pollution的例句大全

Having been modified, water was slowed down corrosion and scale buildup and reduced treatment cost and environmental pollution. Also, water absorbing condition of injection well was improved and waterflooding producing reserves of oil field were increased.

改性处理后的水不仅提高了水质，减缓了腐蚀和结垢，降低了污水处理成本，减少了对环境的污染，而且还改善了注水井的吸水状况，增加了油田水驱动用储量。

In recent years the frequent food safety, environmental pollution and the ore difficult events such as the social responsibility of the enterprise, make a word from the academic circle rapidly into public view.

近年来频发的食品安全、环境污染和矿难等事件，使企业社会责任一词从学术圈内迅速的进入大众视野。

Pre-warning Analysis on Environmental Pollution in the Process of Phosphate Exploitation

磷矿开发环境污染预警分析

Major disaster caused by accidental loading will not only result in casualties and major economic losses, but also the surrounding coastal environment and marine ecosystem caused by pollution and destruction.

偶然荷载引发的事故不但会造成人员伤亡和重大的经济损失，而且会对近海周边环境和海洋生态造成严重的污染和破坏。

The specific gravity, liquid limit and plastic limit, plasticity index of acid pollution laterite decrease with accrescent acid concentration and extended curing time.

酸污染红土的比重、液塑限与塑性指数随酸浓度的增大和养护时间的延长总体都呈减小的趋势。

Through pot planting experiment, the paper studied ion content of Fe, Mg, Mn, Ni in spinach and romaine lettuce under single and compound pollution of acid rain and drop in duct.

采用盆栽试验，研究了降尘、酸雨单一污染和复合污染对菠菜和生菜中铁、镁、锰、镍含量的影响。

A Study on Effect of Environmental Pollution on Chinese Sturgeon, Acipenser sinensis Gray

环境污染对中华鲟Acipenser sinensis Gray影响的研究

Application of Activated Alumina Adsorption for Emergency Treatment of Water Arsenic Pollution

活性氧化铝吸附在水体砷污染应急处置中的应用

The potential ecological risk index ( RI) and geological acumination index ( Igeo), as the quantitative diagnostic tools, were used to evaluate the pollution degree of various heavy metals in the sediments.

利用潜在生态风险指数（RI）和地质积累指数（Igeo）两种指标相结合的方法对表层底泥中重金属污染程度进行评价。

Origin of urban environment pollution and administrable measure

城市环境污染的根源及治理措施

With the development of salvage at sea, how to encourage the salvor to take the salvage operation positively and reduce the environment pollution has been an emergent problem in the international admiralty law.

随着海难救助制度的发展，如何鼓励救助人积极救助遇难船舶和减少环境污染，已经成为国际海事法中急需解决的问题。

We obtained the relevant relations of pollutant, liquor acidity, ashy density, reaction time, with filtering result, through testing pollution index of the sewage under different experimental conditions.

通过不同试验条件下对污水中污染指标进行检测，分析总结出粉煤灰对不同污染物的过滤效果及其与溶液的酸度、灰的密度、反应时间的相关关系。

Study on the Treatment of Gentamycin and Aureomycin Wastewaters and the Measures for Pollution Control

庆大霉素和金霉素废水的处理试验研究

Bacterial leaching has low cost and little environmental pollution, but low leaching velocity.

细菌浸矿成本低、环境污染小, 但浸出速度慢.

The resources utilization and control of environment pollution are paid much attent ion nowadays.

当前人们最为关注的是资源利用和环境污染两个方面。

Little earth coverage , no pollution , great conveying capacity, suitable for conveying bulk material.

伸长小, 防撕裂, 输送量大,运行平稳、维护方便 、 对块状物料适应性良好.

Because the ashless additives had not second pollution, they became the development trend of soot suppressants and combustion aids.

无灰剂虽然效果不如有灰剂，但不会造成二次污染，是消烟助燃剂的发展方向。

Consequently the objectives of avoiding the generation of virulent arsine, eliminating the secondary arsenic pollution and waste of arsenic resource are resulted by the dregs.

从而有效避免了剧毒物AsH3的产生、含砷废渣造成的二次砷污染、以及砷资源浪费。

Ozone pollution results in crop losses.

臭氧造成农作物减产.

Study of the simulation of locomotive drive harmonic pollution in the electric traction power-supply system adopted the autotransformer mode

自耦变压器供电方式的电牵引供电系统中的机车驱动谐波污染仿真研究