Potential fossils are relatively rare in the final deposits of normal quartz - sand beaches.

在正常的石英质海滩的最终沉积物中隐匿的化石还是比较少的.

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Quartz sand by mineral seperation middle magnetic field is a high quality material of making glass.

经中磁选矿,石英砂可达到优质玻璃原料要求.

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The influence of quartz sand quality on mattes production in flash smelting is analyzed.

分析了闪速冶炼中石英砂品质对冰铜生产的影响,以探求取得更好经济效益的途径.

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Mineral deposits in the territory of quartz sand, limestone, stone Ferrosilicon , mainly clay.

境内矿藏以石英砂 、 石灰石 、 硅铁石 、 白土为主.

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The wide distribution of granite and quartz sand, clay construction materials is an important resource.

广泛分布的花岗岩及石英砂 、 粘土是重要的建筑原料资源.

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Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment.

石英砂 、 活性碳 、 过滤除铁除锰 、 除氧 、 除氟设备.

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Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.

比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果.

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I plant the exploitation of fine quality quartz sand, the color white, working fine.

我厂开采的石英沙质量优良, 色泽洁白, 做工精细.

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The main kinds of rocks include carbonate rocks , tuffite, siliceous rocks and quartz sand - stone.

主要岩石类型包括碳酸盐岩、沈积凝灰岩 、 矽质岩和石英砂岩.

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The main mineral resources have a crystal, iron, tungsten, tin, manganese, potassium feldspar, quartz sand quality.

主要矿产资源有水晶 、 铁 、 钨 、 锡 、 锰 、 钾长石 、 优质石英砂.

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There are major deposits of coal, clay, clay crucible, limestone, quartz sand and so on.

主要矿藏有煤炭 、 陶土 、 坩泥 、 石灰石 、 石英砂等.

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With quartz sand, limestone, dolomite, glass as the main raw materials, including glass, approximately 90 %.

以石英砂 、 石灰石 、 白云石, 玻璃等为主要原料, 其中玻璃约占90%以上.

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It is decided that the quartz sand be used as the propping agent.

确定了用石英砂作为煤层压裂的支撑剂.

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