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What is the sound barrier?
- A sound barrier is a facility that blocks sound waves between the sound source and the receiver, thereby reducing the noise in the area where the receiver is located.s
What are the materials on the roof of the building?
- Sound insulation blankets, thick curtains, sound-absorbing cotton, wallpaper, plastic window frames, soundproof glass, imported sealss
What is the roadbed sound barrier
- Subgrade ancillary facilities do not contain sound barrier, the contents of the inspection equipment, protective fence, take, spoil.s
What are the most common noise reduction materials?
- Commonly used sound insulation materials include: steel, glass, reinforced concrete, aerated concrete, solid brick, granite, marble, oak, plywood, gypsum board, cement pressure plate, silicon calcium boards
What is the best sound insulation decoration
- The higher the hardness of the material, the better the sound insulation. The most common method of decoration is light steel keel gypsum board partition wall, although the middle into the sound-absorbing cotton but because of lack of quality, sound insulation is poor.s
What is the type of noise board?
- According to the method of noise classification, can be divided into composite noise and structure from the sound and so on. Composite sound insulation refers to the use of a variety of sound insulation materials for a new sound insulation practices. In the use of different sound insulation sound insulation materials, the use of their own characteristics, in the noise in the composite use, to play the advantages of their respective sound insulation materials to improve the overall performance of noise, so that "rigid and flexible, multi-channel sound insulation, comprehensive protection "The effect.s
What is the best choice for sound insulation?
- , For different locations of the car, choose a different sound insulation material.s
What are the fireproof soundproof materials?
- The crest of the crest sound-absorbing sponge is a kind of sponge which is specially formed by the equipment to form a concave and convex wave shape. The interior is filled with fine voids and semi-open structure, which can absorb the sound energy of the incoming sound and attenuate the sound waves , Reduce the indoor reflection of the interference and reverberation, improve the sound purity.s
Basic working principle of automatic door
- How do automatic doors work, the basic composition of the automatic door machine is roughly the same, with more than one, and then with the door signal, you can configure a set of ...
How to become a construction Project manager
- Construction project managers combine their expertise in engineering and management to deliver projects on time and within budget.They prepare work schedules;manage a team that inc...
what is basalt rock
- What is basalt rock？Basalt belongs to basic volcanic rocks. It is the main component of the earth and the moon sea ocean crust, the earth crust is an important substance and luna...
What aluminium composite can be used for
- Description: Aluminium composite is with Nano-PVdF paint layer coated on front aluminium foil. Besides all good features of PVDF panel, but also coats PE(Polyester) paint and becau...
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...