foam是什么意思

双语用例

• The rapid viscosity decrease and rather small hydrogen diffusion coefficient at glass transition temperature result in "foaming" of beryllium hydride in the course of thermolysis.

• Equation of state data experiments for plastic foams using smoothed laser beams.

• X-ray diagnostic applied to the study of shock wave propagation in foams.

• Research also was begun on forming hollow polystyrene target shells by foaming filled granules overheated by water.

• Recent advances in laser-plasma experiments using foams.

• One example of failure to do this was the case of flat roofs after foamed plastic insulation boards were introduced to achieve higher thermal insulation standards.

• Effects of microstructure on shock propagation in foams.

• 42 ns in the cases of 1.0 mm and 0.5 mm foams.