refractory metal造句怎么写

boat of refractory metal

The research status of refractory metal nanocrystals is briefly described.

The refractory metals and refractory metal silicides that are used to augment or replace the polysilicon are generally deposited by physical vapor deposition processes.

Uses: used Lanthanum tungsten, lanthanum molybdenum cathode materials, ternary catalysts, petrochemicals, gas lamps mantle additives, alloy, refractory metals.

Hard alloy, refractory metal, superhard alloy (diamond) products, etc.

refractory metal fibre reinforced ceramic

The main measurement to improve its properties is to add something to the nickel-aluminum system, such as metallic molybdenum, nickel-boron and refractory metal silicates.