This formula applies one of the longevity conditions of Bama people: lung function improving method — a principle that the high content of negative oxide ions in the air makes people live long.
此配方应用了巴马人长寿条件之一：肺部功能提高法——空气中负氧离子含量高而让人长寿的原理。
Powder produced in this way has a uniform particle size distribution, low oxide content and high purity.
这种方法制造出来的焊锡粉具统一的粒径、氧化和高纯度的特性。
The conclusion is that impact attritioned powder with finer grain size and lower oxide content and its isostatic pressing consolidation are an important way to obtain high MYS beryllium materials.
结果表明，采用粒径细小低氧化铍的冲击研磨粉末和等静压固结工艺是获得高MYS铍材的重要途径。
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