It is known to all that arsenic ( As) is one of the most harmful agricultural pollutants.

Analysis on valence state of arsenic ( as) in surface waters with atomic florescence

原子荧光法分析地表水中砷的价态

Characteristics of Indoor and Outdoor Air Arsenic Content as Influenced by Combustion of High Arsenic Coal

高砷煤燃烧影响下室内外空气砷含量特征

Use of Arsenic Smoke as the Fining Agent of Glass

含砷烟尘作玻璃澄清剂的应用研究

Analysis on chemical form and content change of arsenic ( As) in contaminated soil

被污染土壤砷的化学形态与含量变化分析研究

The influence of arsenic ( as) on the physical properties of carbon steel

砷对碳钢性能的影响

The fertile soils fanning out across the Mississippi River floodplain are up to five times as high in arsenic as other parts of Louisiana, Mississippi and Arkansas, according to studies done by the United States Geological Survey.

据美国地质调查局（United States Geological Survey）的研究，密西西比河泛滥平原冲刷的肥沃土壤，其砷含量可高达路易斯安那、密西西比和阿肯色州其他地区的五倍。

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.

世界卫生组织以及国际癌症研究机构都将砷列为人类的致癌剂，在USEPA列表中砷也被认为是1号毒素。

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。

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。

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。

Residue of Arsenical Fungicide in Apple Trees

福美胂在苹果树上的残留

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。

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

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）

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

Treatment of Arsenical Sludge Solidification

含砷污泥的固化处理

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

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

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。

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。