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Basical requirements of dilution determining BOD5are summarized.
总结了稀释法测定BOD5的基本要求。
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There are two main basical preparation methods of activated zinc oxide.
我国传统的氧化锌生产方法主要是酸浸法和氨配合法。
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Function experiment is an important part of the basical medical science experiment.
机能学实验是基础医学实验的重要组成部分。
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