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ferrous mineral
含铁矿物
Mechanism and pilot study of ferrous mineral adsorbent for phosphate removal 含铁矿物吸附剂除磷机理研究及中试应用 短句来源 The results of mineralogy show that the main ferrous mineral is fine magnetite,which exists in ferruginous glass partly as inclusion texture. 工艺矿物学研究结果表明:该渣中主要含铁矿物(磁铁矿)的嵌布粒度细小,且部分以微细包裹体形态分布于成分复杂的铁质玻璃体中,采用常规磁选工艺无法有效回收。 短句来源 “ferrous mineral”译为未确定词的双语例句
Several Thinking about the Development of Non Ferrous Mineral Industry 有色金属矿业发展的几点思考 短句来源 Main ferrous mineral in the iron ore is magnetite. In this study,a iron concentrate of 65.25%TFe could be obtained with a recovery of 80.33% by a process of "stage grinding-stage low-intensity magnetic separation". 安徽某铁矿石中主要铁矿物为磁铁矿,采用阶段磨矿阶段弱磁选可选别出品位65.25%、回收率80.33%的铁精矿; 短句来源 
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The studied quartz sandstones have a wide-range of cements and grain-sizes including silica-, carbonate-, clay- and ferrous mineral-cemented varieties of fine-, medium- to coarse-grained types.
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The rivers in southern China had notably higher concentrations of trace metals in sediments because of abundant non-ferrous mineral deposits and stronger weathering process in the region.
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These data are being analyzed for evidence of absorption features diagnostic of specific ferric or ferrous mineral phases on Mars.
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Ferrous Mineral Commodities Produced in the Republic of South Africa.
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The authors have undertaken the test research on separating chalcopyriteand molybedenite by HGMS and studied the possibility of applying it to non-ferrous mineral processing. Satisfactory test indexes have been abtained inseparating mixed chalcopyrite-molybedenite concentrate. Experiment resultsand theoretic analysis show that removing flotation agent before separatingand adding appropriate dispersant and setting suitable vibration during separa-tion are very important to improve separating effi... 本文进行了振动高梯度磁选分离铜钼的试验研究,初步探讨了将高梯度磁选应用到有色金属选矿领域的可能性。对江西德兴铜矿选厂的铜钼混合精矿进行了试验,取得较好的试验指标。试验结果及理论分析表明:分选前的脱药,分选中适度的振动以及添加合适的分散剂,对提高铜钼分离的分选效率,有着十分重要的作用。 文摘来源 The Yuanjiancun deposit is characterized by low grade metamorphism,well exposed stratigraphic section,and simple tectonics.It therefore offers an ideal locality in studying formation environment and metamorphic processes of Precambrian banded iron ores.Developed in shallow water basin of eugeosyncline, the Yuanjiancun formation some 1200 m thick comprises three sedimentation-ore formation cycles,each of which begins with coarse to medium-grained clastic rocks(quartz sandstone or arkose),passing through fine... 山西省吕梁山地区早元古宙袁家村铁矿以变质程度浅、地层剖面完整和地质构造简单为特征。厚约1200m 的袁家村组含铁岩系可以分成三个段,它们分别代表了三个沉积-成矿旋回。其中每一个旋回都是以粗碎屑岩开始,经过粉砂岩和泥质岩逐渐过渡为较纯的胶体化学沉积物即硅质岩。矿区出现的铁矿物相沿剖面自下而上依次为黄铁矿、菱铁矿、铁硅酸盐(包括铁绿泥石、铁滑石和黑硬绿泥石)、磁铁矿和赤铁矿。这些铁矿物相是沉积阶段、成岩阶段至初级变质阶段的产物。它们在地层剖面上的空间分布,反映各旋回铁矿物相的形成环境,在时间上自早至晚,空间上自下而上,其氧逸度逐渐增高。控制铁矿物相类型和其中铁价态形式的主要因素,是沉积时泥砂质碎屑组分和铁硅质胶体化学组分的性质和相对比例,以及其中有机质的存在与否及其多寡。 文摘来源 In this paper, the W - type ferrite was prepared by using natural ferrous - mineral with direct method. By means of XRD, TEM, VSW et al. techniques, the structure, alphaform, magnetic properties of the ferrite was synthesized. The result shown that natural ferrous - mineral could used to prepare the high performance W - type ferrite materials. The magrietic performances as follows: σs = 92.59emu/g, σr, =54. 93emu/g, Hc = 2. 6kOe. 本文用天然铁矿石直接法制备W－型铁氧体，借助于XRD、TEM、VSM等技术对合成的铁氧体的结构、形貌和磁学性能进行了表征。结果表明，用天然铁矿石可以制备出高性能的W－型铁氧体SrZn_2Fe_(16)O_(27)磁性材料。其磁学性能分别为：σ_s＝92.59emu／g，σ_r＝54.93emu／g，Hc＝2.6kOe。 文摘来源 << 更多相关文摘 
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