نتایج جستجو برای: ru1
تعداد نتایج: 100 فیلتر نتایج به سال:
Daniel F. Abbott, Sanjeev Mukerjee, Valery Petrykin, Zdeněk Bastl, Niels Bendtsen Halck, Jan Rossmeisl and Petr Krtil* Nanocrystalline ruthenium dioxide and doped ruthenia of the composition Ru1 xMxO2 (M1⁄4 Co, Ni, Zn) with 0 # x # 0.2 were prepared by the spray-freezing freeze-drying technique. The oxygen reduction activity and selectivity of the prepared materials were evaluated in alkaline m...
Let X be a topological space and G be a subgroup of the group H(X) of all auto-homeomorphisms of X. The pair (X,G) is then called a space-group pair. Let K be a class of space-group pairs. K is called a faithfull class if for every (X,G), (Y,H) ∈ K and an isomorphism φ between the groups G and H there is a homeomorphism τ between X and Y such that φ(g) = τ ◦g ◦ τ for every g ∈ G. The first impo...
Rhamnogalacturonan I (RGI) is a pectic polysaccharide composed of a backbone of alternating rhamnose and galacturonic acid residues with side chains containing galactose and/or arabinose residues. The structure of these side chains and the degree of substitution of rhamnose residues are extremely variable and depend on species, organs, cell types and developmental stages. Deciphering RGI functi...
Oxygen vacancies have a profound effect on the magnetic, electronic, and transport properties of transition metal oxide materials. Here, we studied the influence of oxygen vacancies on the magnetoresistance (MR) properties of SrRu1 - x Fe x O3 - δ epitaxial thin films (x = 0.10, 0.20, and 0.30). For this purpose, we synthesized highly strained epitaxial SrRu1 - x Fe x O3 - δ thin films with ato...
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