odd-N isotope 奇中子数同位素
n isotope dilution method n同位素稀释法
oxygen n isotope method 氧同位素法
n isotope tracer n示踪
n isotope dilution n同位素稀释
15 n isotope dilution n同位素稀释
15 N-isotope dilution N稀释标记法
The technology of stable C, N isotope ratio is an effective method for geographical origin traceability of beef.
利用稳定性碳、氮同位素技术是用于牛肉产地溯源的有效方法。
Those radioactive elements are N-16 the radioactive isotope (or version) of nitrogen (air).
这些发射性元素包括:氮16(空气中氮元素的放射性同位素)。
The method of determining Ni, Cu and Pbi n urine with isotope dilution mass spectrometry(IDMS)is described.
介绍了采用同位素稀释质谱 法(IDMS)测定 冻干人尿样品中镍、铜、铅的含量。
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