您要查找的是不是：
- The current status of air fluorine pollution,the situation and existing problems of Levying discharge fees were studyed and analysed in the paper. 本文调查分析大气氟污染现状，排污费征收状况及存在问题，根据略高于治理费用原则，测算氟化物超标排污收费单价。
- An investigation was Conducted within a brickkiln and the fruit trees around it in order to understand the fluorine pollution from the brickkiln. 为了探讨砖厂氟污染对周围果树的影响,摸索可行的治理办法,我们对一个砖厂及周围果树开展了调查监测。
- The results showed that the level of fluorine pollution in fruits is related to the distance from fruit trees to the brickkiln and the variety of fruit trees. 结果表明,水果受氟污染的程度与果树距砖厂的距离及果树的种类有关。
- The paper points out the basic properties of F,fluorine pollution formation,the effect of fluorine on body and animal husbandry,and fluorine pollution in industry,and illustrates the treatment process of fume with fluorine and wastewater. 本文叙述了氟的基本性质、氟污染的形成、氟对人体及畜牧业的影响和工业氟污染的概况 ,列举了常见的含氟烟气和废水处理工艺流程 ;
- By using thisprocess,surface quality of stainless steel was stable,andcould also be eliminated NOx and fluorine pollution essen-tially,both economic and environmental benefits were obv-ious. 经本工艺处理的不锈钢,表面质量稳定,从根本上消除了氮氧化物及氟污染,环境效益与经济效益明显。
- Judged by the distribution relationship between the three phases production process combined,spreading way of fluorine pollution analysed,effectine measures to prevent fluorine pollution was provi... 并根据氟的三相分布关系，结合生产工艺，分析了氟污染的传播途径，进而提出了该厂防治氟污染的有效措施。
- This paper stresses on analysis of seriousness of fluorine pollution and problems existing in the horizontal stud pot and proposes an optimal scheme for prevention of fluorine pollution. 着重分析了侧插槽氟污染的严重性及侧插槽存在的问题，提出了防治氟污染的最佳选择方案。
- Fluorine pollution and its effect at Baotou Steel 包钢的氟污染及其影响
- Health effects of fluorine pollution 氟污染对健康的影响
- Keywords brickkiln;fluorine pollution;fruit; 砖厂;氟污染;水果;
- Keywords Fluorine pollution;Sericulture;Eco-agriculture; 氟污染;蚕业;生态农业;
- Studies on the effect of fluorine pollution on the stability of soil colloid 氟污染对土壤胶体稳定性影响的研究
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- The Fluorine Pollution and Control on Fruit Trees Nearby a Brickkiln 砖厂排放的氟对周围果树的污染及防治对策
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- Keywords lichen hanging bag;fluorine pollution;biomonitoring;Usnea longissima; 地衣挂袋;氟污染;生物监测;松萝;
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
