The revenue produced by a pipeline depends on the rate that the fluid can be pumped along its length.It has been recogni......

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　　A protein encoded by Atlg32080 was uniformly identified in proteomics of Arabidopsis chloroplast envelope membrane p......

近些年来,汽车厂商在汽车上越来越多的使用热成形件。热成形件拥有很好的碰撞性能并能降低能耗。22MnB5热成形QP钢最有望达到此目......