1、

not until the 16th century did the english discover a large deposit of pure graphite, then called plumbago (latin for "lead ore" ).

直到16世纪,英国人才发现大量纯石墨矿藏,当时称为「黑铅」。

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2、

Clinker, Cement, Minerals , Lead Ore, Zinc Ore Minerals and Refractories.

采购产品熔结块, 水泥, 领引矿石, 锌矿石,矿物和耐火材料.

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3、

a test for conveying finished lead ore pulp by rubber-plastic-metal composite pipeline

用橡塑金属复合管输送铅精矿浆的试验

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4、

That is an unsettled question so far! The 35 bronzes of Shang Dynasty and 22 copper and lead ore samples of Shang-Zhou Period, Spring and Autumn Period and the present time have been investigated by the trace techniques of lead isotopes.

该文采用了铅同位素示踪技术,测定了35件赣鄂豫地区商代青铜器和22个商周、春秋及现代的铜铅矿料样品。

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5、

mineral resources are mainly tungsten ore, lead ore, zinc, and clay mineral-based.

矿产资源主要以钨矿 、 铅矿 、 锌矿和瓷土矿为主.

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6、

The ore lead in the deposits mainly came from the upper crust.

矿床的矿石铅主要来自上地壳。

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7、

The lead and sulfur isotope analysis suggests that the tremendous thick and stringer ore bodies may be formed by fluid of different geologic periods.

铅和硫同位素都揭示了层状(块状)和脉状矿体可能来自不同时期的成矿流体。

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8、

The extraction of radium from uranium ore concentrates using lead as the carrier

用铅为载体从铀精矿中提取镭

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9、

Red mud as an byproduct during the processing of bauxite ore is used for the adsorption of lead in aqueous solution with different influence such as contact time, content of red mud and lead ion original in solution and temperature.

研究了赤泥对水体中铅离子的吸附作用及赤泥的掺加量、吸附反应时间、溶液中Pb2+初始浓度、温度等因素对吸附作用的影响。

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10、

Application of quadrangular method sampling to the gold and lead zinc polymetallic ore deposits

方格法采样在金矿床和铅锌多金属矿床中的应用

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11、

On Lead Extraction Out of a Slimy Lead-Zinc Ore

从某泥化铅锌矿石中提取铅的试验研究

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12、

Investigations of Preparating Lead-sulfate and Mangano-manganic-oxide from Galena Concentrate and Pyrolusit; Dressing Practice of-0.5 mm Manganese Ore

从方铅矿精矿和软锰矿直接制备硫酸铅和四氧化三锰材料的研究-0.5mm锰矿选矿研究与生产实践

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13、

the lead and sulfur isotopic tracing of the source of ore-forming material in jinshan gold deposit in jiangxi province

江西金山金矿床成矿物质来源的铅和硫同位素示踪

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14、

Below the main ore layers of the South China type massive sulphide deposits there frequently occur discordant ore bodies formed by fissure filling, hydrothermal metasomatism and brecciation. The ores fall into the copper-sulphur type and lead-zinc type.

华南型块状硫化物矿床层状矿体下盘往往存在着裂隙充填、热液交代和角砾岩矿化形成的不整合矿体,其矿石成分主要有铜-硫和铅-锌两种类型。

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15、

The work has researched in adsorption and desorption of iodine and technetium on brass ore, lead glance, rare-earth hematite, antimony glance, molybdenite and iron pyrites and so on.

本工作研究了黄铜矿,方铅矿、稀土赤铁矿,辉锑矿,辉钼矿,黄铁矿等六种矿物对碘和锝的吸附和解吸。

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16、

industry: wire mesh; scrap metal; non-ferrous metal plate; iron ore; lead and lead ingots; non-ferrous metal wires; scrap iron, scrap;

所属行业:金属丝网;废金属;有色金属板材;铁矿;铅及铅锭;有色金属线材;废铁、废钢;;

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17、

The Depression and the Action Principle of Combined Depressor to Ferric and Lead Sulphide Ore under the Condition of Low Basicity

低碱度下组合抑制剂对铅铁硫化矿的抑制性能及作用机理

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18、

Although underground resources in Dongpo ore field are very abundance, the lead-zinc metal quantity is much short for further mining.

湖南东坡矿田内矿产资源丰富,但已探明的铅锌资源严重危机。

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19、

the experiment and research about how to use lead zine ore to produce lead borate frit

利用铅锌矿焙砂生产铅硼熔块的实验研究

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20、

The dressing of oxidized ore of zinc and lead in Lanping has been a tickler for a long time.

兰坪氧化铅锌矿的选矿长久以来是选矿界的难题。

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