Content of heavy metals lead ( Pb) and arsenic ( As) in cigarette flavors were determined by atomic absorption spectrometry ( AAS) with wet digestion.

A continuous extraction method was adopted to analyze the chemical forms of arsenic ( As) in soil, and the content change of As with different forms were compared when the additives were added.

采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。

Arsenic ( As) is a non-essential element for plant growth, with toxic, carcinogenic and mutagenic properties. Arsenic pollution problem has received close attention from the public.

砷是一种植物生长的非必需元素，具有剧毒、致畸和致突变效应，砷污染问题一直为人们所关注。

The measurement by wave-oscillopolarography of the hair arsenic ( As) concentration of290 healthy subjects in the Chengdu area is reported in this article.

本文报道了使用示波极谱法测定成都地区290例正常人发砷含量的结果。

There are now plans to spend US$ 500 million on360 tube wells equipped with facilities to remove arsenic, as well as five surface water treatment plants.

如今，有计划准备投入5亿美元为360口管井装备砷净化设备，而且还要建立5个地表水处理厂。

Arsenic ( As) accumulation and volatilization by microorganism decreasing environmental risk of As in soil has been recognized as an economically efficient remediation method without secondary pollution.

利用微生物对砷（As）的累积与挥发来降低土壤中砷的环境风险已被认为是一种经济、有效且无二次污染的修复措施。

The studies on environmental cadmium ( Cd), lead ( Pb), arsenic ( As) pollution and health impact on exposure population in China were reviewed in the present paper.

该文对我国环境有色金属镉、铅、砷污染及其对暴露人群健康影响的流行病学研究进展进行了综述。研究认为有色金属镉、铅、砷对人体有毒害作用；

Both arsenic ( As) and Sb belong to the same main group, and they are usually associated exist to form a As-Sb combined pollution.

砷与锑属于同一主族且经常伴生存在，因此经常会形成砷锑复合污染。

So the study was supposed to provide experimental foundation that arsenic trioxide as a radiosensitizer could be used for the therapeutic alliance of gastric cancer.

通过此实验，从而为As2O3作为放射增敏剂运用于胃癌的联合治疗提供实验依据。

Elevated levels of arsenic ( As) in groundwater has caused worldwide attention due to the risk of As toxicity from drinking water sources.

地下水饮用水源中高含量的砷（As）的毒性已经引起全球范围关注。

Purpose: To attain the discharge standard of Arsenic ( As)-containing industrial waste water, reduce the damage it made to environment.

目的为使含砷工业废水达标排放，消除含砷工业废水对环境的危害。

Based on arsenic sport as its strategic goal, we aim at the gradual development of arsenic sport combined with mass sport.

以竞技体育为主的战略目标，逐步发展为竞技体育和群众体育兼顾发展。

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

砷是忆知的危害最严重的农田污染物之一。

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。