The fundamental equipment of each eye bank included super-clean worktable, slit-lamp microscope, refrigerator, and liquid nitrogen jar.
所建各眼库均有的设备：超净工作台、裂隙灯显微镜、冰箱、液氮罐。
Study was made on the effect of the various kinds of grinding media (steel jar and porcelain ball or iron jar and iron ball) on the flotation of pyrrhotite grinded in a nitrogen environment.
研究了氮气磨矿环境下不同的磨矿介质(钢罐瓷球、铁罐铁球)对磁黄铁矿浮选的影响。
Study was made on the effect of the various kinds of grinding media (steel jar and porcelain ball or iron jar and iron ball) on the flotation of pyrrhotite grinded in a nitrogen environment.
研究了氮气磨矿环境下不同的磨矿介质(钢罐瓷球、铁罐铁球)对磁黄铁矿浮选的影响。
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