海马组织一氧化氮测定，高铅对照组和低铅对照组海马一氧化氮，与空白组比较差异均有非常显著性（P< 0 .0 1） ；
The content of NO in hippocampus in the rats of lead controls was significantly decreased compared with that of the blank control ( P< 0.01).
同时用硝酸还原酶法测定肺动脉组织一氧化氮(NO)含量。
Nitric oxide (NO) content in pulmonary tissues was determined using nitrate enzyme reduction method.
方法对33例围产期窒息新生儿以及30例健康新生儿血浆CO和一氧化氮（NO）水平进行测定。
Methods The plasma CO and NO levels of 33 perinatal asphyxial neonates and 30 healthy newborn infants were measured.
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