isotope的例句大全

Stable isotope labeled L-tryptophan is an application of nucleus technology in amino acids.

稳定同位素标记的L - 色氨酸是核技术在氨基酸方面的应用.

Combined diagnosis by abdominal X-Ray, serum AFP assay, liver ultrasound and isotope scan, arteriogram and CT may be helpful in the identification of the tumor nature.

罕见肝肿瘤能在术前明确诊断者甚少，腹部X线平片、血清AFP、肝超声检查、同位素扫描、肝血管造影与CT等检查结果的综合判断，可能有助于对肿瘤性质的诊断。

They are characterized by the high-Al and low-Fe and-Mg composition and high Sr and O isotope ratios. Geochemical study shows that they are the product of anatexis of argillaceous rocks and fractional crystallization of magmas.

岩体以高铝、低镁铁组分，高锶、氧同位素比值为特征，地球化学研究显示它们是泥质岩的深熔作用和岩浆的结晶分异作用所形成的产物。

( physics, chemistry) being or containing an isotope with greater than average atomic mass or weight.

（物理学，化学）指原子质量或者原子量大于平均水平的同位素，或者含有这样的同位素。