World Health Organization and International Agency for Research on Cancer has classified arsenic as a carcinogen, arsenic has been regard as the most toxic substance by the USEPA as well.

1、

Arsenic as the toxic contaminants of the environment especially high levels of arsenic in water has been a worldwide problem.

砷作为毒性较大的环境污染物，特别是饮用水中砷含量超标已成为世界性的问题。

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2、

Yeah, so we can rule out arsenic as a cause of death.

对，所以我们可以排除，砷不是死亡原因。

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3、

Arsenic as a metalloid highly toxic substance widely exist in water.

砷是一种类金属剧毒物质，广泛存在与水体中。

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4、

Residue of Arsenical Fungicide in Apple Trees

福美胂在苹果树上的残留

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5、

It has been a knotty problem to extract Au from arsenical polymetallic sulfides.

从含砷的多金属硫化矿中提金，一向棘手。

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6、

Single Standard Flow Injection Analysis& Determination of Copper, Lead, Zinc in Arsenical Pyrite by Gradient Calibration-Atomic Absorption Spectrometry

单标程流动注射分析的研究&梯度校正原子吸收法测定砷铁矿中铜、铅、锌

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7、

Study on the extraction of gold from refractory arsenical gold ore with the ammoniacal catalytic oxidation-cyanidation process(ⅱ)

氨性催化氧化-氰化法处理含砷难浸金矿的研究（Ⅱ）

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8、

A Case of Arsenical Keratosis and Multiple Bowen's Disease Caused by Long-term Taking of Cysticercosis Pill

长期服用囊虫丸致砷角化症和多发鲍温病1例

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9、

Treatment of Arsenical Sludge Solidification

含砷污泥的固化处理

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10、

Therapeutic effect of tretinoin compound ointment in arsenical keratosis

复方维甲酸软膏封包治疗砷剂角化病近期疗效观察

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11、

Study on the roasting process for gold-bearing arsenical pyrite concentrate of Kang-Jia-Wan Mine

康家湾含砷金硫精矿焙烧过程的研究

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12、

It will bring the arsenical chronic poisoning if that the content of arsenic in the drinking water is too high.

饮用水中砷含量过高会引起慢性砷中毒。

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13、

Nitrate process is a new technology to pretreat refractory arsenical ores, and has made considerable progress in the process development.

硝化法预处理含砷难冶金矿石是一种新工艺，并在过程开发方面取得重要进展。

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14、

Application of Arsenical Antimonates in Purification of Copper Electrolytic Solutions

砷锑酸盐在铜电解液净化中的应用C（60）羟基化合物的纯化

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15、

P53 Bcl-2 and PCNA expression in arsenical keratosis skin tissue

砷角化皮损中P53蛋白、Bcl-2蛋白及PCNA的表达

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16、

Study on technological mineralogy of high arsenical gold ores of Fengcheng County, Liaoning Province

辽宁省凤城市高砷金矿矿石工艺矿物学研究

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17、

Pretreatment of arsenical refractory gold concentrate(ⅱ) roasting by addition of lime

含砷难处理金矿预处理研究&（Ⅱ）加石灰焙烧法

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18、

Pretreatment of arsenical refractory gold ore by pressurized oxidation with lime slurry

石灰湿法加压氧化预处理含砷金矿的研究

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19、

Operation practice of preliminary biooxidation of refractory arsenical gold concentrate

难浸含砷金精矿生物预氧化生产实践

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20、

The pretreatment of arsenical refractory floatation gold concentrate was studied.

研究了含砷难浸浮选金精矿的预处理。

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