According to customers' requests of ammonium chloride on granularity, by studying, we invented blending, a new method of producting purified ammonium cloride with particular granularity.
根据用户对精铵粒度的要求，通过研究，发明了一种混合法生产特定粒度精铵的方法。
The lab method to prepare the coal water mixture by using certain kind of coal with a fine granularity distributing was introduced.
研究了实验室中制备水煤浆的方法，选择了合适的煤种和适合成浆的煤粉粒度分布。
The nano double-metal catalyst prepared by the preparation method has the advantages of uniform granularity of active ingredient grains, small grain diameter range and high catalytic activity.
其制备方法制备的纳米双金属催化剂具有活性组分粒子粒度均匀，粒径分布窄，催化活性高的优点。
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