Mercury is one of the most important toxic elements in coal.
煤中的汞是人们最为关注的环境有害元素之一。
Perceived cause: Physical and psychological stress, exposure to toxic elements
可知成因：身心压力，接触有毒元素
The haze contains toxic elements, people breathe it and hurt their bodies.
雾霾中含有有毒的元素，人们呼吸着雾霾，损害着他们的身体。
Our factory's multipurpose detergent without toxic elements can be used to clean kitchens and toilets with good effect.
我厂生产的清洁剂，不含有毒成分，可用于清洗厨房和盥洗室，用途广泛，效果良好。
Packaging materials should not contain toxic elements, heavy metals, or the amount of content should be controlled in accordance with the relevant standards.
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。
And while fluorescent bulbs contain mercury, which requires special disposal, LED bulbs contain no toxic elements, and last so long that disposal is not much of an issue.
而荧光灯含有汞，需要特别处理，LED灯泡不含有毒元素，且其耐久性使得最后的处理问题几可不计。
The Bridgman method single crystal production shop has the problem that toxic elements pollute the air of the shop, and the technical scheme of the invention aims to solve the problem.
坩埚下降法单晶生产车间存在有毒元素污染车间空气问题，本案旨在解决该问题。
As nuclear cores melt down, reacting nuclear fuel creates many different radioactive elements, all with different toxic effects.
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。
Pleotiful toxic trace elements enrich in submicron particles let by coal combustion, whichposed a serious threat on air environment and human health.
燃煤产生的细粒子富集了大量的有毒痕量元素，对大气环境和人类健康造成严重危害。
The content of trace elements in eighteen herbs for clearing away heat and toxic material was detem-ined by atom-absorption spectrometry.
采用原子吸收分光光度法测定了十八种清热解毒中草药中人体必需微量元素含量。
This paper studies an analysis of toxic heavy metal elements in toys by ICP AES.
本文介绍了利用ICP-AES对玩具中有害重金属元素的分析研究。
A systematic study on emissions and control of nitrogen oxide, toxic trace elements and submicrometer particles during coal combustion was conducted.
对煤燃烧过程中氮氧化物的前驱体、有害痕量元素及亚微米颗粒物的排放与控制进行了系统的研究。
Objective To study the protective effect of trace elements on subacute toxic renal damage induced by cadmium.
目的探讨微量元素对亚急性镉中毒肾损伤的保护作用。
An analysis on toxic heavy metal elements in toys by ICP - AES was reported.
介绍了利用ICP - AES对玩具中有害重金属元素的分析研究。
This process not only recovered the toxic cyanide and the valuable metallic elements in the wastewater effectively, but also improved the ratio of resource comprehensive utilization.
该工艺不仅可有效回收剧毒物质氰化物，同时也可选择性回收其中的有价金属铜等，提高资源综合利用率及经济效益。
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.
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。
Rare earth elements added greatly improves the catalytic activity, anti-toxic and anti-sintering;
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;
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；
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