mnn是什么意思

For BmN-n ( m + n ≤5 ) clusters, the ground state structures of BN-3、 B 2 N-3、 BN-4 and B 4 N-are planar, while the other clusters are linear.

BmNn- ( m+n≤5 ) 团簇的基态构型中,BN3-、B2N3 - 、BN4 - 和B4N - 为平面结构, 其余均为线形结构.

Study on role of DNA polymerase β in alkylating agent MNNG induced untargeted mutagenesis

DNA聚合酶β在烷化剂MNNG引起的非定标性突变中的作用

This is because of the impurity nitride ( MmNn ) in glass.

本文认为这是玻璃内部所含的杂质氮化物 ( MmNn ) 所致.