The weighty feel of the springloaded keys, the motor-car styling, and the beautiful marks they print on the page all make for a rich writing experience that can make writer’s blockmelt away.
The volcanic activities have relations to the heat-flow upwelling, crust thinning, upper mantle and lower crust melting, and upward movement of the melt materials along the block boundaries.
火山活动与热流上涌、地壳拉伸减薄、上地幔及下地壳物质熔融并沿块体边界向浅部上移有关。
3
The results show that the block PET-PET(PHB60) copolycondensate was obtained duto in melt blending exists transesterification reaction between molecular chains of PET and PET(PHB60).