a new technology for preparation of copper sulfate using leaching solution of low grade copper ore

1、

resent developments in recovery of copper from low-grade copper ore with microorganism

微生物浸矿技术在处理低品位铜矿中的应用现状

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2、

preparation of copper sulfate solution using leaching solution of low grade copper ore

用低品位铜矿石浸出液制备硫酸铜溶液

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3、

underground leaching technology and industrial test of difficult mining and refractory low-grade copper ores in tongkuangyu

铜矿峪难采难选低品位氧化铜矿地下溶浸技术及工业化试验

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4、

investigation on improving fragment of low-grade copper-nickel deposits for stope leaching of broken ore

改善原地溶浸工艺中矿石破碎质量的力学机理

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5、

study on technique of microwave extraction for producing copper sulfate from leaching solution of low grade copper ores

微波萃取从低品位铜矿浸出液制备硫酸铜的新工艺研究

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6、

a study of copper sulfate preparation from low-grade copper oxide mineral

低品位氧化铜矿制备硫酸铜研究

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7、

test research on biological leaching for a low grade copper and nickel sulphide ore in yunnan

云南某低品位硫化铜镍矿细菌浸出试验研究

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8、

commentary on development of direct extraction technology used for leaching of low-grade copper resources

低品位铜矿资源湿法浸出直接提取技术发展述评

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9、

high concentration copper sulfate solution was prepared by solvent extraction using leaching solution of low grade copper ore.

采用溶剂萃取法将低品位铜矿浸出液转化成高浓度硫酸铜溶液。

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10、

acting time adaptive correcting technology of rocket ammunition fuze

火箭弹引信作用时间自适应修正技术

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11、

the technology is of great importance to improve hitting probability of rocket ammunition.

该技术对于提高火箭弹的命中概率具有重要意义。

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12、

study on the genotype-environment interaction effect of three cocoon characters in silkworm, bombyx mori

家蚕茧质性状基因型—环境互作效应的研究

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13、

"white color with big black spots" was detected with the most obvious genotype-environment interaction.

“粉花”彩鲤与环境的互作效应最大。

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14、

this paper sets out to explore the listed companies in china using impairment of assets for earnings management from 1999 to 2002. by comparisons, we find that the money-losing companies tend to increase more impairment of assets than other companies.

本文通过对1999￣2002年度亏损上市公司计提资产减值政策的对比，发现亏损公司在亏损当年计提减值的数额要显著大于未亏损公司；

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15、

in february, sony bought out its joint-venture partner, sweden's telefon ab l.m. ericsson, giving the japanese company full control over its money-losing smartphone business.

今年2月，索尼从瑞典爱立信公司（Telefon AB L.M.Ericsson）手中收购了合资公司的全部股权，对处于亏损状态的智能手机业务有了绝对的控制权。

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16、

he says:" there's been a slight slowdown in the past months, but not enough to make this a money-losing venture. ""

他表示：“过去数月（我们的业务）略有放缓，但并不至于造成业务亏损。”

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17、

he says: there's been a slight slowdown in the past months, but not enough to make this a money-losing venture. ''

他表示：过去数月（我们的业务）略有放缓，但并不至于造成业务亏损。

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18、

mr. yang said this week that the company expects its money-losing smartphone business in china to become profitable in two to three quarters.

杨元庆最近表示，该公司预计其在中国的智能手机业务将在两到三个季度之后扭亏为盈。

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19、

it sold this money-losing division systematically evolved itself to become, once again, a respected technology competitor.

在把亏损的PC业务板块整体出售后，IBM又焕发生机，成为业界受人尊敬的技术竞争对手。

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20、

bring the majority of money-losing firms into the black key enterprises have made great progress in making up deficits and getting surpluses.

使大多数亏损企业扭亏为盈重点企业扭亏增盈有较大进展。

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