Method Add povidone K30 in the prescription. Increase homogeneity of the materials by the method of increment by equal quantity.

方法在处方中增加聚维酮k 30，用等量递加混合法增加物料的均一性。

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Nanoscale zerovalent iron (NZVI) modified by polyvinylpyrrolidone (PVP-K30) was applied to remove tetracycline (TC) from aqueous solutions.

对聚乙烯吡咯烷酮（PVP-K30）改性纳米零价铁（NZVI）用于水中四环素（TC）的去除进行研究。

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The paper introduces a method, called as K30 testing method, for designing and inspecting the sand-stone-mud padding of large oil storage tank foundation.

文章介绍了一种对大型油罐基础砂石土垫层的设计与检验的方法——K_30试验法。

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