Abstract: A radiation attenuation elastomeric material which includes an elastomer in which a powder of metal oxides is dispersed, wherein the powder of metal oxides includes from 70 to 90% by mass of bismuth trioxide, from 5 to 15% by mass of tungsten trioxide, and from 5 to 15% of lanthanum trioxide. Multilayer protective gloves incorporating this material are suitable for use in protecting a wearer from ionizing radiation when handling radioactive materials.

Abstract: The invention relates to a radiation attenuation elastomeric material of the type comprising an elastomer in which a powder of metal oxides is dispersed, and which is characterized in that the powder of metal oxides comprises from 70 to 90% by mass of bismuth trioxide, from 5 to 15% by mass of tungsten trioxide and from 5 to 15% of lanthanum trioxide. It also relates to the use of this elastomeric material for making individual protective articles against ionizing radiations. It further relates to a multilayer protective glove against ionizing radiations, at least one layer of which is formed by said elastomeric material, as well as to the use of this glove for protection against ionizing radiations emitted by powders of nuclear fuels, notably with plutonium. Fields of application: the nuclear industry for handling powders of nuclear fuels but also medical imaging, interventional radiology, nuclear medicine, processing of plastic materials, inspection and control of manufactured parts, etc.

Abstract: A proving system is described wherein there is a cylinder and a moving piston within the cylinder having an indicator rod extending out of the cylinder and a cursor on the rod adapted to move relative to a scale. A jacket surrounds the cylinder to which liquid propane will be circulated in order to equalize the temperature of the prover system prior to proving a meter to be proved. Once the temperature of the prover has been equalized the temperature of the liquid propane by continuously circulating the liquid propane through the jacket, the circulation to the jacket will be shut off and test runs of the liquid propane through the meter can be initiated.

Abstract: A process for the preparation of a fatty acid tagged with radioactive iodine, wherein a brominated or iodized fatty acid is reacted, preferably in the omega position, with radioactive iodide in the dry state or with an aqueous solution of radioactive iodide, in the presence of vehicling iodide, to exchange the bromine or iodine of such fatty acid for radioactive iodine.Application to use as radio-pharmaceutical products for studying cardiac metabolism troubles in human beings by scintigraphy.