以下为句子列表：
英文: Abstract: In this paper conditional experiments of cobalt oxalate precipitatio n process are made.The influence of the process on cobalt powder size is analyze d and discussed.Regularity of cobalt powder size change is summarized.
中文: 文摘:对草酸钴沉淀的工艺条件进行了试验，并分别就该工艺对钴粉粒度的影响进行了分析和讨论，总结出钴粉粒度变化的规律。
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