查询词典 hematite

It is shown that the formation process of iron carbide converted from hematite using H〓-CH〓 mixtures consists of several steps: reduction of iron ore, cracking of methane, and carburization of metallic iron.

试验发现赤铁矿与H〓-CH〓气反应制备碳化铁的过程是分步完成的，第一步是赤铁矿的还原，第二步是甲烷的裂解，然后是金属铁的碳化。

The results show that:(1) there are effects of magnetic treatment on mineral flotation. Using oleic acid as collecting agent, magnetic treatment makes hematite productivity raise, and quartz productivity drop.

此外，利用磁化处理来改变水的性质进而改善浮选效果，有助于了解液相性质的变化对矿物可浮性的影响，从而更深刻更全面地认识和掌握浮选过程的基本规律。

It is shown that the main minerals in the slag are quartz, gypsum, mullite and hematite; an obvious characteristic apex of gypsum appears in the DSC curve when dehydrating but the apex is low total amount of SiO2, SO3, Al2O3, CaO and Fe2O3 is above 80%; there are several kinds of sulphates, not only calcium sulphate but also other sulphates with high solubility.

结果表明，电解锰渣中的主要结晶矿物为石英、二水石膏、莫来石及赤铁矿，电解锰渣有比较明显的石膏受热脱水峰，但峰值小；电解锰渣中SiO2、SO3、Al2O3、CaO和Fe2O3的总量占80%以上；电解锰渣中硫酸盐有二水石膏，也有含量较高的大溶解度硫酸盐。

As Opportunity came to the bottom of Endurance crater, it found these dune crests in false-color, seeing a blue tint from hematite-containing spherules ("blueberries") that accumulate on flat surfaces.

当机遇号来到火星火星耐性弹坑。他发现这些沙丘顶部遍布著火星蓝莓。

The obvious differences of colors and components exist between the oolith lamellar shells composed of hematite and those composed of kaolinite.

鲕粒同心纹层由赤铁矿及高岭石组成，存在着明显的颜色、成分差别。

Vibrant pierced earrings with the motif of a streak of lightning in Jet Hematite, Montana and clear crystal pavé.

充满活力的钻孔耳环闪电状满镶蒙大拿和透明水晶。

Because there are incompletely cleavages in Jidong magnetite concentrate grain, and octahedron crack exists in magnetite crystal, oxidation develops along octahedron crack or cleavage seam, strip oxidation or reticulation texture is formed, and then magnetite is oxidized to hematite completely.

由于冀东磁铁矿自身的特点，氧首先吸附在颗粒表面的解理缝周围，并与解理缝周围的磁铁矿反应形成针状或片状赤铁矿；然后氧化过程沿磁铁矿的八面体或解理缝继续发展，形成条状或网状结构的赤铁矿，最终完全氧化。

The ore sample analysis of a Yunnan iron concentrator shows that the sample mainly contains hematite and specularite and its iron minerals are fine disseminated.

针对这种情况，更好利用国内的现有资源，对有效抑制铁矿石价格的上涨，推进我国国民经济持续、健康、协调发展，显得十分重要。

On the other hand, the higher contents of hematite would not necessarily make the rocks red-colored, due to the suppression by other pigments, such as organic matter in black or ferrous iron of chlorite in green.

总体而言，浅红色岩层含有最高的总铁含量和赤铁矿铁，灰色岩层则以顺磁性的亚铁为主，暗色和绿色岩石仅含有顺磁性的二价铁或者与相对丰度较低的三价铁共存。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了