Rapidly quenching embrittlement (RQE) sometimes appears in Fe73.5 Cu1 Nb3Si13.5B9nanocrystalline soft magnetic alloy (FI......

目的观察N-araehidonoyl ethanolamide（Anandamide，AEA）对A549细胞的作用并且探讨AEA的作用机制。方法倒置显微镜观察细胞的形态学变......

Rapidly quenching embrittlement (RQE) sometimes appears in Fe73.5 Cu1 Nb3Si13.5B9nanocrystalline soft magnetic alloy (FI......

介绍了天津高力预一预应力钢绞线公司在合资后,在企业经营机制、运行模式发生了重大变化的情况下,适应形势、积极开展技术创新和机......

In this work, we had adopted solid states reaction kinetic model to calculate diffusion coefficient of graphite Gr in Gu......

The tensile characteristic of nitrocarburized45 steel treated by different cooling rates was studied in thiswork.We had ......