It is derived from arsenic and has many undesirable side effects.
该药由砷衍生，有多种不良副作用。
Of the patients suffering from arsenic-fluoride poisoning, the incidence of dental caries and periodontal is higher while the morbidity of mot...
砷氟联合中毒患者中龋齿和牙周病的患病率较高，而氟牙症的患病率较低。
Of the patients suffering from arsenic-fluoride poisoning, the incidence of dental caries and periodontal is higher while the morbidity of mottled enamel is lower.
砷氟联合中毒患者中龋齿和牙周病的患病率较高，而氟牙症的患病率较低。
Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
砷和铅也是天然形成的金属元素，在工业上从制造杀虫剂到应用于电子工业，它们有着多种用途。
Coal ash is known to contain dangerous elements including arsenic, lead, and selenium, yet the TVA refused at first to issue any health warnings about contamination from the spill.
煤灰渣含有多种危险物质，包括砷、铅、硒等，然而田纳西流域管理局起先矢口否认煤灰渣中含有对健康有害的物质。
Alumni from last year's winning entry are collaborating with team members from the University of Edinburgh to combine the bio-sensor with an arsenic detector.
从去年的得奖校友与来自英国爱丁堡大学的研究小组成员在生物探测器中加入砷探测器。
A third approach — growing paddy rice aerobically in raised beds — reduces the mobilization of soil arsenite and "can dramatically decrease arsenic transfer from soil to grain," McGrath says.
第三个方法是在培育床上供氧种植水稻，麦格拉思认为，这可以减少动员土壤中的砷，而且“可以大大减少土壤中的砷转移至粮食的量。”
From the survey data, Berg's team created the first three-dimensional groundwater map, using statistical modelling to show levels that are relatively arsenic-free.
从调查数据中，研究团队制成了第一张三维地下水地图，用统计模拟的方式显示了与不含砷相关的水平。
The author even regrets the removal from the paintbox of rich greens based on arsenic and flame-red vermilion formed from powdered mercuric sulphide.
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。
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.
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。
And just last month, we set another first: the first national standards for mercury, arsenic and other air pollution from our nation's power plants.
而且就在上个月，我们确立了另一个第一：针对我们国家发电厂排放的汞、砷、和其他空气污染的第一个全国标准。
Arsenic levels are lower in rice from certain regions, including California and parts of India; rice from these sources could be blended with higher arsenic rice before sale.
加州和印度部分地区砷含量较低的大米在出售之前可以和一些砷含量高的大米混合再出售。
Arsenic poisoning from drinking water has become a serious human health threat throughout the Indian subcontinent and a bio-sensor may serve as a low-cost early-warning system.
由于饮用水砷中毒已成为危害整个印度次大陆的严重问题，生物传感器作为一种低成本的早期预警系统可以检测可能对人类健康构成威胁的饮用水。
That question arises from three sets of findings — including data now in press — that report elevated arsenic levels in rice and products such as rice bran and rice crackers.
这个问题起源于三大系列的发现，包括即将(以论文形式在学术期刊上)发表的数据，即水稻和水稻产品(如米糠和大米饼干)中砷含量提高在内的消息。
Arsenic remained king of bug killers from medieval times up to the mid-1900s, when science found something more effective.
中古时期至20世纪中期，在科学家们找到更有效的方法之前，砷一直是杀死臭虫的王牌。
Arsenic is separated from the bismuth matrix by ion exchange method and determined by hydride generation atomic absorption spectrophotometry.
该方法用离子交换将砷同基体铋分离，然后用氢化物发生原子吸收光谱法测定。
No patient suffering from endemic arsenic poisoning was found during the survey in125villages.
在125个村的走访调查中，未发现砷中毒病人。
Processes for recovering tin and removing arsenic from the dust are developed.
寻找到从烟尘中回收锡和脱除砷的工艺。
While arsenic-resisted strain can be filtrated from tame soil, it can provide theoretical basis for the bioremediation technology.
同时从驯化土壤中筛选出抗砷优势菌，为微生物修复技术提供理论依据。
For each child, the researchers measured the concentration of manganese in tap water from their home, as well as iron, copper, lead, zinc, arsenic, magnesium and calcium.
对于每一个孩子，研究者检测了他们家里自来水中锰、铁、铜、铅、锌、砷、镁和钙的含量。
For each child, the researchers measured the concentration of manganese in tap water from their home, as well as iron, copper, lead, zinc, arsenic, magnesium and calcium.
对于每一个孩子，研究者检测了他们家里自来水中锰、铁、铜、铅、锌、砷、镁和钙的含量。
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