R.sub.2 O-Al.sub.2 O.sub.3 /B.sub.2 O.sub.3 -P.sub.2 O.sub.5 gla

Radiation shielding glass having an improved gamma irradiation b

Radiation-shielding glasses providing safety against electrical

Radio-opaque calcium phosphate glass

Raman-active optical fiber

Rare earth containing P2O5-WO3-Na2O glass for laser...

Rare earth doped oxyhalide laser glass

Rare earth element-halide environments in oxyhalide glasses

Rare earth oxynitride glasses

Rare earth soluble telluride glasses

Rare earth-containing alkali silicate frits and their use for th

Rare earth-containing frits having a high glass transition tempe

Rare earth-containing zinc phosphate glasses

Rare earth-doped, stabilized cadmium halide glasses

Rare earth-doped, stabilized cadmium halide glasses

Raw batches for ceramic substrates, substrates produced from the

Raw material briquette for mineral wool production and process f

Raw material composition for soda-lime glass

Reaction inhibited-silicon carbide fiber reinforced high tempera

Red glass, process for manufacturing red glass, and tinted...