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    Chapter and Conference Paper

    Effects of Calcium on the Morphology of Rhizopus oryzae and L-lactic Acid Production

    The effects of exogenous calcium on fungal pellet morphology during preculture and L-lactic acid production were studied. The results showed that addition of exogenous calcium could induce pellet formation. Th...

    Yong-Qian Fu, Long-Fei Yin, Ru Jiang, Hua-Yue Zhu… in Advances in Applied Biotechnology (2015)

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    Chapter and Conference Paper

    The Effect of Energetic Electrons on the Secondary Ion Emission

    There have been two main mechanisms proposed for ionization processes in SIMS; they are the electronic excitation by atomic collisions [1] and the atom-surface resonant electron tunneling [2,3]. A direct evide...

    Zhu Ang-Ru, Wu Xe-Ling in Secondary Ion Mass Spectrometry SIMS IV (1984)