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Is a new type of ballastless track, with reinforced concrete slabs, and under the big board with emulsified asphalt cement mortar as the first adjustment layers (or overlay on a cushion of high molecular elastic material layer) consisting of orbit. This kind of track is suitable for stone roadbed or non - ballasted deck. The asphalt concrete bearing layer shall be installed on the soil foundation. This kind of track integrity is good, the line is stable, the maintenance workload is small, but the cost is high, the construction period is long. Japanese railways have been used in the Shinkansen
The tire is one of the most important components of the car, its main function is: support the vehicle all the weight, bear the load of the car; To transmit traction and brake torque to ensure the adhesion of wheels and pavement; Reduce and absorb the vibration and impact of the car while driving, prevent violent vibration and early damage of the auto parts, to adapt to the high speed of the vehicle performance and reduce the noise of cars, to ensure driving safety and handling stability, comfort, energy conservation and economical efficiency
Awarded a UK patent, Senior’s PURe® range of energy-efficient aluminium windows and doors is the first on the UK market to benefit from an enhanced thermal barrier manufactured from expanded polyurethane foam (PUR). Traditionally used in cladding and insulation products, the innovative use of PUR as a thermal barrier in windows and doors gives the PURe ® range the potential to achieve U-values as low as 0.71W/m2 K when calculated as a commercial CEN standard window and 0.93W/m2 K when calculated as a CEN standard door.
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