详细解释
砷
1、一种三价和五价的非金属元素,旧称“砒”。通常呈金属的铁灰色,结晶形,性脆。砷常小量地被掺入合金(如用于制造子弹的砷-铅合金),其化合物主要用于制造毒剂(如杀虫剂)、药物和玻璃 ——元素符号As。
例句
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.
科学家们还证实了高砷水对甜菜、胡萝卜和小麦的影响。
The scientists have also confirmed the impact of water with high arsenic content on beet, carrot and wheat crops.
这本书论述了对饮用水中的其他化学品的管控，比如砷或蓝藻毒素。
The book addresses the management of other chemicals in drinking-water, such as arsenic or cyanotoxins.
产生的代谢产物是二甲基砷自由基和二甲基砷过氧自由基。
Resulting metabolites are the dimethylarsenic radical and the dimethylarsenic peroxyl radical.
恒河三角洲的地下沉积物中含有砷。
The underground sediment of the Ganges Delta contains arsenic.
该药由砷衍生，有多种不良副作用。
It is derived from arsenic and has many undesirable side effects.
含砷地下水-至少75万。
Arsenic in groundwater (at least 750, 000).
像砷和锑一样，铋也是重金属和重化学元素。
It is very heavy and chemically resembles arsenic and antimony.
这种微生物似乎能将砷吸收到DNA 中。
The microbes seem to have incorporated arsenic into their DNA.
所以必须表面也有水——即使它里面装满了砷。
So there must be surface water too — even if it is loaded with arsenic.
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.
砷破坏了代谢通路，因为在化学性质上它表和磷差不多。
Arsenic disrupts metabolic pathways because chemically it behaves similarly to phosphate.
当研究人员将磷去掉，换成砷，这些微生物仍可以继续生长。
When researchers removed the phosphorus and replaced it with arsenic the microbes continued to grow.
FDA强调这种类型的砷对你及家人是不会造成任何伤害的。
The FDA stresses that this type of arsenic won't do any harm to you or your family.
他知道他不能将砷放到，他不能把砷放到铝的下面。
He knows that he shouldn't put arsenic under - he shouldn't put arsenic under aluminum.
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.
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.
研究人员用了很多复杂的实验技术来确定砷在什么地方被合并的。
A variety of sophisticated laboratory techniques was used to determine where the arsenic was incorporated.
无机砷在单剂量100毫克可以通过减弱能量代谢的进程使人致死。
Inorganic arsenic in a single dose of about 100 milligrams can kill by shutting down energy metabolism.
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.
土壤中的砷或镉被运送到植物细胞并贮存在被称为液泡的小隔间里。
Arsenic or cadmium in soils is transported to plant cells and stored in compartments called vacuoles.
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.
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.
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.