Disclosed is a system for managing wireless transmitting devices in which a wireless transmission from a transmission device is detected within or about a set area and an allowability of the transmission device to continue transmitting is based on an identification information, of the device, a location of the device and a number being called by the device.

Single crystalline nanoparticles that are tantalum nitride doped with at least one metal are described. The single crystalline nanoparticles can be doped with two metals such as Zr and Mg. The single crystalline nanoparticles can be Ta.sub.3N.sub.5:Mg+Zr, or Ta.sub.3N.sub.5:Mg, or Ta.sub.3N.sub.5:Zr or any combination thereof. Catalyst containing the single crystalline nanoparticles alone or with one or more co-catalyst are further described along with methods of making the nanoparticles and catalyst. Methods to split water utilizing the catalyst are further described.

The present invention relates to a reactor for production of synthesis gas that optionally has a fluid-tight connection to a heat exchanger, and to a process for producing synthesis gas, preferably under high pressure.

The invention relates to catalysts comprising palladium on a support in which the palladium is distributed in the support as an eggshell. The palladium surface area is at least 150 m.sup.2/gPd. A method for manufacturing such catalysts involves impregnating a support with an impregnation solution comprising palladium ions and citrate ions, followed by drying the resulting product. Also described is an impregnation solution comprising palladium ions, citric and/or citrate ions, and acetic acid, which is suitable for manufacturing the catalysts described.

A method for producing a shaped CuZn catalyst for hydrogenating organic compounds containing a carbonyl function. The shaped catalyst is suitable for hydrogenating aldehydes, ketones and also carboxylic acids and/or their esters, fatty acids and/or their esters, such as fatty acid methyl esters, to the corresponding alcohols, dicarboxylic anhydrides, such as maleic anhydride (MAn), or esters of diacids to dialcohols, such as butanediol. The present invention further relates to CuZn catalysts obtainable by the production method.

Milling methods that use grinding media particles formed of a ceramic material having an interlamellar spacing of less than 1250 nm.

Provided is a novel composite of an iron compound and a graphene oxide which is extremely useful as a photocatalyst or an active ingredient of an electrode. In this composite of an iron compound and graphene oxide, iron compound particles are supported on the graphene oxide.

The present disclosure presents a method of producing formic acid, hydrogen, or a mixture thereof. The method includes forming a reaction mixture. The reaction a mixture is passed over or placed in contact with a metal catalyst component comprising a nanostructured surface, in contact with water, and carbon dioxide. The reaction mixture reacts to produce a reaction product comprising formic acid, hydrogen, or a mixture thereof.

The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium and tantalum: wherein the oxygen evolution reaction catalyst comprises a crystalline oxide phase having the rutile crystal structure: wherein the crystalline oxide phase has a lattice parameter a of greater than 4.510 ?; and wherein the oxygen evolution reaction catalyst has a BET surface area of at least 50 m.sup.2/g.

A metal oxide catalyst capable of catalyzing an oxidative coupling of methane reaction is described. The metal oxide catalyst includes a lanthanum (La) cerium (Ce) metal oxide and further including a lanthanum hydroxide (La(OH).sub.3) crystalline phase. The catalyst is capable of catalyzing the production of C.sub.2+ hydrocarbons from methane and oxygen. Methods and systems of using the metal oxide catalyst to produce C.sub.2+ hydrocarbons from a reactant gas are also described.