High surface area, nanoscale, mesoporous manganese oxides...
High temperature process for making fine magnetic particles
High temperature refractory silicide rectifying contact
High temperature regenerative H.sub.2 S sorbents
High-porosity, high-surface area, low-bulk density alumina
High-purity magnesium hydroxide and process for its production
High-yield synthesis of brookite TiO 2 nanoparticles
Highly crystalline Mn2O3 or Mn3O4 manganese oxides
Highly homogeneous spinal Li.sub.1+x Mn.sub.2-x O.sub.4+y interc
Highly homogeneous spinel Li.sub.1+X Mn.sub.2-X O.sub.4 intercal
Highly photosensitive titanium dioxide and process for...
Highly pure tantalum pentoxide and a process for its preparation
Highly reactive alumina and process for the preparation thereof
Highly transparent, yellow iron oxide pigments, process for the
Highly-coercive isometric iron oxides, a process for the product
Hollow oxide particle and process for producing the same
Hydrated aluminum compounds, their preparation and use thereof
Hydration of alkaline earth metal oxide to produce alkaline...
Hydrides of lithiated nickel dioxide and secondary cells prepare
Hydrogen lithium titanate and manufacturing method therefor