pdsi造句

• (3 ) the analysis results of xrd, sem indicated that the ni-pd coating formed a fcc structure . after annealing at 200 ?, a little amount of pdsi was precipitated in the coating . the surface image of ni-pd coating was utricle
  (3)利用xrd、sem、aes等手段对ni-pd合金镀层的结构、表面形貌、成分进行了分析，结果表明ni-pd合金镀层形成了面心立方的固溶体结构，镀层经过200快速退火后，有少量pd的硅化物(pdsi)析出。