With the increase of DCP content from 0.2~1.0 phr, the modulus, hardness and elastic modulus ( E ′) of SBR vulcanizates increase but the tensile setatbreak decreases.
At the start of your break, set an alarm clock to remind you when your break is over.
在你准备休息时,设置一个闹钟来提醒你结束休息。
3
In 1997 at Black Rock Desert, Nevada, he drove Thrust SSC to become the first person to break the sound barrier in a car and set the existing land-speed record of 763mph.