红尖晶石

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The photocatalytic degradation property of ZnM2O4 (M=Cr, Mn, Fe) nanoparticles was investigated by using methyl orange, acid red B and reactive red K-2G as model pollutants under the irradiation of a mercury-vapor lamp (λ＞400 nm) or sunlight. The degradation rates of the above three dyes by ZnM2O4(M=Cr, Mn, Fe) are over 80％, 57％ and 39％, respectively within 2 h. It is found that ZnM2O4 (M=Cr, Mn, Fe)has a novel photocatalytic behavior for dyes under visible light irradiation.

在高压汞灯(λ＞400 nm)和太阳光照射下，纳米ZnM2O4粉体对甲基橙、酸性红B、活性艳红K-2G等有机模拟降解液的2h脱色降解率分别达到80﹪，57﹪和39﹪以上，表明锌尖晶石ZnM2O4光催化剂具有良好的可见光催化活性，并随禁带宽度Eg的减小，催化活性增加。

A purple variety of the ruby spinel.

一种紫色的红尖晶石。

Since chemical composition and other characteristics are similar, it is quite diffictl to identify spinel from ruby and sapphires with unaided eye, which is the main reason that both gemstones have been confused long time.

尖晶石的呈色机理与红蓝宝石大体相同，化学成分和其他性质也很相似，靠肉眼来识别是不可能的，因此几世纪以来，二者一直混淆不清。不过，没有像黄色蓝宝石那样颜色的黄色尖晶石，因为使黄色蓝宝石至色的铁离子使尖晶石呈浅蓝或蓝绿色。

A rose - red to orange spinel used as a semiprecious gem,once conf used with the ruby.

玫红尖晶石一种用作半宝石的玫瑰红到橙红色的晶石，以前曾被混淆为红宝石

A rose - red to orange spinel used as a semiprecious gem,once confused with the ruby.

玫红尖晶石一种用作半宝石的玫瑰红到橙红色的晶石，以前曾被混淆为红宝石

Our main product include cubic zirconia, synthetic ruby, synthetic sapphire, synthetic spinel, glass diamond, glass, jewel bearings, etc. At the same time, we produce and process natural gems like peridot, garnet, white topaz, rock crystal, amethyst, citrine, coral, tourmaline, etc.

主要生产加工石榴石、白黄玉、紫晶、黄晶、茶晶、电气石、橄榄石、蓝宝石、红宝石、珊瑚等天然宝石；同时，还生产加工立方氧化锆、红刚玉、蓝刚玉、尖晶石、玻璃水钻、及稀土玻璃等人造宝石产品。

Our main product include cubic zirconia, synthetic ruby, synthetic sapphire, synthetic spinel, glass diamond, glass, jewel bearings, etc. At the same time, we produce and process natural gems like peridot, garnet, white topaz, rock crystal, amethyst, citrine, coral, tourmaline, etc.

主要生产加工蓝宝石、红宝石、石榴石、白黄玉、紫晶、黄晶、茶晶、电气石、橄榄石、蓝宝石、红宝石、珊瑚等天然宝石；同时，还生产加工立方氧化锆、红刚玉、蓝刚玉、尖晶石、玻璃水钻、及稀土玻璃等人造宝石产品。

Among spinel group minerals, only magnesium spinel is found as transparent gem crystals with various colors, mostly in crystalized calcite-marble metamorphosed rocks and its alluvial deposits of Burma, Srilanka, Afghanistan, Vietnam and in Tazania.

尖晶石产生于岩浆岩和接触变质岩中，宝石级的尖晶石大多和红蓝宝石一起产自大理岩中。

Have red, raw materials and finished sapphire, white topaz, red spinel, emerald, garnet Chui, fluorite series, agate series, turquoise, malachite, crystal series.

销售的产品有红、蓝宝石原料及成品，白黄玉、红尖晶石、祖母绿、翠榴石，萤石系列、玛瑙系列、松石、孔雀石、水晶系列等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。