TNT组和BCNU组病人治疗前后肌酐(CR)、素氮(BUN)的测量结果，两组之间无显著性差异(P＞0.05)，治疗前、治疗后3个月和治疗后6个月之间CR和BUN值均在正常范围内波动。
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尿素氮 BUN ; blood urea nitrogen ; Urea ; MUN
血尿素氮 BUN ; [生化] blood urea nitrogen ; Blood urea
血清尿素氮 BUN ; serum urea nitrogen ; blood urea nitrogen
血液尿素氮 blood urea nitrogen ; bloodureanitrogenBUN
乳中尿素氮 MUN
血中尿素氮 BUN ; blood urea nitrogen
血浆尿素氮 blood urea nitrogen ; PUN ; BUN
尿素氮测定 urea nitrogen assay
尿素氮排泄分数 FEUN
专家们说相关辐射危险性很小，因为氮的同位素氮16只会存在5秒钟。
Experts have played down the dangers, arguing that the isotope of nitrogen known as nitrogen-16 lasts for only five seconds.
研究了在固定化脲酶催化作用下双醛纤维素对尿素氮的吸附平衡和动力学。
The adsorption of urea nitrogen onto dialdehyde cellulose (DAC) under catalysis of immobilized urease in gelatin (IU) was studied in batch system.
但是空气中的氮气中的氮原子却会被一个叫做同位素的有着不同数量中子的氮原子所替换。
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
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