Foam concrete used as sound-absorbing and energy-absorbing material
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
Apple on Tuesday reported strong third-quarter results that beat Wall Street expectations. Each of Apple major product lines is growing at more than 12 percent a year. Overall, Apple sales were up 36% from the same period last year. Annual iPhone sal…
Nanomaterials are widely used in cosmetics because of their unique optical, thermal and electromagnetic properties.…