通过脂肪酸、氨基酸等分子的稳定同位素特征，可以更细致更准确地了解食物网的营养结构、物质和能量的传递过程。
Stable isotopic characteristics of fatty acid and amino acid can reveal trophic structures, matter and energy flow processes of Marine food webs in detail.
同位素标记的氨基酸与普通氨基酸相比具有结构一致、性质基本相同的特点。
Compared with common amino acids, the isotope-labeled amino acids have accordant structure and analogical property.
采用原子蒸气束激光诱导荧光法测量钆原子的第一激发态的同位素位移及超精细结构、原子跃迁自发辐射的分支比和原子蒸气束的多普勒宽度。
The isotope shifts, hyperfine structure, spontaneous emission branch ratio of the first excited level and Doppler width of the atom vapor beam were measured using laser induced fluorescence.
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