缩分是制样的关键程序，目的在于减少试样量。试样缩分可以用机械方法，也可用人工方法进行。
用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。
Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.
介绍了SX2型旋转缩分器的结构特点及其在煤炭机械化采制样装置中的应用。
The structure of new-designed SX2 rotary type coal division device is introduced in this paper.
本文探讨了含明金样品的可碎性、过筛、缩分，制定了加工这类样品的新流程。
In this paper, the crushability, screening and reduction of the samples containing visible gold were researched and a new flow path to process the samples was developed.
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