Isorna伊索尔纳ISOabbr.国际标准化组织(=International Standards Organization)isoparametric transformation等参变换isotopic dilution technology同位素技术isotopic exchage equilibrium同位素交换平衡isoenthalpic reaction series等焓反应系列isothermal gas chromatograph等温气体色层分析仪isopropyloxy trimethylsilane异丙氧(基)三甲基硅烷isobtop therapeuti apparatus同位素治疗机Isothiazolylmethylpenicillin异噻唑青霉素[青霉素类抗生素]isometric muscle contraction肌肉等长收缩, 等长肌收缩Isoprenoids metabohc pathway异戊二烯途径