The author discusses some practical problems, such as magnetic force, matrix matching, selectivity, lower size limit, magnetic separator and matrix blinding.
本文从磁力、介质匹配、选择性、粒度回收下限、磁选机和介质堵塞等方面入手，探讨了应用高梯度磁选的某些实际问题。
It is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit.
提高块煤率、降低块煤限下率是当前无烟煤生产企业关注的焦点问题。
You may want to lower or increase this limit, depending on the size of your RAM.
您可能希望降低或增加这一限制，这取决于RAM的大小。
For tapered roller large end and sliding friction between the inner wall, the speed limit is often lower than the same size cylindrical roller bearings.
因圆锥滚子大端与内圈挡边之间滑动摩擦，其极限转速往往低于同尺寸的圆柱滚子轴承。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。
The lower limit of limestone size should be larger than minus 120 meshes.
目筛下的石灰石颗粒的存在不利于玻璃的澄清。
The ball pills which reach the upper limit of the qualified size and drop on the lower group of cylindrical rolls continuously move on the rolling cylindrical rolls.
落入下组圆辊上的达到合格尺寸上限的球型丸，继续在滚动的圆辊上移动。
The ball pills which reach the upper limit of the qualified size and drop on the lower group of cylindrical rolls continuously move on the rolling cylindrical rolls.
落入下组圆辊上的达到合格尺寸上限的球型丸，继续在滚动的圆辊上移动。
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