查询词典 polluted water

The results showed that Jussiaea stipulacea Ohwi and Eichhornia crassipes had higher values of V and K than Elodea nuttallii, illuminated that the two floating macrophytes were proper for pre-treatment of the seriously polluted water.

结果表明：漂浮植物黄花水龙和凤眼莲具有较大的吸收速率V和K值，因此，它们更适合作为先锋植物对污染严重的富营养化水体进行前期的修复治理，待水体水质提高到一定的程度时，再利用去污能力低的沉水植物进行对修复水体水质的维持和提高，并在此基础上可逐步建立一个较为稳定的、生物多样性的生态系统。

The main causes of the pollution identified result from the irregation of using the polluted water from industries and the endogenic pollution of F and Hg elements is mainly caused by...

造成污染的主要原因是工业三废中的污水长期被利用灌溉，同时查明活动断裂是F、Hg等元素的内生污染源。

Polluted water causes many kinds of diseases such as diarrhea, enteritis, etc.

污染的水引起多种疾病，诸如腹泻，肠炎等。

Along with the extended construction of ecological watercourse, varies of hydrophyte are used to purify polluted water.

随着生态型河道的推广建设，各类水生植物被用于河道水体净化，然而植被的种植改变了原先河道的水体结构，影响了水体的水流特性。

As a means of renovating polluted water, the hydrophyte treatment method has been attached importance to by domestic and foreign academes.

作为污染水体修复的一种手段，水生植物处理法已经引起国内外学术界的重视。

Sometimes the problem was obvious and acknowledged, such as an ill-equipped clinic or a polluted water source.

有时问题很明显而且是众所周知，例如诊所的设备落伍或水源被污染。

Researchers have found that iron filings from factories can be a cheap and efficient way to clean up polluted water.

研究者们发现工厂里的废铁屑能够成为一种处理污水的好方法。

The content of nitrobenzene in polluted water in the north-east of China was determined by HPLC.

采用高效液相色谱法对东北地区某受污染水体中的硝基苯含量进行测定。

All the human activities of overuse of runoff, overdevelopment of hydropower, inappropriate regulation and control of floods and sediment, overmuch discharge of polluted water to the river and the changes of habitat environment of key species would harm the health of a river.

人类过多抽取河川径流和开发水电、不当地调控洪水和泥沙、过多向河流排污和改变关键物种栖息地环境的活动，均会对河流健康造成伤害。

In all instances, the end products of the treatment of polluted water or air or of the disposal of solid wastes must be compatible with the existing environmental resources and must not overtax the assimilative powers of hydrosphere, atmosphere, or lithosphere.

在任何情况下，那些被污染了的水或空气以及那些液态废物的处理后的最终产物，都必须与现存的环境资源互相协调，而且不能过分使用水圈、空气圈和岩石圈的共同能源。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。