Interaction of the Carbides of Group IV and V Transition Metals with Various Acids.- Method of Quantitative X-ray Analysis for Determining the Amount of Free Carbon in Boron Carbide.- Method of Separating and Determining the Free Carbon in Materials Containing Refractory Compounds.- Stability of Boron—Carbon Compounds in Oxygen at High Temperatures.- Certain Chemical Properties of Boron Carbonitride.- Oxidation of Boron, Gallium, and Indium Phosphides in Air.- High-Temperature Oxidation Resistance of Refractory Silicon Nitride—Silicon Carbide Materials.- Production and Chemical Stability of the Hydrides of Group IV and V Transition Metals.- Chemical Analysis of the Reaction Products of Boron with Arsenic and Phosphorus.- Complexonometric Analysis of Molybdenum Alloys.- Analysis of Titanium, Zirconium, Hafnium, and Tantalum Germanides.- Some Data Relating to the Chemical Properties of Germanides.- Analysis of the Selenides of the Rare-Earth Elements.- Complexonometric Analysis of Alloys of the Rare-Earth Oxides with the Oxides of Group II Elements and Chromium.- Separation of Alloyed Chromium Carbides of the Cr2C (Metastable) and Cr23C6 or Cr7C3 Types Isolated from Steels and Alloys.- Chemical and Electrochemical Methods of Separating the Carbides MeC and the Carbonitrides Me(C, N) of Group IV and V Metals.- Electrolytic Isolation of the ? Phase from Heat-Resistant Steels and the Determination of Its Composition.- Interaction of Refractory Group V Metals with Zinc.- Determination of Tungsten in Binary Tungsten—Molybdenum Alloys.- Determination of Molybdenum in the Presence of Tungsten.- Photometric Determination of Boron in Nickel and Titanium Borides Using Magnezone I in an Alkaline Medium.- Spectrophotometric Study of the Formation of Compounds between Niobium and the Reagent PAN.- Determination of Arsenic in High-Purity Molybdenum.- Chemical Phase Analysis of Mixtures of Borides, Carbides, and Borocarbides.- Interaction of Borides with Carbon and Carbides.- Chemical Properties and Analysis of Certain Transition Metal Sulfides.- Analysis of the Silicides of Group IV to VI Transition Elements.