查询词典 magnetite

Interpretation of the magnetic parameters suggests roughly constant proportions of haematite and magnetite with a predominance of ferrimagnetic grains in superparamagnetic and multidomain + pseudo singledomain grain sizes.

各监测点磁性参数的测试结果表明，高矫顽力的&赤铁矿&和低矫顽力的&磁铁矿&的含量之比大致变化不大，在这些气溶胶中，在超顺磁、多畴和伪单畴的矿物晶体颗粒中，以亚铁磁性矿物占优。

These samples were collected along a main street across the urban area and a mountain route from foot to the top. Results demonstrate that the main magnetic minerals in the street dust are magnetite, maghaemite and haematite with some paramagnetic minerals. Plots of Mrs/Ms vs. Bcr/Bc and Xfd % vs. X ARM/SIRM indicate that the main grain size of magnetic minerals in the street dust are pseudo single domain. The results reveal that the Lanzhou city is more polluted in spring than in summer. The main pollution sources are anthropogenic activities （81.9%） and natural dust （18.1%）, especially the former. The spatial distribution of pollution is controlled by the topography and weather conditions.

结果表明，兰州市街道尘埃中磁性矿物含量较高，主要磁性矿物是铁磁矿、磁赤铁矿和赤铁矿，并伴有少量顺磁性矿物；磁性矿物粒度主要是准单畴；市区污染春季较夏季严重，春季高频率的强沙尘暴可能带来了更多的磁性矿物；兰州市污染物的沉积和分布在很大程度上受到气象条件和地形地貌格局的影响，市区每个盆地东端高于其它地区；兰州市污染以人为活动产物为主，人为活动贡献约为81.9％，其中包含交通约22.6％的贡献，自然降尘贡献约为18.1％；特殊的地形和气象条件，使得兰州市区的大气环境容量比平原城市的环境容量小得多，进而导致严重的大气污染。

Most of the smaller hornblendite bodies contain about 5-10 percent magnetite , with only local sporadic enrichment

在小的角闪岩体中，磁铁矿可占510%，仅有局部的散染状富集。

Ludwigite, suanite, szaibelyite, magnetite and hematite are made artificially. Their forming condition, strength and reducibility are studied.

用人工方法合成硼镁铁矿、遂安石、硼镁石、赤铁矿、磁铁矿，以研究它们的形成条件、强度和还原性。

The result shows that the ferrospheres are mainly composed of hematite and magnetite,with a small amount of maghemite and magnesioferrite.

结果表明：磁珠中含铁矿物主要有赤铁矿、磁铁矿、磁赤铁矿和镁铁矿。

Surfaces of mineral grains investigated by the SEM method demonstrate differences in flocculation. Measured polarization curves allowed to reveal unequal electrochemical processes on surfaces of magnetite, hematite, and martite particles. Xray analysis and Mssbauer data also confirmed the changes in compositions of the ores before and after applying of the electrochemical method.

采用扫描电镜技术研究矿物颗粒表面，发现其在絮化作用中的差异；偏极化曲线的测定可以揭示磁铁矿、赤铁矿和假象赤铁矿等矿物表面的不均等电化学过程； X射线分析和穆斯堡尔谱数据亦可确定电化学处理前后矿粉样品成分的变化。

The magnetic ore separator is suitable for granularity material and so on 3mm following magnetite, pyrrhotite, roasting ore, ilmenite wet magnetic dressings, also uses in materials and so on coal, nonmetalliferous ore, building materials eliminates the hard work.

磁选机适用于粒度3mm以下的磁铁矿、磁黄铁矿、焙烧矿、钛铁矿等物料的湿式磁选，也用于煤、非金属矿、建材等物料的除铁作业。

A petrographic analysis combined with electron microprobe analysis and SEM shows that black opaque matters, whose composition is mostly of microcrystalline silicate and magnetite, are widely found running reticulately through mineral particles, crystals and cleavage cracks in association with metasomatic alteration in the mafic-ultramafic xenoliths and their host rocks.

经岩相学和电子探针及扫描电镜分析发现，伴随交代蚀变，寄主岩和各类镁铁-超镁铁质包体岩石中，普遍发育沿粒间和矿物晶体裂隙或解理纹贯入或穿插的黑色不透明物质，主要由微晶硅酸盐矿物和磁铁矿组成。

This class of deposits is characterized by the abundance of iron oxide in the ores and the associated intensive regional sodic alteration. They may occur in Proterozoic intracraton or Phanerozoic continental margin volcanic arcs with nearby intrusive complex or evaporite. The spatially and temporally associated intrusive rocks are magnetite-series granitoids. Mineralization mainly occurs in second order echelon structures near the main regional structure.

该类矿床以矿石中含有大量的铁氧化物且伴有很强的区域性钠质蚀变为特征，可以产于元古代克拉通内或新生代大陆边缘岛弧环境，其周围具火成岩或含蒸发盐层，时空上与之有关的侵入岩为磁铁矿系列花岗岩，矿化主要产于近区域主断裂的羽状次级断裂中。

The experimental study of foaming phenomenon of titaniferous slag during V-Ti-bearing magnetite smelting was conducted using different additions.

从配加添加剂的角度研究全钒钛矿冶炼时，含钛高炉渣的起泡现象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。