目的：探讨儿童必需元素与毒性元素血铅水平的关系。
Objectivel: Discusses the child essential element and the toxic element blood lead level relations.
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.
当核反应堆的核心融化的时候，相互作用的核燃料会产生许多不同的放射性元素，他们的毒性各不相同。
As nuclear cores melt down, reacting nuclear fuel creates many different radioactive elements, all with different toxic effects.
病毒性更改是开始时很小的更改 —如将保存三个元素的数组更改为一个只包含两个元素的数组。
Viral changes are those that start small — like changing an array that holds three elements to one that contains only two.
目的：探讨雌雄全蝎及不同药用部位的宏量和微量元素含量差异及与药效和毒性的相关性。
Objective: to study the content difference of macro and micro elements in whole and varied medicinal parts of Scorpion and the correlations between curative effects and toxicities.
结论铅的发育神经毒性与中枢神经系统铜等微量元素的改变、抗氧化能力下降及由此所致的细胞凋亡数量增加有关。
Conclusion the toxicity of lead on neuron development might related to the change of trace element concentration, reduction of antioxidation ability and increasing apoptosis in brain.
砷是一种具有毒性的准金属元素。
包装材料中不应含有有毒性的元素、重金属，或含有量应控制在有关标准以下。
Packaging materials should not contain toxic elements, heavy metals, or the amount of content should be controlled in accordance with the relevant standards.
镉是动物和植物的非必需元素，也是毒性最大的重金属之一。
Cadmium is one of the most toxic heavy metals and is not an essential nutrient element for plant, animal and human being.
提示膳食或强化补充因铅暴露而引起缺乏的元素能抑制肠道对铅的吸收，降低铅毒性。
It suggested that supplements of the elements depressed by lead-exposure from dietary and reinforcement might inhibit the absorption of lead via intestinal tract and depress the toxicity of lead.
大气颗粒物中元素的种态研究，对评价其毒性和污染来源等有很重要的意义。
The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.
提示稀土元素钇和镨具有一定的遗传毒性。
It suggests that rare-earth elements yttrium and praseodymium have certain genotoxicity.
砷为机体所必需的微量元素，对机体有多方面的作用机制，同时大剂量情况下对机体将产生毒性作用。
Arsenicum is one of the necessary trace elements in the body, and plays roles in many aspects.
铜中毒是指家畜摄食铜元素过多，或铜在肝脏等组织中大量蓄积，因突然释放进入血液循环所引起的一种重金属中毒性疾病。
Copper poisoning is a kind of metal poisoning disease which caused by animal intake too much copper, or remaining a lot of copper in the liver and quickly into blood circulation.
这些色彩是由矿物质中那些不同元素所组成，而且岩石含有毒性，接触多了对人的健康有害。
Divergent elements of the rocks reflect different colors, what's worse, these rocks are noxious and harmful to people who touch them frequently.
砷是一种具有毒性且分布相当广泛的微量元素之一，并且已被认定为是致癌物质之一。
In the nature, arsenic is one of the wide distribution toxic trace element and carcinogen.
加入稀土元素，大大提高了催化剂的活性、抗毒性与抗烧结性；
Rare earth elements added greatly improves the catalytic activity, anti-toxic and anti-sintering;
AM真菌能够提高植物对营养元素的吸收，促进植物生长，改善植物对干旱及毒性污染的耐受性，增强植物的抗病性等。
AM fungi enhances the uptake by plants of certain nutrients, promotes plant growth, improves plant tolerance to drought and toxicity of pollutants, defends plants against pathogens, and so on.
XA13参与铜元素的重新分配帮助我们提出了细菌毒性的机理。
The involvement of XA13 in copper redistribution has led us to propose a mechanism of bacterial virulence.
分析煤矸石中这些金属元素在环境中的迁移转化途径及其对生物体的毒性效应，对人体健康影响的研究具有重要意义。
Analysizing the way of migration and transform of the metallic elements of the gangue in the environment, its toxic effects to the organism and influence on human health are important significance.
结果表明，正中神经运动纤维传导速度有不同程度的减慢，提示锰元素对外周神经可能具有毒性作用。
The result showed that the nerve mediana was affected. Theperipheral nerve system might be poisonously affected by manganese.
结果表明，正中神经运动纤维传导速度有不同程度的减慢，提示锰元素对外周神经可能具有毒性作用。
The result showed that the nerve mediana was affected. Theperipheral nerve system might be poisonously affected by manganese.
应用推荐