Abstract: A method of depositing a nitrogen-containing electrochromic iridium oxide film by sputtering iridium in an atmosphere comprising oxygen and nitrogen is disclosed for use in producing a transparent electrochromic article. The article includes electroconductive films, e.g., ITO, on two substrates, one of which has a superimposed electrochromic film, e.g., tungsten oxide, and the other of which has superimposed the iridium oxide film of the invention. An ion conductive layer between the electrochromic films completes the article.

Abstract: A process for removing osmium from an aqueous solution of nucleosides comprising adding hydrogen sulfide, an aromatic pi base such as pyridine, and a mineral acid. The osmium is precipitated out of solution.

Abstract: A resistive film-forming composition to be coated on a substrate and calcined to form a resistive film is disclosed, which contains an organic iridium compound selected from a compound represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group, or an alkoxy group, a compound represented by formula (II):Ir(R.sup.4 COCR.sup.3 COR.sup.5).sub.3wherein R.sup.3 represents a hydrogen atom or an alkyl group; and R.sup.4 and R.sup.5 each represent an alkyl group. A uniform resistive film having excellent electrical characteristics can be formed with good adhesion to a substrate.

Abstract: There is provided a non-single crystalline material characterized by containing Ir, Ta and Al at the following respective composition rates:______________________________________ 28 atom percent .ltoreq. Ir .ltoreq. 90 atom percent, 5 atom percent .ltoreq. Ta .ltoreq. 65 atom percent, and 1 atom percent .ltoreq. Al .ltoreq. 45 atom percent. ______________________________________There is also provided a member comprising a substrate and a film composed of said non-single crystalline material being disposed on said substrate.

Abstract: An alloy having a very high resistance to oxidation is taught. The alloy contains between 30 and 75 atom percent of silicon in an iridium base. The alloy may be used in the form of a surface coating to protect structural elements of other materials from oxidation. The alloy may also be used as an ingredient of a composite.

Abstract: A nuclear fuel element and a method of manufacturing the element. The fuel element is comprised of a metal primary container and a fuel pellet which is located inside it and which is often fragmented. The primary container is subjected to elevated pressure and temperature to deform the container such that the container conforms to the fuel pellet, that is, such that the container is in substantial contact with the surface of the pellet. This conformance eliminates clearances which permit rubbing together of fuel pellet fragments and rubbing of fuel pellet fragments against the container, thus reducing the amount of dust inside the fuel container and the amount of dust which may escape in the event of container breach. Also, as a result of the inventive method, fuel pellet fragments tend to adhere to one another to form a coherent non-fragmented mass; this reduces the tendency of a fragment to pierce the container in the event of impact.

Abstract: A metal composition usable as a brazing material for bonding a metal to a non-oxide ceramic. The brazing material contains, at least, one or more metals selected from a first group of transition metals consisting of Pt, Pd, Rh, Ir, Ru and Os, and one or more metals selected from a second group of transition metals consisting of Cr, Mn, Fe, Co, Ni and Cu. The material may further contain one or more elements selected from a third group of elements consisting of B, C, Si and P.

Abstract: A hard alloy including at least one hard phase and a binary or multicomponent binder metal alloy, in which the hard substance comprises a finely dispersed, homogeneous distribution in the binder metal. The hard phase comprises a carbide of a Group IVb, Vb or VIb transition metal, and the binder metal alloy comprises a solid alloy of a Group IVb, Vb or VIb transition metal, with Re, Ru, Rh, Pd, Os, Ir, or Pt.

Abstract: An amorphous alloy is prepared by rapid quenching from the liquid state and consists of(1) 10 to 40 atomic percent of P and/or Si(2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.The amorphous alloy is used for an electrode for an electrolysis.