulfonic acid, III triphenyl-sulfonium hexafluoroantimonate.

I racture toughness vs. area fraction of agglomerates, fit. Data from Yeh Wang, Jiang-Shen Huang, J. Appl. Polym. Sci., 60, No.l 1, 1996. 1779-91.

I Range of possible time scales for system under study.

I rape Forming

I razine nthesis via dimerisation of amino alcohols.

I rceze-fraclLire TEM of the onion phase in the system tetradecyllrimethylaminoniurn bromide-tetradocyldiinethyl-araincoxidc-hexanol, showing largo mullilamellar vesicles . Kcproduced Ifom Ref, fl8 with permission cf Aeadcmic Press.

I Reaction mass shaker .

I Reaction of 2-methyl-2-butene IV with diethylmalonate III over kaolin

I Reaction of styrene epoxide with 3-buten-l-ol

I Reactions of urea with formaldehyde.

I Reactor building of the HTTR.

I received these words of encouragement from Steven Boydston on December 28,1994.

I Reference building structure and half plane view.

I Reference domain.

I Regions of the enamide substrate for asymmetric hydrogenations.

I Relationship between frequency and severity

I relaxation rates

I Representation of the removal of various electrons from N2. The diagram is not drawn to scale.

I Representations of molecular skeletons of cumulenes by geometrical figures.

I Representatives of the six naturally occurring families of echinocandin lipopeptide antifungal agents.

I represents a two-dimensional damage distribution of an impact in a 0 90 CFRP laminate of 3 mm thickness. Unlike in ultrasonic testing, which is usually the standard method for this problem, there is no shadowing effect on the successive layers by delamination echos. With the method of X-ray refraction the exact concentration of debonded fibers can be calculated for each position averaged over the wall thickness. Additionally the refraction allows the selection of the fiber orientation. The presented X-ray refraction topograph detects selectively debonded fibers of the 90 direction.



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