With a designed supercooled-water ice making system test-bed, carries out grouping experiments for different evaporating temperatures and water flow rates.

在自主开发的过冷水制冰试验台上，对不同蒸发温度和水流量下的运行情况进行了分组试验。

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Aim To explore new grouping method of clinical pharmacology experiments.

目的探讨临床药理实验分组新方法。

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The experiments on grouping processing of tobacco were carried out, tobacco leaves were grouped, blended, cased, and dried in different ways suitable to their quality characteristics.

进行了卷烟分组加工试验，即针对烟叶的不同品质特性，进行了不同混配方式、不同烘丝模式和分组加料、分类烘丝等试验。

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