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1)  Fine particle fluid bed
细粒床
2)  Wucun fine-grained gold deposit
微细粒型金矿床
1.
Wucun fine-grained gold deposit is hosted in Daye Group and Changxing Formation with a lithology of fine clastic rock and impure carbonate rock.
通过对江西吴村微细粒型金矿床地质特征和地球化学异常特征资料的整理,得出该金矿床的赋矿层位是大冶群和长兴组,岩性为细碎屑岩和不纯的碳酸盐岩,次生晕和分散流金异常区是寻找该类矿床的有利靶区,而原生晕Ag、As、Sb、Hg、Ti高浓度组合异常内,及有黄铁矿化等热液蚀变现象地段是金矿床矿(化)体存在的有利地段。
3)  turbulent fluidized bed reactor
细粒床反应器
4)  micro-fine-grained disseminated gold deposit
微细粒浸染型金矿床石
5)  fine particle
细粒
1.
The native gold is main gangue minerals and it is fine particle and micro-fine particle.
金矿物以自然金为主,可回收元素金为细粒金和微细粒金。
2.
According to the mineralogical characteristics of the low-grade fine particle magnetite ore in Inner Mongolia,in order to reduce production costs,high degree iron concentrate was obtained by the process of stage grinding and stage magnetic separation.
根据内蒙古某细粒低品位磁铁矿的矿石性质,以降低生产成本为出发点,采用阶段磨矿、阶段磁选工艺,可获得高品位铁精矿,在原矿全铁含量为14。
6)  fine grain
细粒
1.
For the purpose of processing fine grained,dense and irregular shaped alluvial gold and ensuring the effective gravity greater than medium resistance in the course of separation,the technology of ore processing on gold dredger with jigging as its foundation and the technology of ore dressing in concentration plant on river bank with classification conducted prior to separation must be developed.
为选收细长、密实、不规则的细粒砂金,保证其在分选中的有效重力大于介质阻力,应制定以跳汰为基础的船选工艺和先分级、后分选的岸上选厂工艺,优选适宜矿砂各自特性的选矿设备和操作参数。
补充资料:细粒床反应器
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CAS号:

性质:床层呈湍流状态且气相为分散相的密相流化床反应器,亦称细粒床反应器。其特点是:床层操作流化数高,处于激剧的湍动和混合状态;床层两相依然存在,但气泡比鼓泡床小得多,且直径几乎不随气速而变;沿床层轴向高度基本不存在气泡汇聚;床层密相空隙率较大,能容纳相当大量气体,有利于气-固催化反应;床层的膨胀量较大。由于多采用细固体颗粒,因此对固体粉尘回收设备要求较高。

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