High-toughness ZrO.sub.2 sintered body and method of producing s

High-zirconia fused refractories

Highly birefringent glass

Highly chemically and thermally resistant borosilicate glass whi

Highly corrosion resistant .alpha.-sialon-like sintered body and

Highly corrosion-resistant silicon carbide product

Highly defective oxides as sinter resistant thermal barrier...

Highly dense cordierite and method of manufacturing same

Highly densified bodies from organopolysiloxanes filled with sil

Highly densified bodies from preceramic polysilazanes filled wit

Highly durable silica glass, process and apparatus for...

Highly durable silica glass, process for producing same,...

Highly heat resistant glass fiber and process for its production

Highly heat-conductive ceramic material

Highly heat-resistant inorganic fiber-bonded ceramic...

Highly porous ceramic material for absorption and adsorption pur

Highly porous ceramic material for absorption and adsorption pur

Highly prefractive, low dispersion optical glass suitable for mu

Highly refractive optical glass with refractive indices >1.83

Highly refractive, low dispersion, low density optical glass sui