查询词典 pollutants

Another important group of toxic water pollutants are heavy metals.

另外一组重要的有毒的水中污染物是重金属。

Fast growing species such as hornwort or waterweed remove nitrogen-containing pollutants from the moment they are planted.

生长快速的植物，诸如金鱼藻（Ceratophyllum demersum或伊乐藻(Elodea和Egeria)，一经栽种就能清除含氮的污染物。

Objective To explore the potential hazards of organic pollutants in chlorinated drinking water on human reproduction.

目的探讨氯化饮用水有机污染物对人类生殖健康的潜在危害。

The results show that:(1) the overall water quality in the Xiangjiang River had become worse during the 1990s and the main pollutants which caused aggravating pollution were total coliforms, total phosphorus, petroleum and total hydrargyrum ;(2) the main pollution sources were living pollution, which increased evidently in recent years, and industry pollution, of which heavy metal pollution is evident;(3) among the mainstream of the Xiangjiang River , river sections in Zhuzhou, Xiangtan and Changsha suffered from the most serious pollution;(4) it is forecasted that living pollution and agriculture pollution will become more serious in the future.

结果表明：湘江总体水质在20世纪90年代呈恶化趋势，致使污染加剧的主要因子是总大肠菌群、总磷、石油类和总汞；主要污染源为工业污染和生活废水污染，近年来生活废水污染日益突出，工业污染中重金属污染明显；在干流不同河段中，株洲、湘潭和长沙河段污染最为严重；估计未来湘江的生活污染和农业污染还会加剧。

Compared with the year of 2002, the polluted ranges of offshore marine areas, such as the estuaries and loughs expanded to some extent in 2003, with the main pollutants including: petroleum, inorganic nitrogen, activated phosphate, hydrargyrum and so on.

大部分海域海水水质基本良好，符合清洁、较清洁海水水质标准，远海、近海海水水质优于近岸；与2002年相比河口、港湾等近岸海域污染范围有所扩大，主要污染物是石油类、无机氮、活性磷酸盐和汞等。

In terms of environmental hydrodynamics, more and more attention has been attached to pollutants release characteristic from sediment s in estuary area.

在环境水动力学中，河口地区的河流底泥污染物释放扩散特性的研究越来越受到人们的重视。

The mixture, incubated at rather less than body temperature, produced carbon dioxide and hydrogen but no pollutants.

这种混合，在低于体温的环境中发生反应，产生二氧化碳和氢气，但没有污染。

This article submits some suggestions about the effect of the hydrophyte s on wastewater and lake treatment by summaring the hydrophyte s' purging to all kinds of pollutants such as nitrogen,phosphorus,heavy metal and deleterious organic.

随着经济的发展、工农业废水的排放，水体被大量污染。通过水生植物对氮、磷，重金属及有毒有机物等各类污染物的清除作用的了解。对水生植物在废水处理和湖泊治理方面提出了相应的建议。参4

Because of its characteristic of extensive sources,serious toxicities,high-level pollution and long-term duration, formaldehyde is considered to be one of the most common pollutants. And the study of formaldehyde has become a lot and difficult spot of environmental and hygienical fields.

甲醛以其来源广，毒性大，污染水平高，污染时间长等特点，已经成为我国最主要的室内空气污染物之一，也是世界环境卫生领域的热点和难点。

Understanding the range and relationship between indoor organic pollutants and sick building syndrome in Wuhan City, China.PartⅠ. Development of the Small-scale Environmental ChamberThe main purpose of partⅠ is to develop the equipment: small-scale environmental chamber.● The small-scale environmental chamber, which can be used for plywood hygienical evaluation was successfully developed in our laboratory. All of its technical parameters well meet the technical requirements of standard protocol in U.

本项目结合中国预防科学院下达课题"中国六城市室内装饰材料和产品卫生学调查"，着重进行了：小型环境测试舱的研制；建筑装饰材料卫生学品质等级的化学评价方法；建筑装饰材料卫生学品质等级的生物学评价方法，即"控制暴露人体实验"和进行"控制暴露人体实验"的有关设备；室内有机污染物和人群不良建筑物综合征的相关关系现场研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了