The controlling - velocity step for the enantioselective reduction is the decomposition of the B - O - B - N 4 - numbered ring.

该不对称催化还原反应的控制步骤是催化剂 - 烷氧基硼烷加合物的B -O-B-N 四元环的离解.

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TiB _ 2 and Ti - B - N coatings were prepared by magnetron sputtering on 1 Cr 18 Ni 9 Ti stainless steel.

用磁控溅射法在1Cr18Ni9Ti不锈钢上沉积了TiB2和 Ti -B-N涂层.

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B & N . com: But then you did become an accounting major.

邦诺网: 但后来你入了会计专业啊?

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Ideals and Prime Ideals in Structural Matrix Near - rings S ( B, N _ 0 )

结构矩阵近环S ( B, N_0 ) 中的理想和素理想(英文)

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B & N . com: You think that's why they called him Bird?

邦诺网: 你认为这就是别人叫他“鸟 ” 的原因?

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B & N . com: What sort of things are in your personal listening rotation at this point?

邦诺网: 什么类型的音乐你听得最多?

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