whitethorn

[waɪt'θɔ:n][waɪt'θɔ:n]

n.山楂

  • The Determination of Trace As and Hg in Whitethorn Leaf by Vapor Generation-Atomic Fluorescence Spectrometry

    蒸汽发生-原子荧光光谱法测定 山楂叶中痕量砷和汞