查询词典 hematite

It is found that mineral composition of the dust is composed of quartz, albite, gypsum, calcite, hematite, muscovite, illite and amorphous material.

用场发射扫描电子显微镜及能谱仪和X射线衍射仪，对淄博市中心城区大气降尘的矿物组成、微形貌和微区成分进行了分析。

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Higher anhydrite and hematite content and lower portlandite content would result in lower ash fusion temperature.

一般情况下，煤灰中氢氧钙石含量低，硬石膏和赤铁矿含量高的煤，灰熔融温度较低。

As the temperature increases, content of quartz, anhydrite, and hematite in coal ash decrease in reducing conditions and some new mineral phases are formed during heating process. The content of mullite formed in the heating process is the mayor reason of high melting temperature of the ash. Anorthite at high temperature lowers the ash fusion temperature.

随着温度的升高，煤灰中石英、硬石膏、赤铁矿等结晶矿物含量逐渐减少，生成新的矿物质，莫来石的生成是导致淮南煤灰熔点高的主要原因，钙长石起到降低灰熔点的作用。

The second one exists in crystal lattice of pyrite, arsenopyrite and hematite.

裂隙金 产于石英、赤铁矿和黄铜矿等矿物裂隙之中；c。

Four typical pigments,hematite,malachite,red lead and cerussite have been studied by changing environmental humidity and illuminating with or without ultraviolet ray.

选择了土红、孔雀石绿、白铅矿和铅丹4 种在古代彩绘中有代表性的颜料，通过改变环境湿度有无紫外光照射，考察了它们的变化情况。

A variety of chert containing magnetite and hematite; mined as a low-grade iron ore.

一种含磁铁矿和赤铁矿的燧石，作为一种低等的铁矿石被开采。

What is more, the distributing characteristics that the hematite being dip-dye shape commonly surrounds the well hematite crystal, cause the red sports in the peach blossom stone from Gao Mountain different shade and size.

呈浸染状的赤铁矿多围绕晶形完好的赤铁矿分布，该分布特征决定了高山桃花石中的红色斑点有大有小，有深有浅。

Based on a brief analysis of the genesis of hematite, the authors hold that hematite in red granite was mostly produced under the condition of high oxygen fu gacity.

本文对赤铁矿的成因作了简要分析，认为红色花岗岩中的赤铁矿大多为高氧逸度条件下的产物。

Above the glacial layers sits a red sandstone containing hematite—a mineral that forms only under oxygen-rich skies. Hematite has also been found at the landing site of the Mars rover Opportunity.

覆盖于冰期地层上方的砂岩，则含有只在含氧丰富的环境中才会形成的赤铁矿（火星巡迴者机会号探测车的著陆点亦发现赤铁矿的存在，然因颗粒较粗，故呈灰色。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。