Contents
Glass Physics and Chemistry


Vol. 25, No. 5, 1999


The Problem of the Existence of an Ordered Metastable Liquid at Low Temperatures:
Thermodynamic Solution of the Kauzmann Paradox

S. V. Nemilov p. 377  abstract

Inorganic Glasses: Three Mechanisms of Glass Transition

G. M. Bartenev, V. A. Lomovskoi, G. M. Sinitsyna, and A. G. Barteneva p. 390  abstract

Investigation of the Thermodynamic Properties of Melts in the K2O–GeO2 System
by the Electromotive Force Technique

E. L. Kozhina, S. A. Besedina, V. G. Konakov, and M. M. Shultz p. 401  abstract

Heat Capacity, Fictive Temperature, and Degrees of Structural and Energy Ordering
in Vitreous Potassium Silicates in Relation with Their Structure

N. V. Borisova, V. M. Ushakov, and M. M. Shultz p. 408  abstract

Fictive Temperature, Excess Entropy and Enthalpy (Relative to Crystal), and Scales
of Cooperative Motion for Some Glass-Forming Alkali Borates in Relation
to the Cooling Rate of Melts

V. M. Ushakov, N. V. Borisova, and M. M. Shultz p. 414  abstract

A Study of the Relative Bacisity of Melts in the K2O–GeO2 System

S. A. Besedina, V. G. Konakov, and M. M. Shultz p. 421  abstract

Thermodynamics of Reactions between Oxide Glass Melts and Gases:
I. Solubility of Water Vapor

P. Buhler p. 427  abstract

Thermodynamics of Reactions between Oxide Glass Melts and Gases:
II. Solubility of Gases Containing Sulfur (SO3, SO2, and S2)

P. Buhler p. 434  abstract

Quantum-Chemical Simulation of the Incorporation of a Li2O Molecule
into Vitreous B2O3 and SiO2

O. A. Kondakova, S. A. Dembovsky, and A. S. Zyubin p. 441  abstract

Influence of Nb2O5 on the Properties of Photochromic Glasses
in the BaO–Al2O3–B2O3 System

N. A. Papunashvili, V. D. Ryabtseva, N. A. Sikharulidze, and A. L. Shengeliya p. 449  abstract

On the Nature of Current Carriers in Alkali-Free Glasses Based on Silicon, Boron,
and Phosphorus Oxides

I. A. Sokolov, I. V. Murin, V. N. Naraev, and A. A. Pronkin p. 454  abstract


Short Communications

Temperature Dependence of Linear Dimensions of Monolithic Silica Gel Samples Prepared
from Tetramethoxysilane by Sol–Gel Synthesis

S. V. Stolyar and N. N. Khimich p. 469  abstract

Chemical Interaction of Components in the (Bi2S3)1–x(P2S5)x Glass-Forming System

M. S. Gutenev, A. R. Tabolin, and E. Yu. Turkina p. 471  abstract


Chronicle

Obituary: Lyudmila Nikolaevna Urusovskaya (1930–1999) p. 474


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