Ceramic counteracts materials shrinkage and expansion

Article Abstract:

Researchers at Lucent Technologies Inc and Johns Hopkins University have discovered why zirconium tungstate, unlike most materials, expand when cooled and shrink when heated. The ability of the compound to counteract unwanted shrinkage or expansion effects makes it a viable material for forming composite-based components used in fiber optic technology. Lucent is evaluating the potential of using a zirconium tungstate compostie material for packaging a grating used in glass fiber optic.

Tungsten Compounds

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Clay can clean up radium contamination

Article Abstract:

Penn State University researchers have discovered that sodium-4 mica was the best clay for removing radium.

Ground or Treated Mineral and Earth Manufacturing, Nuclear Wastes, Minerals, ground or treated, Lightweight Clay Aggregates, Radioactive wastes, Clay minerals, Aggregates (Building materials)

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Product digest: process control

Article Abstract:

Information about the various new products in chemical industry in process control is presented.

Facilities & equipment, Product information, Equipment and supplies, Chemical industry, Process control, Pesticides industry, Herbicides, Sulphur industry

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