Part B 2 . 1 . Ammonia Synthesis
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منابع مشابه
Mechanisms of Ammonia-synthesis Reaction Revisited with the Aid of a Novel Graph-theoretic Method for Determining Candidate Mechanisms in Deriving the Rate Law of a Catalytic Reaction
Stoichiometrically exact, candidate pathways, i.e., mechanisms, for deriving the rate law of the catalytic synthesis of ammonia have been determined through the synthesis of networks of known elementary reactions constituting such pathways. This has been undertaken to reassess the validity of available mechanisms and to explore the possible existence of additional ones for the catalytic synthes...
متن کاملThe excretion of isotope in urea and ammonia for estimating protein turnover in man with [15N]glycine.
1. Four normal adults were given [15N]glycine in a single dose either orally or intravenously. Rates of whole-body protein turnover were estimated from the excretion of 15N in ammonia and in urea during the following 9 h. The rate derived from urea took account of the [15N]urea retained in body water. 2. In postabsorptive subjects the rates of protein synthesis given by ammonia were equal to th...
متن کاملSynthesis and Characterization of Ru/Al2O3 Nanocatalyst for Ammonia Synthesis
Ru/Al2O3 catalysts were prepared by conventional incipient wetness impregnation as well as colloid deposition of RuCl3 precursor via in situ reduction with ethylene glycol (polyol) method on alumina support. The samples were characterized by TEM, XRD and TPR techniques. The catalytic performance tests were carried out in a fixed-bed micro-reactor under diffe...
متن کاملSynthesis, Single-crystal Structure and Raman Spectrum of Cu[N(CN)2]2 2 NH3
Transparent blue crystals of Cu[N(CN)2]2 · 2 NH3 were obtained by blending solutions of Na[N(CN)2] and Cu(NO3)2 · 2.5 H2O in aqueous ammonia and subsequent evaporation of the solvent under ambient conditions. Cu[N(CN)2]2 · 2 NH3 crystallizes in space group P1 (no. 2, Z = 2) with the cell parameters a = 746.1(4), b = 747.8(4) and c = 894.4(5) pm, and the angles α = 68.94(2), β = 75.52(1) and γ =...
متن کاملUrea synthesis by ruminal epithelial and duodenal mucosal cells from growing sheep.
The objective was to determine whether ruminant gut tissues have the capability to synthesize urea in a short-term incubation. Mixed primary cell cultures containing ruminal epithelial (REC) or duodenal mucosal cells (DMC) were isolated from growing sheep (n = 4) fed a mixed forage-concentrate diet. Cells were incubated (90 min) in a Krebs salts-based buffer with either acetate (5 mM) or propio...
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تاریخ انتشار 2002