查询词典 water pollution

We carry on a processing to the oil extraction waste water, instead in return to affusion, then not only will they satisfy the affusion of water which increase increasingly in the process of the extraction of the oil-field, but also can save the water resources and reduce pollution of the environment, bring an economic performance for the oil-field, its advantageous to the oil-field can keep on a development.

试验后水质明显改善，符合辛一站的水质标准。本论文的实验研究工作在胜利油田辛一站进行，首先分析了辛一站的采油废水的性质，用悬浮污泥过滤法简称SSF和超滤膜过滤法2种方法，分别进行了辛一站采油废水处理试验。

The invention relates to a drinking machine, especially an improved anti-pollution drinking machine for secondary pollution of drinking water.

本发明涉及一种饮水机，尤其是涉及一种对防止饮用水二次污染的防污染饮水机等结构的改良。

Analyses of the water quality variation show that aquiculture is a main source of organic pollution, and the growth of the urban population is the main reason for nutrient pollution.

分析总结了水质污染变化原因，指出衡阳市养殖业的发展成为衡阳段有机污染的重要来源之一，城镇人口增加是营养型污染增加的主要原因。

In contaminated water, the high toxicity element arsenic is one of the contaminants prior to control, thus arsenic pollution in drinking water and how to remove arsenate from water have attracted much attention.

中文摘要：砷是高毒元素，是水体中优先控制的污染物之一，因此饮用水中砷的污染及其去除方法成为环境领域研究的热门话题。

Developed countries, water shortages, such as the United States, New York, New York, most water comes from mountain reservoirs Catskill Mountains With the constant development in the region, pollution threaten the safety of drinking water in New York.

发达国家的的水资源短缺问题，例如美国的纽约，纽约多数水都来自凯特斯克尔山脉的水库。

And a kind of contour map representing pollution degree was obtained, by which it can be known about the pollution situation of whole water area.

并用此方法对太湖水污染情况进行分析，给出了一种污染指数的定义，计算出污染程度等高线，据此等高线图可以从宏观上了解整个水域的污染情况。

In this article, the author analyzed arsenic and selenium for drinking water at Xi'an peripheral locality 11 sampling point and found that the arsenic content in drinking water is lower in south and east of Xi'an. In Hu county area west of Xi'an arsenic content in drin king water is higher than other areas obviously and has achieved 0.047mg/L, approaching the mild pollution standard.

摘 要：通过对西安周边地区11个采样点饮用水中砷含量的调查分析，结果表明西安南部秦岭地区和西安东部的饮用水中砷含量较低，西安西部户县地区砷的含量明显高于其他地区，达到了0.047 mg/L，已基本上接近了轻度污染的标准。

For shallow of the water, any effluence came from outer can fluent the water of lake, the pollution of the water came from sediment will begin.

引入Wc的概念，将污染浓度输移率的表达式进行简化，从而推导出简化后的包含底泥污染的水平二维水质模型。

For the feature of its structure, the toilet is not water closing, has no storage of water, so it can not encrust, it can save the using detergent for cleaning toilet, preventing the pollution of the water resource for the second time.

由于其结构特点，便器内没有水封，不存水，所以不结垢，比原座便器省却了清除结垢的化学洁厕剂，避免了对水源的二次污染。

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。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。