... Abstract Résumé In this new technique, samples are irradiated in vacuo with monoenergetic soft X-rays. Photoelectrons and Auger electrons that are emitted are sorted according to energy, producing an electron energy spectrum. All elements except hydrogen, helium and lithium have similar...

... substitute the electron withdrawing group, for instance the cyano group, by another group which is less electron withdrawing? Is it possible to dimerize for instance olefins by your method? Mr. BAIZER: Unsaturated compounds which are not activated by electron withdrawing groups cannot...

... various kinds of fuel-fossil fuel, in particular-for energy purposes. A great deal of attention has been devoted in recent years to the des fuel cell application economics electrolyte solution new conversion device Downstream Oil & Gas catalyst electron hydrocarbon hydrogen...

... natural thermoluminescence procedure calcite glow peak natural sample Upstream Oil & Gas Medlin mechanism dolomite electron luminescent center emission limestone intensity Section I - Paper 37 U. S. A. THERMOLUMINESCENCE OF SEDIMENTARY ROCKS W. L. Medlin * Abstract. Applications...

... températnrei et i pressioni élevées, indiquent l'existence d' production control Reservoir Surveillance methane Downstream Oil & Gas Radiation Chemistry irradiation radiolysis neopentane hydrocarbon mass spectrometer argon production monitoring Ethylene propane electron mechanism...