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

Radiopaque cationically polymerizable compositions...

Raman-active optical fiber

Ramming compositions

Rapid process for the preparation of diamond articles

Rapid solid-state synthesis of refractory materials

Rapid-fire refractories

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 fluoride additive for sintering aluminum nitride

Rare earth garmet sintered compact

Rare earth oxide fluoride nanoparticles and hydrothermal...

Rare earth oxide powder

Rare earth oxide, basic rare earth carbonate, making method,...

Rare earth oxide-alumina-silica sintered body and method of prod

Rare earth oxynitride glasses