The surface layer consists of oxide, sulphide and N, C compound.
表层由氧化物、硫化物和氮（碳）化合物组成；
2
Objective: To study the dynamic changes of nitric oxide (n o) and nitric oxide synthase (NOS) in rat brain tissues after experimental brain trauma and their significance.
目的：研究实验性颅脑伤大鼠脑组织一氧化氮(NO)和一氧化氮合酶(NOS)含量的动态变化及其意义。
3
In the review, the synthetic methods of quinoline N-oxide and its applications in medicines, pesticides, dyes were described in ditail.