Peking University, Aug. 24, 2017: The research team of Extreme optics leaded by Professor Liu Yunquan and Professor Gong Qihuang at Peking University investigated the phase distribution of electron ...

酒花萃取时残留于酒花萃取中的异丙醇，其量不得超过2.0%（以重量计）。 § 173.240 Isopropyl alcohol. Isopropyl alcohol may be present in the following foods under the conditions specified: （a） In spice oleoresins as a residue from the ...