The developing history of PNP from mononuclear to dinuclear and trinuclear was introduced, and influences of PNP structure on the stability, activity and selectivity of the catalyst were emphasized.
重点介绍了PNP由单核向双核、三核的开发进程,并讨论了其结构对催化剂稳定性、活性和选择性的影响。
The significance of this article is to propose an effective semi-conductor IC manufacturing process that provides vertical NPN, vertical PNP and lateral PNP transistors.
本研究对生产实际的指导意义在于,有效的提供了一种半导体集成电路制造工艺,能够同时提供纵向NPN晶体管,纵向PN P晶体管以及横向PN P晶体管。
There was a paradoxical heat sensation in two patients with uremic PNP. Conclusions QST is a sensitive and reliable test and can be a useful test in the diagnosis of PNP.
结论 QST对于周围神经感觉功能的评价是一敏感而可靠的方法,有助于周围神经病的诊断。
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