以下为句子列表：
英文: Mg powder and B powder with a ratio of .0 ∶ were well mixed and pressed into pellets. Samples were sintered for h at 0,700,70,800,80 and 900℃,respectively,in a flow of high purity argon gas.
中文: Mg粉、B粉按.0 ∶的比例混合、压制成型后,在流通高纯氩气的条件下分别于0、700、70、800、80和900℃烧结h,制备出MgB块材。
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