The getter was chosen to remove N2 in D2 which was prepared by electrolyzing heavy water in high temperature.

电解重水制备d 2中常含有微量杂质n2，为降低N2含量，选择锆铁钛吸气剂高温对n 2进行脱除。

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China's Huawei submerged its Ascend D2 phone for the benefit of attendees at the Mobile World Congress, and Kyocera added a water-resistant Hydro smartphone to its line last summer.

CNN: Waterproof phones and tablets make a splash