The extraction replica key techniques for TEM sample preparation of low alloying high strength steels were introduced in detail.
同时，针对样品制备过程中的各个关键步骤和环节，提出了低合金高强钢萃取复型样品制备的关键技术要点。
The behaviours of the initial depositing stage of electroless Ni-Co-P alloy plating on nickel and carbon steel by special sample preparation methods and TEM was studied.
摘 要： 用特殊制样手段在TEM上直接观察镍钴磷合金化学沉积的初期形貌。
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