The present paper proposes a new method of spectrophotometry based on linear combination ofmultiwavelength data by means of selecting a set of properly weighted
The effects of chemical gas-phase RE diffused permeation on the corrosion resistivity ofalbronze alloys were studied by X-ray photoelectron spectroscopy,ion pro
The absorption spectra of p-ACA(p-acetylcarboxylazo)and its complex with lanthanum ionswere determined.The molar ratio of metal to ligand in the complex was estim
The free-cutting phase in RE or Ca-RE treated sulfur-containing free-cutting steel is the eutectic phasesof MnS-RE<sub>2</sub>S<sub>3</sub> and (Mn,Ca)S-RE<sub>2<
The crystal structure of Nd(ph-CH<sub>2</sub>COO)<sub>3</sub>H<sub>2</sub>O has been determined by X-ray diffraction technique.Thecrystal behmgs to orthorhombic s
The extractive separation properties and the extractive regularity of the lanthanide elements by fivedi(2-ethylhexyl)alkyl phosphonates with various alkyl structu