罗森，朱和其他的同事还利用传统的育种技术选择培育少砷的种苗。
Rosen, Zhu, and colleagues are also using conventional breeding techniques to select for cultivars that accumulate little arsenic.
他们利用生物砖组件改变大肠杆菌使其在遇到砷的时候发出警告信号。
E. coli bacteria were modified using BioBrick components to produce a warning signal in the presence of arsenic.
绿色和平环境组织表示，采集到的样本已表明这些地区的水域有铅、铬、砷的存在了。
Environmental group Greenpeace said it had taken samples which showed the presence of lead, chrome and arsenic in water in the area.
对人体的伤害：世界卫生组织已经将太阳床的致癌性列入和吸烟、石棉、砷的同样等级。
Pic.1 Damage: The World Health Organisation has classified that sunbeds are as carcinogenic as smoking, asbestos and arsenic.
甚至让笔者感到遗憾的是含砷的浓绿色和粉状硫化汞制成的火焰般红色的朱砂从颜料盒中消失了。
The author even regrets the removal from the paintbox of rich greens based on arsenic and flame-red vermilion formed from powdered mercuric sulphide.
但是调查确实发现，当地井水中砷的含量增加，而且绿色和平警告说，当积雪消融以后，粉尘污染也许会带来难题。
But the survey did find excessive arsenic content in local Wells, and Greenpeace warns that fine dust pollution might become a problem when the snow has gone.
为了防止被污染，孟加拉盆地的水井钻入了在上一个冰河时期被氧化的深层地层中，这一层的水是不含砷的，伯格说。
To avoid contamination, Wells in the Bengal Basin can be drilled into deep layers that were oxidized during the last ice age, in which the water is free of arsenic, Berg says.
在加州一处湖泊深处生活的一种奇怪的细菌可以免疫砷的毒性，甚至可以将这种元素吸收进DNA和细胞膜中从而生长。
Strange bacteria living deep in a California lake can survive on arsenic and can even grow by incorporating the element into its DNA and cell membranes.
他们的成就包括人造血液，一种探测砷的生物传感器，以及能够在培养皿中像“有生命的计算机”那样解开数学难题的细菌。
Their accomplishments include artificial blood, a biological sensor to detect arsenic and bacteria that can act as "living computers" to solve mathematical problems in lab dishes.
在后来发表在《国际天体生物学杂志》上的文章中，她和艾莉尔·安巴尔及保罗·戴维斯(二人均来自亚利桑那州立大学)推测可能存在喜欢砷的生命形式。
In a subsequent paper in the International Journal of Astrobiology, she and Ariel Anbar and Paul Davies, both of Arizona State University, predicted the existence of arsenic-loving life forms.
德克萨斯州A&M大学所在地的农作物科学家理查德Loeppert说“水稻中的砷含量确实需要降低，但水稻中含砷的问题不会即时对人产生危害。”
Although there's "a definite need to reduce arsenic levels in rice, " says Richard Loeppert, a crop scientist at Texas A&M University in College Station, "it's not an immediate hazard."
因为砷和磷有一些相同的化学特性，研究人员早有预感有这种细菌存在。
The researchers had a hunch a bug like this might exist, because arsenic has some chemical properties in common with phosphorus.
另一方面，如果摄取大量的无机砷则有可能致死。
Inorganic arsenic, on the other hand, can prove deadly if ingested in large quantities.
然后他们从细菌中提取出dna，利用高解析二次离子质谱技术分析了其中的化学组成，发现DNA中也含有砷。
They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.
就像今天的煤灰一样，这些颗粒中可能也含有一些有毒金属，如铬和砷。
And like coal ash produced today, the particles would have been loaded with toxic metals such as chromium and arsenic.
吸烟之所以危害健康是因为烟草中含有多种损害健康的化学物质，包括60来种致癌物质、烟碱、砷、一氧化碳和尼古丁。
Tobacco smoke is hazardous because it contains a number of unhealthy chemicals, including some 60 carcinogens (cancer-causing agents), tar, arsenic, carbon monoxide and nicotine.
例如，人们以前认为铟的原子质量介于砷和硒之间。
Indium, for example, had previously been assigned an atomic mass between those of arsenic and selenium.
恒河三角洲的地下沉积物中含有砷。
The underground sediment of the Ganges Delta contains arsenic.
最近发现的一种细菌可以用砷替代磷作为生命组成的基本元素。
A bacterium has been discovered that can substitute arsenic for phosphorus in fundamental life chemistry. Christopher Intagliata reports.
这表明在19世纪初，当时生活环境中含有如今会被认为是非常危险的高含量的砷。
At the beginning of the 19th century, that finding suggests, arsenic was present in the environment in quantities that are currently considered very dangerous.
最近发现的一种细菌可以用砷替代磷作为生命组成的基本元素。
A bacterium has been discovered that can substitute arsenic for phosphorus in fundamental life chemistry.
也有证据显示，地下水位正在下降，逼迫农民们使用更低质量的水，这样的水含砷量较高。
There is also evidence that the water table is declining, forcing farmers to use poorer quality water containing high levels of arsenic.
这意味着纳米通道也可以检测饮用水中的其他如砷、汞的杂质。
This means the nanochannels could also detect impurities, such as arsenic or mercury, in drinking water.
食品药监局并未为许多自牛肉中发现的药物、农药和重金属元素设立“容忍标准”——包括铜元素和砷元素在内，这些添加物可以促进牛只生长及杀灭某种寄生虫。
FDA has not set a "tolerance level" for many of the drugs, pesticides and heavy metals found in beef, including copper and arsenic, which can promote growth and inhibit certain parasites.
食品药监局并未为许多自牛肉中发现的药物、农药和重金属元素设立“容忍标准”——包括铜元素和砷元素在内，这些添加物可以促进牛只生长及杀灭某种寄生虫。
FDA has not set a "tolerance level" for many of the drugs, pesticides and heavy metals found in beef, including copper and arsenic, which can promote growth and inhibit certain parasites.
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